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Don't take him, the class was highly disorganized, the information about the exam was given on the exam day. there is not structure to this class, no explanation. He is just bad. RUN DONT TAKE HIM\",\"course_id\":\"STAT 340\",\"date\":\"2021-05-05 00:08:36 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"720e89db0eca2072fc007e3b\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NzA1NTU1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"Not the worst guy, he seems to be passionate and knowledgeable but he's very scatter-minded and the course is very disorganized. He does ramble a bit too much on topics irrelevant to the class but this class isn't the worst.\",\"course_id\":\"STAT 340\",\"date\":\"2021-05-21 03:41:27 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"263caadde45d9af4a4e03c39\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM0ODM2MzEy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"I'M NEW HERE, ARE YOU BORED OR CONFUSED??? OH SORRY, SHOULD I SAY THE SAME THING BUT LOUDER!?!? Really bad at lecturing, and says the same thing mentioned above over and over and over. \",\"course_id\":\"STAT 340\",\"date\":\"2022-11-11 00:30:14 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"dc957f4d04d644004ff8cdfb\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM2ODE0NzU0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"Exams are weighted heavily. I spent hours on homework, yet they hardly influenced grade. Lectures are dry and equation heavy and he makes you feel dumb. To quote him, \\\"Skipping class is the bestcase scenario. I get to work on research.\\\" Obvious contempt for the field of teaching and complains about his salary and when you don't laugh at his jokes.\",\"course_id\":\"STAT 340\",\"date\":\"2022-12-20 18:19:37 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"894f2f1df2c7ef6cda69bac9\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM3MjAzMzMy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"Bi himself is very caring and understanding. He is very lenient towards late work and is very accommodating to any students who run into issues while taking his course. The one problem with Bi is that there were very few projects and homework-so while you might think it is a good thing, it makes studying for exams and being prepared very difficult.\",\"course_id\":\"STAT 340\",\"date\":\"2022-08-09 20:12:40 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"ef9ee8ef901efcb53cbb3667\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTM2NTc0ODAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"His grade threshold is higher than other sections, having exact same hws and exams. He thinks it's because he's good at teaching. But he simply don't know he's so bad at teaching so that some students go ask other sections about exam questions prior to taking it. His exam is one day later but we all have the exact same exam questions.\",\"course_id\":\"STAT 340\",\"date\":\"2023-12-28 05:29:47 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2e24294e301b6d7b9740633e\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM4ODAzMTE5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"Lectures were nothing special. She doesn't do live coding, and in that regard I liked Bi better (I had him for STAT240). Exams are fair and not too difficult. I attended almost all the lectures, but you definitely wouldn't have to (there are posted recordings and lecture notes).\",\"course_id\":\"STAT 340\",\"date\":\"2024-05-06 16:27:34 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"c542b8a0476e481550d3f358\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTM5Mzc3NjQy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"While he does care about is students and is very accommodating, he struggles to lecture in a way that gets the point across easily and quickly. I found the lectures to be tiresome and we didn't gain much from attending. This course was definitely made harder than it needed to be by the bad lectures, hard tests and test-heavy grading.\",\"course_id\":\"STAT 340\",\"date\":\"2025-01-27 15:45:49 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"98334dea3d6e4498211ba728\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQwNjA3MjQz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"Quite possibly the worst professor I have ever had. Lecture notes are illegible and ridden with typos. She seems to not really know how to teach in general and just assigned a random class. She also seems to make no effort to learn how to use her technology properly and switches between screens so rapidly that I get dizzy. \",\"course_id\":\"STAT 340\",\"date\":\"2025-09-19 20:47:10 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"2e7628fbb0a95e9fe8aed5ee\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQxNjUzNjc4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"Knowledgeable in the material but very poor explanations during lecture. Poor handwriting and subpar explanations of concepts. Also the homework and discussion assignments have basically nothing to do with the exams. \",\"course_id\":\"STAT 340\",\"date\":\"2025-12-12 17:25:55 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"6adfcc44aa9efc244dcb1d2b\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQyMjA4NjA3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"I've never seen a professor as unprepared as Dr. Sahifa. She teaches off Dr. Powers' slides and it feels like it's her first time seeing them. I get dizzy as she keeps scrolling up and down slides, and often hand-writes equations that are already on the slides before realizing they're already there. She often skips past material without realizing.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-15 21:03:49 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"d26592f5978781f451f5d876\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMjY2MTA3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"The exam has no relations to her lecture, slides, and practice exam. She put stuffs that never mentioned in class in the final without explanation. Also her hand writing is awful that you can't review and understand the annotated slides. And the exam environment is awful because she didn't book enough room for all students.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-16 15:05:57 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"18bd207c2699971b94dcf0ed\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMjgzMzk0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"Does not teach anything related to the exams. Has no clue what a rubric is, or how it works. Changes the syllabus for grading as and when she feels like it. Incredibly inefficient when it comes to practicing actual questions or problems related to exams. If possible don't take it with her. Honestly for me the worst professor in the stat department.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-20 07:24:49 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2f349bd8d8a4e489cf209fd0\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMzU4MDcy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"The statistics department is poor quality, and Bi has a good contribution to it. I had a good impression of him, as he is nice. But as time passed, he became rude to students, he deletes piazza comments, and just reads off slides. He offers no help for exam preparation either while the other classes get review guides. Something needs to change. \",\"course_id\":\"STAT 340\",\"date\":\"2026-03-26 07:39:11 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"5329c6bde1d3675c551ab777\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyNzQwOTc4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"No point in wasting your time, she just reads off the slides.\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-13 22:07:40 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"80cc7c64c2c238059233e84a\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODI3NTM0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Lectures are worthless, many of them only took 60% of the allotted time. With tough materials such as present in STAT340, she should really be taking the full amount of time. Lectures were mostly her reading off slides. Little to no in-class examples done. Exams were written in a gotcha manner and did not match lecture difficulty well.\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-15 21:20:30 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"af400bc4a2b738f690f169d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODQ2MDI1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Lecture is just her reading off the slides, she provides no meaningful examples to deepen your understanding of the material, and the homework is absolutely nothing like the exams. She cannot convey the material clearly and in a manner that makes it easier to understand. SAVE YOUR GPA AND AVOID HER CLASSES. Don't make the same mistake I made. \",\"course_id\":\"STAT 340\",\"date\":\"2026-04-16 18:27:55 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"3e1998c064d2526357e261a8\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODUzMzMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Bad teaching style. \",\"course_id\":\"STAT 340\",\"date\":\"2026-04-17 07:25:19 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"3e3acba7ad5cd3845f3ba360\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODU4NDEx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"zhe jie ke zen me zhe me nan\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-24 01:32:26 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"e3faf7e08797242928118106\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyOTIwMjU0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Comparing her slides to the other professor's just showed me how much difficulty she added to the class because of her teaching style. The entire time, she would just be reading massive blocks of R code or reading formulas instead of saying anything useful or informative. She is a very nice woman, but I would definitely avoid her class.\",\"course_id\":\"STAT 340\",\"date\":\"2026-05-08 01:49:38 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"1bb01f79e11a9722089969d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMDY2OTgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Very difficult tests compared to others. Extremely rude during testing or general conversation if he thinks a mistake has been made. Does not want to believe the student if he has thought of something to be true. Does not give any chance, super strict with everything, so be careful and don't even think of making a mistake by mistake\",\"course_id\":\"STAT 340\",\"date\":\"2026-08-07 21:11:09 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"b787228b81c1f58938903f35\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMzUzMTUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"}],\"evidence_count\":21,\"review_ids\":[\"720e89db0eca2072fc007e3b\",\"263caadde45d9af4a4e03c39\",\"dc957f4d04d644004ff8cdfb\",\"894f2f1df2c7ef6cda69bac9\",\"ef9ee8ef901efcb53cbb3667\",\"2e24294e301b6d7b9740633e\",\"c542b8a0476e481550d3f358\",\"98334dea3d6e4498211ba728\",\"2e7628fbb0a95e9fe8aed5ee\",\"6adfcc44aa9efc244dcb1d2b\",\"d26592f5978781f451f5d876\",\"18bd207c2699971b94dcf0ed\",\"2f349bd8d8a4e489cf209fd0\",\"5329c6bde1d3675c551ab777\",\"80cc7c64c2c238059233e84a\",\"af400bc4a2b738f690f169d1\",\"3e1998c064d2526357e261a8\",\"3e3acba7ad5cd3845f3ba360\",\"e3faf7e08797242928118106\",\"1bb01f79e11a9722089969d1\",\"b787228b81c1f58938903f35\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1801396\",\"name\":\"Karl Rohe\"},{\"id\":\"rmp:2726941\",\"name\":\"Keith Levin\"},{\"id\":\"rmp:2772143\",\"name\":\"Bi Cheng Wu\"},{\"id\":\"rmp:2835672\",\"name\":\"Brian Powers\"},{\"id\":\"rmp:3010926\",\"name\":\"Yongyi Guo\"},{\"id\":\"rmp:3089686\",\"name\":\"Sahifa Siddiqua\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2021\"},\"sentiment\":\"negative\",\"summary\":\"Students report poor clarity, disorganized lectures, and instructors reading from slides without meaningful examples.\"},{\"aspect\":\"assessment\",\"evidence\":[{\"comment\":\"Karl was a nice guy, but his lectures were quite boring. The midterm was based off of the homework, but I wish that we were given a few practice problems. The group project is pretty important for your grade, so make sure you do well on that. Overall, this was the first time that this class was taught so I'd say he did a pretty decent job with it.\",\"course_id\":\"STAT 340\",\"date\":\"2020-05-18 19:29:09 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"421022dd8603746b39a695cd\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTMzMzI1MzAy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"I feel very unhappy taking his class. He gave harsh comment on homework. I know I did wrong, and I totally accept comment like "completely wrong". But please could you provide any helpful explanations? Receiving zero for a problem and only getting a comment of "completely wrong" is just meaningless.\",\"course_id\":\"STAT 340\",\"date\":\"2021-12-19 22:47:10 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"786c72b8f877fb7ac1dbe4f9\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM1NjAwMDAx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"Bi himself is very caring and understanding. He is very lenient towards late work and is very accommodating to any students who run into issues while taking his course. The one problem with Bi is that there were very few projects and homework-so while you might think it is a good thing, it makes studying for exams and being prepared very difficult.\",\"course_id\":\"STAT 340\",\"date\":\"2022-08-09 20:12:40 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"ef9ee8ef901efcb53cbb3667\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTM2NTc0ODAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"While he clearly cares about his students, I don't feel like this tests (midterm and final, cumulatively worth 60% of the grade) reflected the course material we learned. Additionally, doing the homework and discussion assignments only gave a very, very loose understanding of the course material. Not sure if this is a problem with Powers or Stat340\",\"course_id\":\"STAT 340\",\"date\":\"2023-12-21 17:46:44 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"2946ae26431cf1e4623fb670\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTM4NzY3NjE3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"His grade threshold is higher than other sections, having exact same hws and exams. He thinks it's because he's good at teaching. But he simply don't know he's so bad at teaching so that some students go ask other sections about exam questions prior to taking it. His exam is one day later but we all have the exact same exam questions.\",\"course_id\":\"STAT 340\",\"date\":\"2023-12-28 05:29:47 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2e24294e301b6d7b9740633e\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM4ODAzMTE5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"Worst class I have taken in college. It is a complete mess. We do all of our assignments in R and then take the hardest exam known to man on paper -- we got 50 minutes to do it which was no where near the amount of time we should have been given to complete that monstrosity. Given the amount paid in tuition here, this course needs a re-evaluation. \",\"course_id\":\"STAT 340\",\"date\":\"2025-05-03 16:49:48 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2caf4d243c730a0514f9cd4c\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQxMTQ0Njk5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"The exam has no relations to her lecture, slides, and practice exam. She put stuffs that never mentioned in class in the final without explanation. Also her hand writing is awful that you can't review and understand the annotated slides. And the exam environment is awful because she didn't book enough room for all students.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-16 15:05:57 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"18bd207c2699971b94dcf0ed\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMjgzMzk0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"Does not teach anything related to the exams. Has no clue what a rubric is, or how it works. Changes the syllabus for grading as and when she feels like it. Incredibly inefficient when it comes to practicing actual questions or problems related to exams. If possible don't take it with her. Honestly for me the worst professor in the stat department.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-20 07:24:49 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2f349bd8d8a4e489cf209fd0\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMzU4MDcy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"tests so hard bro. not even like the midterms. that curve be super high. he a nice jolly chill guy tho always smiling. js the tests bro sheesh.\",\"course_id\":\"STAT 340\",\"date\":\"2026-03-24 15:18:24 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"a8dbeaf1f1411eb39b0a49fd\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTQyNzMwOTMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"The statistics department is poor quality, and Bi has a good contribution to it. I had a good impression of him, as he is nice. But as time passed, he became rude to students, he deletes piazza comments, and just reads off slides. He offers no help for exam preparation either while the other classes get review guides. Something needs to change. \",\"course_id\":\"STAT 340\",\"date\":\"2026-03-26 07:39:11 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"5329c6bde1d3675c551ab777\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyNzQwOTc4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"Lectures are worthless, many of them only took 60% of the allotted time. With tough materials such as present in STAT340, she should really be taking the full amount of time. Lectures were mostly her reading off slides. Little to no in-class examples done. Exams were written in a gotcha manner and did not match lecture difficulty well.\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-15 21:20:30 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"af400bc4a2b738f690f169d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODQ2MDI1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Lecture is just her reading off the slides, she provides no meaningful examples to deepen your understanding of the material, and the homework is absolutely nothing like the exams. She cannot convey the material clearly and in a manner that makes it easier to understand. SAVE YOUR GPA AND AVOID HER CLASSES. Don't make the same mistake I made. \",\"course_id\":\"STAT 340\",\"date\":\"2026-04-16 18:27:55 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"3e1998c064d2526357e261a8\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODUzMzMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Very difficult tests compared to others. Extremely rude during testing or general conversation if he thinks a mistake has been made. Does not want to believe the student if he has thought of something to be true. Does not give any chance, super strict with everything, so be careful and don't even think of making a mistake by mistake\",\"course_id\":\"STAT 340\",\"date\":\"2026-08-07 21:11:09 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"b787228b81c1f58938903f35\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMzUzMTUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"}],\"evidence_count\":13,\"review_ids\":[\"421022dd8603746b39a695cd\",\"786c72b8f877fb7ac1dbe4f9\",\"ef9ee8ef901efcb53cbb3667\",\"2946ae26431cf1e4623fb670\",\"2e24294e301b6d7b9740633e\",\"2caf4d243c730a0514f9cd4c\",\"18bd207c2699971b94dcf0ed\",\"2f349bd8d8a4e489cf209fd0\",\"a8dbeaf1f1411eb39b0a49fd\",\"5329c6bde1d3675c551ab777\",\"af400bc4a2b738f690f169d1\",\"3e1998c064d2526357e261a8\",\"b787228b81c1f58938903f35\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1801396\",\"name\":\"Karl Rohe\"},{\"id\":\"rmp:2726941\",\"name\":\"Keith Levin\"},{\"id\":\"rmp:2772143\",\"name\":\"Bi Cheng Wu\"},{\"id\":\"rmp:2835672\",\"name\":\"Brian Powers\"},{\"id\":\"rmp:3010926\",\"name\":\"Yongyi Guo\"},{\"id\":\"rmp:3089686\",\"name\":\"Sahifa Siddiqua\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2020\"},\"sentiment\":\"negative\",\"summary\":\"Assessments are extremely difficult, have high curves, and bear little relation to homework or lectures.\"},{\"aspect\":\"organization\",\"evidence\":[{\"comment\":\"HE IS BAD! Don't take him, the class was highly disorganized, the information about the exam was given on the exam day. there is not structure to this class, no explanation. He is just bad. RUN DONT TAKE HIM\",\"course_id\":\"STAT 340\",\"date\":\"2021-05-05 00:08:36 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"720e89db0eca2072fc007e3b\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NzA1NTU1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"Not the worst guy, he seems to be passionate and knowledgeable but he's very scatter-minded and the course is very disorganized. He does ramble a bit too much on topics irrelevant to the class but this class isn't the worst.\",\"course_id\":\"STAT 340\",\"date\":\"2021-05-21 03:41:27 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"263caadde45d9af4a4e03c39\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM0ODM2MzEy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"Worst class I have taken in college. It is a complete mess. We do all of our assignments in R and then take the hardest exam known to man on paper -- we got 50 minutes to do it which was no where near the amount of time we should have been given to complete that monstrosity. Given the amount paid in tuition here, this course needs a re-evaluation. \",\"course_id\":\"STAT 340\",\"date\":\"2025-05-03 16:49:48 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2caf4d243c730a0514f9cd4c\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQxMTQ0Njk5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"I've never seen a professor as unprepared as Dr. Sahifa. She teaches off Dr. Powers' slides and it feels like it's her first time seeing them. I get dizzy as she keeps scrolling up and down slides, and often hand-writes equations that are already on the slides before realizing they're already there. She often skips past material without realizing.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-15 21:03:49 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"d26592f5978781f451f5d876\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMjY2MTA3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"The statistics department is poor quality, and Bi has a good contribution to it. I had a good impression of him, as he is nice. But as time passed, he became rude to students, he deletes piazza comments, and just reads off slides. He offers no help for exam preparation either while the other classes get review guides. Something needs to change. \",\"course_id\":\"STAT 340\",\"date\":\"2026-03-26 07:39:11 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"5329c6bde1d3675c551ab777\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyNzQwOTc4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"Lectures are worthless, many of them only took 60% of the allotted time. With tough materials such as present in STAT340, she should really be taking the full amount of time. Lectures were mostly her reading off slides. Little to no in-class examples done. Exams were written in a gotcha manner and did not match lecture difficulty well.\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-15 21:20:30 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"af400bc4a2b738f690f169d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODQ2MDI1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Lecture is just her reading off the slides, she provides no meaningful examples to deepen your understanding of the material, and the homework is absolutely nothing like the exams. She cannot convey the material clearly and in a manner that makes it easier to understand. SAVE YOUR GPA AND AVOID HER CLASSES. Don't make the same mistake I made. \",\"course_id\":\"STAT 340\",\"date\":\"2026-04-16 18:27:55 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"3e1998c064d2526357e261a8\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODUzMzMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Comparing her slides to the other professor's just showed me how much difficulty she added to the class because of her teaching style. The entire time, she would just be reading massive blocks of R code or reading formulas instead of saying anything useful or informative. She is a very nice woman, but I would definitely avoid her class.\",\"course_id\":\"STAT 340\",\"date\":\"2026-05-08 01:49:38 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"1bb01f79e11a9722089969d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMDY2OTgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"}],\"evidence_count\":8,\"review_ids\":[\"720e89db0eca2072fc007e3b\",\"263caadde45d9af4a4e03c39\",\"2caf4d243c730a0514f9cd4c\",\"d26592f5978781f451f5d876\",\"5329c6bde1d3675c551ab777\",\"af400bc4a2b738f690f169d1\",\"3e1998c064d2526357e261a8\",\"1bb01f79e11a9722089969d1\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1801396\",\"name\":\"Karl Rohe\"},{\"id\":\"rmp:2772143\",\"name\":\"Bi Cheng Wu\"},{\"id\":\"rmp:2835672\",\"name\":\"Brian Powers\"},{\"id\":\"rmp:3010926\",\"name\":\"Yongyi Guo\"},{\"id\":\"rmp:3089686\",\"name\":\"Sahifa Siddiqua\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2021\"},\"sentiment\":\"negative\",\"summary\":\"The course is highly disorganized with no clear structure. Instructors are often unprepared or skip material.\"},{\"aspect\":\"workload\",\"evidence\":[{\"comment\":\"I feel very unhappy taking his class. He gave harsh comment on homework. I know I did wrong, and I totally accept comment like "completely wrong". But please could you provide any helpful explanations? Receiving zero for a problem and only getting a comment of "completely wrong" is just meaningless.\",\"course_id\":\"STAT 340\",\"date\":\"2021-12-19 22:47:10 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"786c72b8f877fb7ac1dbe4f9\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM1NjAwMDAx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"Bi himself is very caring and understanding. He is very lenient towards late work and is very accommodating to any students who run into issues while taking his course. The one problem with Bi is that there were very few projects and homework-so while you might think it is a good thing, it makes studying for exams and being prepared very difficult.\",\"course_id\":\"STAT 340\",\"date\":\"2022-08-09 20:12:40 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"ef9ee8ef901efcb53cbb3667\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTM2NTc0ODAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"Worst class I have taken in college. It is a complete mess. We do all of our assignments in R and then take the hardest exam known to man on paper -- we got 50 minutes to do it which was no where near the amount of time we should have been given to complete that monstrosity. Given the amount paid in tuition here, this course needs a re-evaluation. \",\"course_id\":\"STAT 340\",\"date\":\"2025-05-03 16:49:48 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2caf4d243c730a0514f9cd4c\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQxMTQ0Njk5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"tests so hard bro. not even like the midterms. that curve be super high. he a nice jolly chill guy tho always smiling. js the tests bro sheesh.\",\"course_id\":\"STAT 340\",\"date\":\"2026-03-24 15:18:24 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"a8dbeaf1f1411eb39b0a49fd\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTQyNzMwOTMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"Very difficult tests compared to others. Extremely rude during testing or general conversation if he thinks a mistake has been made. Does not want to believe the student if he has thought of something to be true. Does not give any chance, super strict with everything, so be careful and don't even think of making a mistake by mistake\",\"course_id\":\"STAT 340\",\"date\":\"2026-08-07 21:11:09 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"b787228b81c1f58938903f35\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMzUzMTUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"}],\"evidence_count\":5,\"review_ids\":[\"786c72b8f877fb7ac1dbe4f9\",\"ef9ee8ef901efcb53cbb3667\",\"2caf4d243c730a0514f9cd4c\",\"a8dbeaf1f1411eb39b0a49fd\",\"b787228b81c1f58938903f35\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2726941\",\"name\":\"Keith Levin\"},{\"id\":\"rmp:2772143\",\"name\":\"Bi Cheng Wu\"},{\"id\":\"rmp:2835672\",\"name\":\"Brian Powers\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2021\"},\"sentiment\":\"negative\",\"summary\":\"Students spend hours on homework with little grade impact. Exams are extremely difficult with insufficient time.\"},{\"aspect\":\"projects\",\"evidence\":[{\"comment\":\"Karl was a nice guy, but his lectures were quite boring. The midterm was based off of the homework, but I wish that we were given a few practice problems. The group project is pretty important for your grade, so make sure you do well on that. Overall, this was the first time that this class was taught so I'd say he did a pretty decent job with it.\",\"course_id\":\"STAT 340\",\"date\":\"2020-05-18 19:29:09 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"421022dd8603746b39a695cd\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTMzMzI1MzAy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"Bi himself is very caring and understanding. He is very lenient towards late work and is very accommodating to any students who run into issues while taking his course. The one problem with Bi is that there were very few projects and homework-so while you might think it is a good thing, it makes studying for exams and being prepared very difficult.\",\"course_id\":\"STAT 340\",\"date\":\"2022-08-09 20:12:40 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"ef9ee8ef901efcb53cbb3667\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTM2NTc0ODAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"}],\"evidence_count\":2,\"review_ids\":[\"421022dd8603746b39a695cd\",\"ef9ee8ef901efcb53cbb3667\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1801396\",\"name\":\"Karl Rohe\"},{\"id\":\"rmp:2772143\",\"name\":\"Bi Cheng Wu\"}],\"review_year_end\":\"2022\",\"review_year_start\":\"2020\"},\"sentiment\":\"mixed\",\"summary\":\"Some note group projects are important, while others complain about a lack of projects and homework.\"},{\"aspect\":\"overall\",\"evidence\":[{\"comment\":\"HE IS BAD! Don't take him, the class was highly disorganized, the information about the exam was given on the exam day. there is not structure to this class, no explanation. He is just bad. RUN DONT TAKE HIM\",\"course_id\":\"STAT 340\",\"date\":\"2021-05-05 00:08:36 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"720e89db0eca2072fc007e3b\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NzA1NTU1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"He is rude and unreachable. I had questions from my exam. So, I went to his office hour, waited for half hour just for a short explanation. He told me there are so many people waiting outside for more important questions, started to yell at me, and looked at me with impatience. I left the office hour without asking the other more important question\",\"course_id\":\"STAT 340\",\"date\":\"2021-11-11 05:39:53 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"bfa36301f40fad76505e95eb\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM1MjI0MTkx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"I feel very unhappy taking his class. He gave harsh comment on homework. I know I did wrong, and I totally accept comment like "completely wrong". But please could you provide any helpful explanations? Receiving zero for a problem and only getting a comment of "completely wrong" is just meaningless.\",\"course_id\":\"STAT 340\",\"date\":\"2021-12-19 22:47:10 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"786c72b8f877fb7ac1dbe4f9\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM1NjAwMDAx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"I'M NEW HERE, ARE YOU BORED OR CONFUSED??? OH SORRY, SHOULD I SAY THE SAME THING BUT LOUDER!?!? Really bad at lecturing, and says the same thing mentioned above over and over and over. \",\"course_id\":\"STAT 340\",\"date\":\"2022-11-11 00:30:14 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"dc957f4d04d644004ff8cdfb\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM2ODE0NzU0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"Exams are weighted heavily. I spent hours on homework, yet they hardly influenced grade. Lectures are dry and equation heavy and he makes you feel dumb. To quote him, \\\"Skipping class is the bestcase scenario. I get to work on research.\\\" Obvious contempt for the field of teaching and complains about his salary and when you don't laugh at his jokes.\",\"course_id\":\"STAT 340\",\"date\":\"2022-12-20 18:19:37 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"894f2f1df2c7ef6cda69bac9\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM3MjAzMzMy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"His grade threshold is higher than other sections, having exact same hws and exams. He thinks it's because he's good at teaching. But he simply don't know he's so bad at teaching so that some students go ask other sections about exam questions prior to taking it. His exam is one day later but we all have the exact same exam questions.\",\"course_id\":\"STAT 340\",\"date\":\"2023-12-28 05:29:47 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2e24294e301b6d7b9740633e\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM4ODAzMTE5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"Worst class I have taken in college. It is a complete mess. We do all of our assignments in R and then take the hardest exam known to man on paper -- we got 50 minutes to do it which was no where near the amount of time we should have been given to complete that monstrosity. Given the amount paid in tuition here, this course needs a re-evaluation. \",\"course_id\":\"STAT 340\",\"date\":\"2025-05-03 16:49:48 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2caf4d243c730a0514f9cd4c\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQxMTQ0Njk5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"Quite possibly the worst professor I have ever had. Lecture notes are illegible and ridden with typos. She seems to not really know how to teach in general and just assigned a random class. She also seems to make no effort to learn how to use her technology properly and switches between screens so rapidly that I get dizzy. \",\"course_id\":\"STAT 340\",\"date\":\"2025-09-19 20:47:10 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"2e7628fbb0a95e9fe8aed5ee\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQxNjUzNjc4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"Knowledgeable in the material but very poor explanations during lecture. Poor handwriting and subpar explanations of concepts. Also the homework and discussion assignments have basically nothing to do with the exams. \",\"course_id\":\"STAT 340\",\"date\":\"2025-12-12 17:25:55 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"6adfcc44aa9efc244dcb1d2b\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQyMjA4NjA3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"I've never seen a professor as unprepared as Dr. Sahifa. She teaches off Dr. Powers' slides and it feels like it's her first time seeing them. I get dizzy as she keeps scrolling up and down slides, and often hand-writes equations that are already on the slides before realizing they're already there. She often skips past material without realizing.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-15 21:03:49 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"d26592f5978781f451f5d876\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMjY2MTA3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"The exam has no relations to her lecture, slides, and practice exam. She put stuffs that never mentioned in class in the final without explanation. Also her hand writing is awful that you can't review and understand the annotated slides. And the exam environment is awful because she didn't book enough room for all students.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-16 15:05:57 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"18bd207c2699971b94dcf0ed\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMjgzMzk0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"Does not teach anything related to the exams. Has no clue what a rubric is, or how it works. Changes the syllabus for grading as and when she feels like it. Incredibly inefficient when it comes to practicing actual questions or problems related to exams. If possible don't take it with her. Honestly for me the worst professor in the stat department.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-20 07:24:49 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2f349bd8d8a4e489cf209fd0\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMzU4MDcy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"The statistics department is poor quality, and Bi has a good contribution to it. I had a good impression of him, as he is nice. But as time passed, he became rude to students, he deletes piazza comments, and just reads off slides. He offers no help for exam preparation either while the other classes get review guides. Something needs to change. \",\"course_id\":\"STAT 340\",\"date\":\"2026-03-26 07:39:11 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"5329c6bde1d3675c551ab777\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyNzQwOTc4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"No point in wasting your time, she just reads off the slides.\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-13 22:07:40 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"80cc7c64c2c238059233e84a\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODI3NTM0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Lectures are worthless, many of them only took 60% of the allotted time. With tough materials such as present in STAT340, she should really be taking the full amount of time. Lectures were mostly her reading off slides. Little to no in-class examples done. Exams were written in a gotcha manner and did not match lecture difficulty well.\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-15 21:20:30 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"af400bc4a2b738f690f169d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODQ2MDI1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Lecture is just her reading off the slides, she provides no meaningful examples to deepen your understanding of the material, and the homework is absolutely nothing like the exams. She cannot convey the material clearly and in a manner that makes it easier to understand. SAVE YOUR GPA AND AVOID HER CLASSES. Don't make the same mistake I made. \",\"course_id\":\"STAT 340\",\"date\":\"2026-04-16 18:27:55 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"3e1998c064d2526357e261a8\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODUzMzMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Bad teaching style. \",\"course_id\":\"STAT 340\",\"date\":\"2026-04-17 07:25:19 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"3e3acba7ad5cd3845f3ba360\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODU4NDEx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"zhe jie ke zen me zhe me nan\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-24 01:32:26 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"e3faf7e08797242928118106\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyOTIwMjU0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Comparing her slides to the other professor's just showed me how much difficulty she added to the class because of her teaching style. The entire time, she would just be reading massive blocks of R code or reading formulas instead of saying anything useful or informative. She is a very nice woman, but I would definitely avoid her class.\",\"course_id\":\"STAT 340\",\"date\":\"2026-05-08 01:49:38 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"1bb01f79e11a9722089969d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMDY2OTgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Very difficult tests compared to others. Extremely rude during testing or general conversation if he thinks a mistake has been made. Does not want to believe the student if he has thought of something to be true. 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Don't take him, the class was highly disorganized, the information about the exam was given on the exam day. there is not structure to this class, no explanation. He is just bad. RUN DONT TAKE HIM\",\"course_id\":\"STAT 340\",\"date\":\"2021-05-05 00:08:36 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"720e89db0eca2072fc007e3b\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NzA1NTU1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"Not the worst guy, he seems to be passionate and knowledgeable but he's very scatter-minded and the course is very disorganized. 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Really bad at lecturing, and says the same thing mentioned above over and over and over. \",\"course_id\":\"STAT 340\",\"date\":\"2022-11-11 00:30:14 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"dc957f4d04d644004ff8cdfb\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM2ODE0NzU0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"Exams are weighted heavily. I spent hours on homework, yet they hardly influenced grade. Lectures are dry and equation heavy and he makes you feel dumb. To quote him, \\\"Skipping class is the bestcase scenario. I get to work on research.\\\" Obvious contempt for the field of teaching and complains about his salary and when you don't laugh at his jokes.\",\"course_id\":\"STAT 340\",\"date\":\"2022-12-20 18:19:37 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"894f2f1df2c7ef6cda69bac9\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM3MjAzMzMy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"Bi himself is very caring and understanding. He is very lenient towards late work and is very accommodating to any students who run into issues while taking his course. 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She also seems to make no effort to learn how to use her technology properly and switches between screens so rapidly that I get dizzy. \",\"course_id\":\"STAT 340\",\"date\":\"2025-09-19 20:47:10 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"2e7628fbb0a95e9fe8aed5ee\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQxNjUzNjc4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"Knowledgeable in the material but very poor explanations during lecture. Poor handwriting and subpar explanations of concepts. 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She often skips past material without realizing.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-15 21:03:49 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"d26592f5978781f451f5d876\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMjY2MTA3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"The exam has no relations to her lecture, slides, and practice exam. She put stuffs that never mentioned in class in the final without explanation. Also her hand writing is awful that you can't review and understand the annotated slides. And the exam environment is awful because she didn't book enough room for all students.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-16 15:05:57 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"18bd207c2699971b94dcf0ed\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMjgzMzk0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"Does not teach anything related to the exams. Has no clue what a rubric is, or how it works. Changes the syllabus for grading as and when she feels like it. Incredibly inefficient when it comes to practicing actual questions or problems related to exams. If possible don't take it with her. Honestly for me the worst professor in the stat department.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-20 07:24:49 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2f349bd8d8a4e489cf209fd0\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMzU4MDcy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"The statistics department is poor quality, and Bi has a good contribution to it. I had a good impression of him, as he is nice. But as time passed, he became rude to students, he deletes piazza comments, and just reads off slides. He offers no help for exam preparation either while the other classes get review guides. Something needs to change. \",\"course_id\":\"STAT 340\",\"date\":\"2026-03-26 07:39:11 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"5329c6bde1d3675c551ab777\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyNzQwOTc4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"No point in wasting your time, she just reads off the slides.\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-13 22:07:40 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"80cc7c64c2c238059233e84a\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODI3NTM0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Lectures are worthless, many of them only took 60% of the allotted time. With tough materials such as present in STAT340, she should really be taking the full amount of time. Lectures were mostly her reading off slides. Little to no in-class examples done. Exams were written in a gotcha manner and did not match lecture difficulty well.\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-15 21:20:30 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"af400bc4a2b738f690f169d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODQ2MDI1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Lecture is just her reading off the slides, she provides no meaningful examples to deepen your understanding of the material, and the homework is absolutely nothing like the exams. She cannot convey the material clearly and in a manner that makes it easier to understand. SAVE YOUR GPA AND AVOID HER CLASSES. Don't make the same mistake I made. \",\"course_id\":\"STAT 340\",\"date\":\"2026-04-16 18:27:55 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"3e1998c064d2526357e261a8\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODUzMzMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Bad teaching style. \",\"course_id\":\"STAT 340\",\"date\":\"2026-04-17 07:25:19 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"3e3acba7ad5cd3845f3ba360\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODU4NDEx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"zhe jie ke zen me zhe me nan\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-24 01:32:26 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"e3faf7e08797242928118106\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyOTIwMjU0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Comparing her slides to the other professor's just showed me how much difficulty she added to the class because of her teaching style. The entire time, she would just be reading massive blocks of R code or reading formulas instead of saying anything useful or informative. She is a very nice woman, but I would definitely avoid her class.\",\"course_id\":\"STAT 340\",\"date\":\"2026-05-08 01:49:38 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"1bb01f79e11a9722089969d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMDY2OTgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Very difficult tests compared to others. Extremely rude during testing or general conversation if he thinks a mistake has been made. Does not want to believe the student if he has thought of something to be true. Does not give any chance, super strict with everything, so be careful and don't even think of making a mistake by mistake\",\"course_id\":\"STAT 340\",\"date\":\"2026-08-07 21:11:09 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"b787228b81c1f58938903f35\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMzUzMTUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"}],\"evidence_count\":21,\"review_ids\":[\"720e89db0eca2072fc007e3b\",\"263caadde45d9af4a4e03c39\",\"dc957f4d04d644004ff8cdfb\",\"894f2f1df2c7ef6cda69bac9\",\"ef9ee8ef901efcb53cbb3667\",\"2e24294e301b6d7b9740633e\",\"c542b8a0476e481550d3f358\",\"98334dea3d6e4498211ba728\",\"2e7628fbb0a95e9fe8aed5ee\",\"6adfcc44aa9efc244dcb1d2b\",\"d26592f5978781f451f5d876\",\"18bd207c2699971b94dcf0ed\",\"2f349bd8d8a4e489cf209fd0\",\"5329c6bde1d3675c551ab777\",\"80cc7c64c2c238059233e84a\",\"af400bc4a2b738f690f169d1\",\"3e1998c064d2526357e261a8\",\"3e3acba7ad5cd3845f3ba360\",\"e3faf7e08797242928118106\",\"1bb01f79e11a9722089969d1\",\"b787228b81c1f58938903f35\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1801396\",\"name\":\"Karl Rohe\"},{\"id\":\"rmp:2726941\",\"name\":\"Keith Levin\"},{\"id\":\"rmp:2772143\",\"name\":\"Bi Cheng Wu\"},{\"id\":\"rmp:2835672\",\"name\":\"Brian Powers\"},{\"id\":\"rmp:3010926\",\"name\":\"Yongyi Guo\"},{\"id\":\"rmp:3089686\",\"name\":\"Sahifa Siddiqua\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2021\"},\"sentiment\":\"negative\",\"summary\":\"Students report poor clarity, disorganized lectures, and instructors reading from slides without meaningful examples.\"},{\"aspect\":\"assessment\",\"evidence\":[{\"comment\":\"Karl was a nice guy, but his lectures were quite boring. The midterm was based off of the homework, but I wish that we were given a few practice problems. The group project is pretty important for your grade, so make sure you do well on that. Overall, this was the first time that this class was taught so I'd say he did a pretty decent job with it.\",\"course_id\":\"STAT 340\",\"date\":\"2020-05-18 19:29:09 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"421022dd8603746b39a695cd\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTMzMzI1MzAy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"I feel very unhappy taking his class. He gave harsh comment on homework. I know I did wrong, and I totally accept comment like "completely wrong". But please could you provide any helpful explanations? Receiving zero for a problem and only getting a comment of "completely wrong" is just meaningless.\",\"course_id\":\"STAT 340\",\"date\":\"2021-12-19 22:47:10 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"786c72b8f877fb7ac1dbe4f9\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM1NjAwMDAx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"Bi himself is very caring and understanding. He is very lenient towards late work and is very accommodating to any students who run into issues while taking his course. The one problem with Bi is that there were very few projects and homework-so while you might think it is a good thing, it makes studying for exams and being prepared very difficult.\",\"course_id\":\"STAT 340\",\"date\":\"2022-08-09 20:12:40 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"ef9ee8ef901efcb53cbb3667\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTM2NTc0ODAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"While he clearly cares about his students, I don't feel like this tests (midterm and final, cumulatively worth 60% of the grade) reflected the course material we learned. Additionally, doing the homework and discussion assignments only gave a very, very loose understanding of the course material. Not sure if this is a problem with Powers or Stat340\",\"course_id\":\"STAT 340\",\"date\":\"2023-12-21 17:46:44 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"2946ae26431cf1e4623fb670\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTM4NzY3NjE3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"His grade threshold is higher than other sections, having exact same hws and exams. He thinks it's because he's good at teaching. But he simply don't know he's so bad at teaching so that some students go ask other sections about exam questions prior to taking it. His exam is one day later but we all have the exact same exam questions.\",\"course_id\":\"STAT 340\",\"date\":\"2023-12-28 05:29:47 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2e24294e301b6d7b9740633e\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM4ODAzMTE5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"Worst class I have taken in college. It is a complete mess. We do all of our assignments in R and then take the hardest exam known to man on paper -- we got 50 minutes to do it which was no where near the amount of time we should have been given to complete that monstrosity. Given the amount paid in tuition here, this course needs a re-evaluation. \",\"course_id\":\"STAT 340\",\"date\":\"2025-05-03 16:49:48 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2caf4d243c730a0514f9cd4c\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQxMTQ0Njk5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"The exam has no relations to her lecture, slides, and practice exam. She put stuffs that never mentioned in class in the final without explanation. Also her hand writing is awful that you can't review and understand the annotated slides. And the exam environment is awful because she didn't book enough room for all students.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-16 15:05:57 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"18bd207c2699971b94dcf0ed\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMjgzMzk0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"Does not teach anything related to the exams. Has no clue what a rubric is, or how it works. Changes the syllabus for grading as and when she feels like it. Incredibly inefficient when it comes to practicing actual questions or problems related to exams. If possible don't take it with her. Honestly for me the worst professor in the stat department.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-20 07:24:49 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2f349bd8d8a4e489cf209fd0\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMzU4MDcy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"tests so hard bro. not even like the midterms. that curve be super high. he a nice jolly chill guy tho always smiling. js the tests bro sheesh.\",\"course_id\":\"STAT 340\",\"date\":\"2026-03-24 15:18:24 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"a8dbeaf1f1411eb39b0a49fd\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTQyNzMwOTMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"The statistics department is poor quality, and Bi has a good contribution to it. I had a good impression of him, as he is nice. But as time passed, he became rude to students, he deletes piazza comments, and just reads off slides. He offers no help for exam preparation either while the other classes get review guides. Something needs to change. \",\"course_id\":\"STAT 340\",\"date\":\"2026-03-26 07:39:11 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"5329c6bde1d3675c551ab777\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyNzQwOTc4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"Lectures are worthless, many of them only took 60% of the allotted time. With tough materials such as present in STAT340, she should really be taking the full amount of time. Lectures were mostly her reading off slides. Little to no in-class examples done. Exams were written in a gotcha manner and did not match lecture difficulty well.\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-15 21:20:30 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"af400bc4a2b738f690f169d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODQ2MDI1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Lecture is just her reading off the slides, she provides no meaningful examples to deepen your understanding of the material, and the homework is absolutely nothing like the exams. She cannot convey the material clearly and in a manner that makes it easier to understand. SAVE YOUR GPA AND AVOID HER CLASSES. Don't make the same mistake I made. \",\"course_id\":\"STAT 340\",\"date\":\"2026-04-16 18:27:55 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"3e1998c064d2526357e261a8\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODUzMzMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Very difficult tests compared to others. Extremely rude during testing or general conversation if he thinks a mistake has been made. Does not want to believe the student if he has thought of something to be true. Does not give any chance, super strict with everything, so be careful and don't even think of making a mistake by mistake\",\"course_id\":\"STAT 340\",\"date\":\"2026-08-07 21:11:09 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"b787228b81c1f58938903f35\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMzUzMTUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"}],\"evidence_count\":13,\"review_ids\":[\"421022dd8603746b39a695cd\",\"786c72b8f877fb7ac1dbe4f9\",\"ef9ee8ef901efcb53cbb3667\",\"2946ae26431cf1e4623fb670\",\"2e24294e301b6d7b9740633e\",\"2caf4d243c730a0514f9cd4c\",\"18bd207c2699971b94dcf0ed\",\"2f349bd8d8a4e489cf209fd0\",\"a8dbeaf1f1411eb39b0a49fd\",\"5329c6bde1d3675c551ab777\",\"af400bc4a2b738f690f169d1\",\"3e1998c064d2526357e261a8\",\"b787228b81c1f58938903f35\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1801396\",\"name\":\"Karl Rohe\"},{\"id\":\"rmp:2726941\",\"name\":\"Keith Levin\"},{\"id\":\"rmp:2772143\",\"name\":\"Bi Cheng Wu\"},{\"id\":\"rmp:2835672\",\"name\":\"Brian Powers\"},{\"id\":\"rmp:3010926\",\"name\":\"Yongyi Guo\"},{\"id\":\"rmp:3089686\",\"name\":\"Sahifa Siddiqua\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2020\"},\"sentiment\":\"negative\",\"summary\":\"Assessments are extremely difficult, have high curves, and bear little relation to homework or lectures.\"},{\"aspect\":\"organization\",\"evidence\":[{\"comment\":\"HE IS BAD! Don't take him, the class was highly disorganized, the information about the exam was given on the exam day. there is not structure to this class, no explanation. He is just bad. RUN DONT TAKE HIM\",\"course_id\":\"STAT 340\",\"date\":\"2021-05-05 00:08:36 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"720e89db0eca2072fc007e3b\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NzA1NTU1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"Not the worst guy, he seems to be passionate and knowledgeable but he's very scatter-minded and the course is very disorganized. He does ramble a bit too much on topics irrelevant to the class but this class isn't the worst.\",\"course_id\":\"STAT 340\",\"date\":\"2021-05-21 03:41:27 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"263caadde45d9af4a4e03c39\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM0ODM2MzEy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"Worst class I have taken in college. It is a complete mess. We do all of our assignments in R and then take the hardest exam known to man on paper -- we got 50 minutes to do it which was no where near the amount of time we should have been given to complete that monstrosity. Given the amount paid in tuition here, this course needs a re-evaluation. \",\"course_id\":\"STAT 340\",\"date\":\"2025-05-03 16:49:48 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2caf4d243c730a0514f9cd4c\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQxMTQ0Njk5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"I've never seen a professor as unprepared as Dr. Sahifa. She teaches off Dr. Powers' slides and it feels like it's her first time seeing them. I get dizzy as she keeps scrolling up and down slides, and often hand-writes equations that are already on the slides before realizing they're already there. She often skips past material without realizing.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-15 21:03:49 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"d26592f5978781f451f5d876\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMjY2MTA3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"The statistics department is poor quality, and Bi has a good contribution to it. I had a good impression of him, as he is nice. But as time passed, he became rude to students, he deletes piazza comments, and just reads off slides. He offers no help for exam preparation either while the other classes get review guides. Something needs to change. \",\"course_id\":\"STAT 340\",\"date\":\"2026-03-26 07:39:11 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"5329c6bde1d3675c551ab777\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyNzQwOTc4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"Lectures are worthless, many of them only took 60% of the allotted time. With tough materials such as present in STAT340, she should really be taking the full amount of time. Lectures were mostly her reading off slides. Little to no in-class examples done. Exams were written in a gotcha manner and did not match lecture difficulty well.\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-15 21:20:30 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"af400bc4a2b738f690f169d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODQ2MDI1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Lecture is just her reading off the slides, she provides no meaningful examples to deepen your understanding of the material, and the homework is absolutely nothing like the exams. She cannot convey the material clearly and in a manner that makes it easier to understand. SAVE YOUR GPA AND AVOID HER CLASSES. Don't make the same mistake I made. \",\"course_id\":\"STAT 340\",\"date\":\"2026-04-16 18:27:55 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"3e1998c064d2526357e261a8\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODUzMzMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Comparing her slides to the other professor's just showed me how much difficulty she added to the class because of her teaching style. The entire time, she would just be reading massive blocks of R code or reading formulas instead of saying anything useful or informative. She is a very nice woman, but I would definitely avoid her class.\",\"course_id\":\"STAT 340\",\"date\":\"2026-05-08 01:49:38 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"1bb01f79e11a9722089969d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMDY2OTgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"}],\"evidence_count\":8,\"review_ids\":[\"720e89db0eca2072fc007e3b\",\"263caadde45d9af4a4e03c39\",\"2caf4d243c730a0514f9cd4c\",\"d26592f5978781f451f5d876\",\"5329c6bde1d3675c551ab777\",\"af400bc4a2b738f690f169d1\",\"3e1998c064d2526357e261a8\",\"1bb01f79e11a9722089969d1\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1801396\",\"name\":\"Karl Rohe\"},{\"id\":\"rmp:2772143\",\"name\":\"Bi Cheng Wu\"},{\"id\":\"rmp:2835672\",\"name\":\"Brian Powers\"},{\"id\":\"rmp:3010926\",\"name\":\"Yongyi Guo\"},{\"id\":\"rmp:3089686\",\"name\":\"Sahifa Siddiqua\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2021\"},\"sentiment\":\"negative\",\"summary\":\"The course is highly disorganized with no clear structure. Instructors are often unprepared or skip material.\"},{\"aspect\":\"workload\",\"evidence\":[{\"comment\":\"I feel very unhappy taking his class. He gave harsh comment on homework. I know I did wrong, and I totally accept comment like "completely wrong". But please could you provide any helpful explanations? Receiving zero for a problem and only getting a comment of "completely wrong" is just meaningless.\",\"course_id\":\"STAT 340\",\"date\":\"2021-12-19 22:47:10 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"786c72b8f877fb7ac1dbe4f9\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM1NjAwMDAx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"Bi himself is very caring and understanding. He is very lenient towards late work and is very accommodating to any students who run into issues while taking his course. The one problem with Bi is that there were very few projects and homework-so while you might think it is a good thing, it makes studying for exams and being prepared very difficult.\",\"course_id\":\"STAT 340\",\"date\":\"2022-08-09 20:12:40 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"ef9ee8ef901efcb53cbb3667\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTM2NTc0ODAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"Worst class I have taken in college. It is a complete mess. We do all of our assignments in R and then take the hardest exam known to man on paper -- we got 50 minutes to do it which was no where near the amount of time we should have been given to complete that monstrosity. Given the amount paid in tuition here, this course needs a re-evaluation. \",\"course_id\":\"STAT 340\",\"date\":\"2025-05-03 16:49:48 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2caf4d243c730a0514f9cd4c\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQxMTQ0Njk5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"tests so hard bro. not even like the midterms. that curve be super high. he a nice jolly chill guy tho always smiling. js the tests bro sheesh.\",\"course_id\":\"STAT 340\",\"date\":\"2026-03-24 15:18:24 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"a8dbeaf1f1411eb39b0a49fd\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTQyNzMwOTMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"Very difficult tests compared to others. Extremely rude during testing or general conversation if he thinks a mistake has been made. Does not want to believe the student if he has thought of something to be true. Does not give any chance, super strict with everything, so be careful and don't even think of making a mistake by mistake\",\"course_id\":\"STAT 340\",\"date\":\"2026-08-07 21:11:09 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"b787228b81c1f58938903f35\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMzUzMTUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"}],\"evidence_count\":5,\"review_ids\":[\"786c72b8f877fb7ac1dbe4f9\",\"ef9ee8ef901efcb53cbb3667\",\"2caf4d243c730a0514f9cd4c\",\"a8dbeaf1f1411eb39b0a49fd\",\"b787228b81c1f58938903f35\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2726941\",\"name\":\"Keith Levin\"},{\"id\":\"rmp:2772143\",\"name\":\"Bi Cheng Wu\"},{\"id\":\"rmp:2835672\",\"name\":\"Brian Powers\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2021\"},\"sentiment\":\"negative\",\"summary\":\"Students spend hours on homework with little grade impact. Exams are extremely difficult with insufficient time.\"},{\"aspect\":\"projects\",\"evidence\":[{\"comment\":\"Karl was a nice guy, but his lectures were quite boring. The midterm was based off of the homework, but I wish that we were given a few practice problems. The group project is pretty important for your grade, so make sure you do well on that. Overall, this was the first time that this class was taught so I'd say he did a pretty decent job with it.\",\"course_id\":\"STAT 340\",\"date\":\"2020-05-18 19:29:09 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"421022dd8603746b39a695cd\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTMzMzI1MzAy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"Bi himself is very caring and understanding. He is very lenient towards late work and is very accommodating to any students who run into issues while taking his course. The one problem with Bi is that there were very few projects and homework-so while you might think it is a good thing, it makes studying for exams and being prepared very difficult.\",\"course_id\":\"STAT 340\",\"date\":\"2022-08-09 20:12:40 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"ef9ee8ef901efcb53cbb3667\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTM2NTc0ODAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"}],\"evidence_count\":2,\"review_ids\":[\"421022dd8603746b39a695cd\",\"ef9ee8ef901efcb53cbb3667\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1801396\",\"name\":\"Karl Rohe\"},{\"id\":\"rmp:2772143\",\"name\":\"Bi Cheng Wu\"}],\"review_year_end\":\"2022\",\"review_year_start\":\"2020\"},\"sentiment\":\"mixed\",\"summary\":\"Some note group projects are important, while others complain about a lack of projects and homework.\"},{\"aspect\":\"overall\",\"evidence\":[{\"comment\":\"HE IS BAD! Don't take him, the class was highly disorganized, the information about the exam was given on the exam day. there is not structure to this class, no explanation. He is just bad. RUN DONT TAKE HIM\",\"course_id\":\"STAT 340\",\"date\":\"2021-05-05 00:08:36 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"720e89db0eca2072fc007e3b\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NzA1NTU1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"He is rude and unreachable. I had questions from my exam. So, I went to his office hour, waited for half hour just for a short explanation. He told me there are so many people waiting outside for more important questions, started to yell at me, and looked at me with impatience. I left the office hour without asking the other more important question\",\"course_id\":\"STAT 340\",\"date\":\"2021-11-11 05:39:53 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"bfa36301f40fad76505e95eb\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM1MjI0MTkx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"I feel very unhappy taking his class. He gave harsh comment on homework. I know I did wrong, and I totally accept comment like "completely wrong". But please could you provide any helpful explanations? Receiving zero for a problem and only getting a comment of "completely wrong" is just meaningless.\",\"course_id\":\"STAT 340\",\"date\":\"2021-12-19 22:47:10 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"786c72b8f877fb7ac1dbe4f9\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM1NjAwMDAx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"I'M NEW HERE, ARE YOU BORED OR CONFUSED??? OH SORRY, SHOULD I SAY THE SAME THING BUT LOUDER!?!? Really bad at lecturing, and says the same thing mentioned above over and over and over. \",\"course_id\":\"STAT 340\",\"date\":\"2022-11-11 00:30:14 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"dc957f4d04d644004ff8cdfb\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM2ODE0NzU0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"Exams are weighted heavily. I spent hours on homework, yet they hardly influenced grade. Lectures are dry and equation heavy and he makes you feel dumb. To quote him, \\\"Skipping class is the bestcase scenario. I get to work on research.\\\" Obvious contempt for the field of teaching and complains about his salary and when you don't laugh at his jokes.\",\"course_id\":\"STAT 340\",\"date\":\"2022-12-20 18:19:37 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"894f2f1df2c7ef6cda69bac9\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM3MjAzMzMy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"His grade threshold is higher than other sections, having exact same hws and exams. He thinks it's because he's good at teaching. But he simply don't know he's so bad at teaching so that some students go ask other sections about exam questions prior to taking it. His exam is one day later but we all have the exact same exam questions.\",\"course_id\":\"STAT 340\",\"date\":\"2023-12-28 05:29:47 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2e24294e301b6d7b9740633e\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM4ODAzMTE5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"Worst class I have taken in college. It is a complete mess. We do all of our assignments in R and then take the hardest exam known to man on paper -- we got 50 minutes to do it which was no where near the amount of time we should have been given to complete that monstrosity. Given the amount paid in tuition here, this course needs a re-evaluation. \",\"course_id\":\"STAT 340\",\"date\":\"2025-05-03 16:49:48 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2caf4d243c730a0514f9cd4c\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQxMTQ0Njk5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"Quite possibly the worst professor I have ever had. Lecture notes are illegible and ridden with typos. She seems to not really know how to teach in general and just assigned a random class. She also seems to make no effort to learn how to use her technology properly and switches between screens so rapidly that I get dizzy. \",\"course_id\":\"STAT 340\",\"date\":\"2025-09-19 20:47:10 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"2e7628fbb0a95e9fe8aed5ee\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQxNjUzNjc4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"Knowledgeable in the material but very poor explanations during lecture. Poor handwriting and subpar explanations of concepts. Also the homework and discussion assignments have basically nothing to do with the exams. \",\"course_id\":\"STAT 340\",\"date\":\"2025-12-12 17:25:55 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"6adfcc44aa9efc244dcb1d2b\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQyMjA4NjA3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"I've never seen a professor as unprepared as Dr. Sahifa. She teaches off Dr. Powers' slides and it feels like it's her first time seeing them. I get dizzy as she keeps scrolling up and down slides, and often hand-writes equations that are already on the slides before realizing they're already there. She often skips past material without realizing.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-15 21:03:49 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"d26592f5978781f451f5d876\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMjY2MTA3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"The exam has no relations to her lecture, slides, and practice exam. She put stuffs that never mentioned in class in the final without explanation. Also her hand writing is awful that you can't review and understand the annotated slides. And the exam environment is awful because she didn't book enough room for all students.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-16 15:05:57 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"18bd207c2699971b94dcf0ed\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMjgzMzk0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"Does not teach anything related to the exams. Has no clue what a rubric is, or how it works. Changes the syllabus for grading as and when she feels like it. Incredibly inefficient when it comes to practicing actual questions or problems related to exams. If possible don't take it with her. Honestly for me the worst professor in the stat department.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-20 07:24:49 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2f349bd8d8a4e489cf209fd0\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMzU4MDcy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"The statistics department is poor quality, and Bi has a good contribution to it. I had a good impression of him, as he is nice. But as time passed, he became rude to students, he deletes piazza comments, and just reads off slides. He offers no help for exam preparation either while the other classes get review guides. Something needs to change. \",\"course_id\":\"STAT 340\",\"date\":\"2026-03-26 07:39:11 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"5329c6bde1d3675c551ab777\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyNzQwOTc4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"No point in wasting your time, she just reads off the slides.\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-13 22:07:40 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"80cc7c64c2c238059233e84a\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODI3NTM0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Lectures are worthless, many of them only took 60% of the allotted time. With tough materials such as present in STAT340, she should really be taking the full amount of time. Lectures were mostly her reading off slides. Little to no in-class examples done. Exams were written in a gotcha manner and did not match lecture difficulty well.\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-15 21:20:30 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"af400bc4a2b738f690f169d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODQ2MDI1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Lecture is just her reading off the slides, she provides no meaningful examples to deepen your understanding of the material, and the homework is absolutely nothing like the exams. She cannot convey the material clearly and in a manner that makes it easier to understand. SAVE YOUR GPA AND AVOID HER CLASSES. Don't make the same mistake I made. \",\"course_id\":\"STAT 340\",\"date\":\"2026-04-16 18:27:55 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"3e1998c064d2526357e261a8\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODUzMzMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Bad teaching style. \",\"course_id\":\"STAT 340\",\"date\":\"2026-04-17 07:25:19 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"3e3acba7ad5cd3845f3ba360\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODU4NDEx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"zhe jie ke zen me zhe me nan\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-24 01:32:26 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"e3faf7e08797242928118106\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyOTIwMjU0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Comparing her slides to the other professor's just showed me how much difficulty she added to the class because of her teaching style. The entire time, she would just be reading massive blocks of R code or reading formulas instead of saying anything useful or informative. She is a very nice woman, but I would definitely avoid her class.\",\"course_id\":\"STAT 340\",\"date\":\"2026-05-08 01:49:38 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"1bb01f79e11a9722089969d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMDY2OTgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Very difficult tests compared to others. Extremely rude during testing or general conversation if he thinks a mistake has been made. Does not want to believe the student if he has thought of something to be true. Does not give any chance, super strict with everything, so be careful and don't even think of making a mistake by mistake\",\"course_id\":\"STAT 340\",\"date\":\"2026-08-07 21:11:09 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"b787228b81c1f58938903f35\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMzUzMTUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"}],\"evidence_count\":20,\"review_ids\":[\"720e89db0eca2072fc007e3b\",\"bfa36301f40fad76505e95eb\",\"786c72b8f877fb7ac1dbe4f9\",\"dc957f4d04d644004ff8cdfb\",\"894f2f1df2c7ef6cda69bac9\",\"2e24294e301b6d7b9740633e\",\"2caf4d243c730a0514f9cd4c\",\"2e7628fbb0a95e9fe8aed5ee\",\"6adfcc44aa9efc244dcb1d2b\",\"d26592f5978781f451f5d876\",\"18bd207c2699971b94dcf0ed\",\"2f349bd8d8a4e489cf209fd0\",\"5329c6bde1d3675c551ab777\",\"80cc7c64c2c238059233e84a\",\"af400bc4a2b738f690f169d1\",\"3e1998c064d2526357e261a8\",\"3e3acba7ad5cd3845f3ba360\",\"e3faf7e08797242928118106\",\"1bb01f79e11a9722089969d1\",\"b787228b81c1f58938903f35\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1801396\",\"name\":\"Karl Rohe\"},{\"id\":\"rmp:2726941\",\"name\":\"Keith Levin\"},{\"id\":\"rmp:2772143\",\"name\":\"Bi Cheng Wu\"},{\"id\":\"rmp:2835672\",\"name\":\"Brian Powers\"},{\"id\":\"rmp:3010926\",\"name\":\"Yongyi Guo\"},{\"id\":\"rmp:3089686\",\"name\":\"Sahifa Siddiqua\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2021\"},\"sentiment\":\"negative\",\"summary\":\"Overall sentiment is negative, with students describing the class as a mess and advising others to avoid it.\"}]}","candidate_json":null,"error":null,"model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":true},{"run_id":"20260907T155543-ce3781c4","observed_at":"2026-09-07 15:55:43.033547+00:00","course_uid":"course_d2d0c15e32bd1631a6074548","course_id":"STAT 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UTC\",\"review_id\":\"2a02190920868ee5a73bc41d\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2772143\",\"source_review_id\":\"UmF0aW5nLTQxMjkzMjQ4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\",\"type\":\"review\"},{\"instructor_name\":\"Bi Cheng Wu\",\"review_date\":\"2026-04-11 06:35:20 +0000 UTC\",\"review_id\":\"d856d825caab4a60e403fcae\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2772143\",\"source_review_id\":\"UmF0aW5nLTQyODE2MTk2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\",\"type\":\"review\"},{\"instructor_name\":\"Bi Cheng Wu\",\"review_date\":\"2026-04-17 07:20:48 +0000 UTC\",\"review_id\":\"2b55de9ff2721c0fc190716f\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2772143\",\"source_review_id\":\"UmF0aW5nLTQyODU4NDAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\",\"type\":\"review\"},{\"instructor_name\":\"Bi Cheng Wu\",\"review_date\":\"2026-04-17 07:43:26 +0000 UTC\",\"review_id\":\"438cbf1512fde7b5bb396be2\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2772143\",\"source_review_id\":\"UmF0aW5nLTQyODU4NDU0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\",\"type\":\"review\"},{\"instructor_name\":\"Bi Cheng Wu\",\"review_date\":\"2026-08-07 21:11:09 +0000 UTC\",\"review_id\":\"b787228b81c1f58938903f35\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2772143\",\"source_review_id\":\"UmF0aW5nLTQzMzUzMTUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\",\"type\":\"review\"}],\"text\":\"Bi Cheng Wu receives polarized reviews regarding his demeanor and course structure. Some students find him caring and patient, while others describe him as demeaning, rude, and disorganized. Major concerns include poor alignment between lectures and exams, vague instructions, and difficult testing conditions.\"},{\"citations\":[{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1252\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":3,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1252\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":4,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1252\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":3,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":4,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":3,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"}],\"text\":\"Recent recorded grades — Fall 2024: 3.04 GPA, 39.2% A/AB (n=301 letter grades); Spring 2025: 2.96 GPA, 36.7% A/AB (n=207 letter grades); Spring 2026: 2.85 GPA, 37.0% A/AB (n=138 letter grades).\"}]},{\"instructor_uid\":\"instructor_b87779c096c1e7569483fa4b\",\"message\":null,\"name\":\"Brian Powers\",\"review_status\":\"supported\",\"rmp_instructor_id\":\"rmp:2835672\",\"summary\":[{\"citations\":[{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2023-12-22 18:18:00 +0000 UTC\",\"review_id\":\"cb1e591f590e90ccb0c0b795\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTM4Nzc3Mjg4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2024-11-15 02:05:19 +0000 UTC\",\"review_id\":\"65238a80a6d43ba5889c4f59\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTM5OTU0MzU0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2025-12-03 21:10:36 +0000 UTC\",\"review_id\":\"f007cffeb921384c82eb30fb\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTQyMDE5ODgz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"}],\"text\":\"Brian Powers is approachable and caring, praised as a master explainer who answers questions thoroughly and maintains organized resources. Reviewers appreciate his patience and passion, noting he is a standout in the stats department compared to other instructors.\"},{\"citations\":[{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2023-12-21 17:46:44 +0000 UTC\",\"review_id\":\"2946ae26431cf1e4623fb670\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTM4NzY3NjE3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2024-01-03 19:32:54 +0000 UTC\",\"review_id\":\"8fd5954a9731d04acbd8c802\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTM4ODI2MTYy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2025-01-27 15:45:49 +0000 UTC\",\"review_id\":\"98334dea3d6e4498211ba728\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTQwNjA3MjQz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2025-03-27 19:27:37 +0000 UTC\",\"review_id\":\"dd42c725b8e4c483f51de7ae\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTQwODI4Nzk0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"}],\"text\":\"Critics report his lectures often go off on tangents, making them tiresome. Significant concerns exist that exams do not reflect course material or homework, with some describing tests as unfair and overly difficult relative to the content.\"},{\"citations\":[{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1262\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"}],\"text\":\"Recent recorded grades — Spring 2025: 2.91 GPA, 34.3% A/AB (n=245 letter grades); Fall 2025: 3.00 GPA, 36.9% A/AB (n=198 letter grades); Spring 2026: 2.84 GPA, 35.9% A/AB (n=92 letter grades).\"}]}],\"difficulty_workload\":[],\"errors\":[{\"error\":\"UnexpectedModelBehavior: Exceeded maximum output retries (2)\",\"instructor_uid\":null,\"mode\":\"overview\"}],\"historical_context\":[{\"citations\":[{\"instructor_name\":\"Yongyi Guo\",\"review_date\":\"2024-05-06 16:27:34 +0000 UTC\",\"review_id\":\"c542b8a0476e481550d3f358\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:3010926\",\"source_review_id\":\"UmF0aW5nLTM5Mzc3NjQy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\",\"type\":\"review\"}],\"text\":\"Historical reviews of Yongyi Guo: Bi Cheng Wu is preferred over current instructor Yongyi Guo for live coding instruction. Reviewers note that Guo's lectures are unengaging, but exams are fair and lecture recordings are available for study.\"}],\"message\":null,\"offered\":true,\"profile_hash\":\"5cb4dabf887cdbcd8c00d5a1312e10828b95c63f30bc3ea76aea199565390d02\",\"quick_take\":[{\"citations\":[{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1262\",\"type\":\"grade\"},{\"course_id\":\"STAT 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Recorded history may be incomplete and does not establish a future schedule.\"},{\"citations\":[{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1234\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1242\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":3,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1242\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1244\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1244\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1252\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1262\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"}],\"text\":\"BRIAN POWERS is recorded teaching in Spring 2023, Fall 2023, Spring 2024, Fall 2024, Spring 2025, Fall 2025, Spring 2026. Recorded history may be incomplete and does not establish a future schedule.\"},{\"citations\":[{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1204\",\"type\":\"grade\"}],\"text\":\"KARL ROHE is recorded teaching in Spring 2020. Recorded history may be incomplete and does not establish a future schedule.\"},{\"citations\":[{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1222\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1232\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1232\",\"type\":\"grade\"}],\"text\":\"KEITH LEVIN is recorded teaching in Fall 2021, Fall 2022. Recorded history may be incomplete and does not establish a future schedule.\"},{\"citations\":[{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1262\",\"type\":\"grade\"}],\"text\":\"SAHIFA SIDDIQUA is recorded teaching in Fall 2025. Recorded history may be incomplete and does not establish a future schedule.\"},{\"citations\":[{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":3,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1244\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"}],\"text\":\"YONGYI GUO is recorded teaching in Spring 2024, Spring 2026. Recorded history may be incomplete and does not establish a future schedule.\"}],\"term_id\":\"1272\",\"term_name\":\"2026 Fall\",\"version\":2}","candidate_json":null,"error":"[{\"mode\": \"overview\", \"instructor_uid\": null, \"error\": \"UnexpectedModelBehavior: Exceeded maximum output retries (2)\"}]","model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":true},{"run_id":"20260907T155543-ce3781c4","observed_at":"2026-09-07 15:55:43.033547+00:00","course_uid":"course_d2d0c15e32bd1631a6074548","course_id":"STAT 340","catalog_version_id":"ed7823b6f412b0a0908e598c7d306f023713c1b927dd88b68cdca6c1b4dbe002","record_version_id":"f8bf554322b84198ea6dccdf063ab61f07c85e33f008ed1b32625b69cb1ba446","job_id":"enrich-f516c4d3e82cfe326b4f5f54","output_id":"884a51ec5f167b92af0a8525f50504fb3d61042fccd619d3d7890e0ef3b14d02","section":"requirements","status":"valid","value_json":"{\"nodes\":[{\"children\":[\"n1\",\"n2\"],\"condition\":null,\"course\":null,\"evidence\":\"(MATH 211, 217, or221) andSTAT 240\",\"id\":\"n0\",\"kind\":\"all\"},{\"children\":[\"n3\",\"n4\",\"n5\"],\"condition\":null,\"course\":null,\"evidence\":\"(MATH 211, 217, or221)\",\"id\":\"n1\",\"kind\":\"any\"},{\"children\":[],\"condition\":null,\"course\":{\"course_number\":240,\"minimum_grade\":null,\"subjects\":[\"STAT\"],\"timing\":\"prior\"},\"evidence\":\"STAT 240\",\"id\":\"n2\",\"kind\":\"course\"},{\"children\":[],\"condition\":null,\"course\":{\"course_number\":211,\"minimum_grade\":null,\"subjects\":[\"MATH\"],\"timing\":\"prior\"},\"evidence\":\"MATH 211\",\"id\":\"n3\",\"kind\":\"course\"},{\"children\":[],\"condition\":\"217\",\"course\":null,\"evidence\":\"217\",\"id\":\"n4\",\"kind\":\"condition\"},{\"children\":[],\"condition\":null,\"course\":{\"course_number\":221,\"minimum_grade\":null,\"subjects\":[\"MATH\"],\"timing\":\"prior\"},\"evidence\":\"221\",\"id\":\"n5\",\"kind\":\"course\"}],\"notes\":[],\"root\":\"n0\",\"status\":\"parsed\"}","candidate_json":null,"error":null,"model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":true},{"run_id":"20260907T155543-ce3781c4","observed_at":"2026-09-07 15:55:43.033547+00:00","course_uid":"course_d2d0c15e32bd1631a6074548","course_id":"STAT 340","catalog_version_id":"ed7823b6f412b0a0908e598c7d306f023713c1b927dd88b68cdca6c1b4dbe002","record_version_id":"f8bf554322b84198ea6dccdf063ab61f07c85e33f008ed1b32625b69cb1ba446","job_id":"enrich-f516c4d3e82cfe326b4f5f54","output_id":"884a51ec5f167b92af0a8525f50504fb3d61042fccd619d3d7890e0ef3b14d02","section":"search_profile","status":"valid","value_json":"{\"assumed_background\":[{\"evidence\":[{\"course_id\":\"STAT 240\",\"field\":\"description\",\"quote\":\"Introduces reproducible data management, modeling, analysis, and statistical inference through a practical, hands-on case studies approach. 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Don't take him, the class was highly disorganized, the information about the exam was given on the exam day. there is not structure to this class, no explanation. He is just bad. RUN DONT TAKE HIM\",\"course_id\":\"STAT 340\",\"date\":\"2021-05-05 00:08:36 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"720e89db0eca2072fc007e3b\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NzA1NTU1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"Not the worst guy, he seems to be passionate and knowledgeable but he's very scatter-minded and the course is very disorganized. He does ramble a bit too much on topics irrelevant to the class but this class isn't the worst.\",\"course_id\":\"STAT 340\",\"date\":\"2021-05-21 03:41:27 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"263caadde45d9af4a4e03c39\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM0ODM2MzEy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"I'M NEW HERE, ARE YOU BORED OR CONFUSED??? OH SORRY, SHOULD I SAY THE SAME THING BUT LOUDER!?!? Really bad at lecturing, and says the same thing mentioned above over and over and over. \",\"course_id\":\"STAT 340\",\"date\":\"2022-11-11 00:30:14 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"dc957f4d04d644004ff8cdfb\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM2ODE0NzU0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"Exams are weighted heavily. I spent hours on homework, yet they hardly influenced grade. Lectures are dry and equation heavy and he makes you feel dumb. To quote him, \\\"Skipping class is the bestcase scenario. I get to work on research.\\\" Obvious contempt for the field of teaching and complains about his salary and when you don't laugh at his jokes.\",\"course_id\":\"STAT 340\",\"date\":\"2022-12-20 18:19:37 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"894f2f1df2c7ef6cda69bac9\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM3MjAzMzMy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"Bi himself is very caring and understanding. He is very lenient towards late work and is very accommodating to any students who run into issues while taking his course. The one problem with Bi is that there were very few projects and homework-so while you might think it is a good thing, it makes studying for exams and being prepared very difficult.\",\"course_id\":\"STAT 340\",\"date\":\"2022-08-09 20:12:40 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"ef9ee8ef901efcb53cbb3667\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTM2NTc0ODAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"His grade threshold is higher than other sections, having exact same hws and exams. He thinks it's because he's good at teaching. But he simply don't know he's so bad at teaching so that some students go ask other sections about exam questions prior to taking it. His exam is one day later but we all have the exact same exam questions.\",\"course_id\":\"STAT 340\",\"date\":\"2023-12-28 05:29:47 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2e24294e301b6d7b9740633e\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM4ODAzMTE5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"Lectures were nothing special. She doesn't do live coding, and in that regard I liked Bi better (I had him for STAT240). Exams are fair and not too difficult. I attended almost all the lectures, but you definitely wouldn't have to (there are posted recordings and lecture notes).\",\"course_id\":\"STAT 340\",\"date\":\"2024-05-06 16:27:34 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"c542b8a0476e481550d3f358\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTM5Mzc3NjQy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"While he does care about is students and is very accommodating, he struggles to lecture in a way that gets the point across easily and quickly. I found the lectures to be tiresome and we didn't gain much from attending. This course was definitely made harder than it needed to be by the bad lectures, hard tests and test-heavy grading.\",\"course_id\":\"STAT 340\",\"date\":\"2025-01-27 15:45:49 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"98334dea3d6e4498211ba728\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQwNjA3MjQz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"Quite possibly the worst professor I have ever had. Lecture notes are illegible and ridden with typos. She seems to not really know how to teach in general and just assigned a random class. She also seems to make no effort to learn how to use her technology properly and switches between screens so rapidly that I get dizzy. \",\"course_id\":\"STAT 340\",\"date\":\"2025-09-19 20:47:10 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"2e7628fbb0a95e9fe8aed5ee\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQxNjUzNjc4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"Knowledgeable in the material but very poor explanations during lecture. Poor handwriting and subpar explanations of concepts. Also the homework and discussion assignments have basically nothing to do with the exams. \",\"course_id\":\"STAT 340\",\"date\":\"2025-12-12 17:25:55 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"6adfcc44aa9efc244dcb1d2b\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQyMjA4NjA3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"I've never seen a professor as unprepared as Dr. Sahifa. She teaches off Dr. Powers' slides and it feels like it's her first time seeing them. I get dizzy as she keeps scrolling up and down slides, and often hand-writes equations that are already on the slides before realizing they're already there. She often skips past material without realizing.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-15 21:03:49 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"d26592f5978781f451f5d876\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMjY2MTA3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"The exam has no relations to her lecture, slides, and practice exam. She put stuffs that never mentioned in class in the final without explanation. Also her hand writing is awful that you can't review and understand the annotated slides. And the exam environment is awful because she didn't book enough room for all students.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-16 15:05:57 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"18bd207c2699971b94dcf0ed\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMjgzMzk0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"Does not teach anything related to the exams. Has no clue what a rubric is, or how it works. Changes the syllabus for grading as and when she feels like it. Incredibly inefficient when it comes to practicing actual questions or problems related to exams. If possible don't take it with her. Honestly for me the worst professor in the stat department.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-20 07:24:49 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2f349bd8d8a4e489cf209fd0\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMzU4MDcy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"The statistics department is poor quality, and Bi has a good contribution to it. I had a good impression of him, as he is nice. But as time passed, he became rude to students, he deletes piazza comments, and just reads off slides. He offers no help for exam preparation either while the other classes get review guides. Something needs to change. \",\"course_id\":\"STAT 340\",\"date\":\"2026-03-26 07:39:11 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"5329c6bde1d3675c551ab777\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyNzQwOTc4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"No point in wasting your time, she just reads off the slides.\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-13 22:07:40 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"80cc7c64c2c238059233e84a\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODI3NTM0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Lectures are worthless, many of them only took 60% of the allotted time. With tough materials such as present in STAT340, she should really be taking the full amount of time. Lectures were mostly her reading off slides. Little to no in-class examples done. Exams were written in a gotcha manner and did not match lecture difficulty well.\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-15 21:20:30 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"af400bc4a2b738f690f169d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODQ2MDI1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Lecture is just her reading off the slides, she provides no meaningful examples to deepen your understanding of the material, and the homework is absolutely nothing like the exams. She cannot convey the material clearly and in a manner that makes it easier to understand. SAVE YOUR GPA AND AVOID HER CLASSES. Don't make the same mistake I made. \",\"course_id\":\"STAT 340\",\"date\":\"2026-04-16 18:27:55 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"3e1998c064d2526357e261a8\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODUzMzMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Bad teaching style. \",\"course_id\":\"STAT 340\",\"date\":\"2026-04-17 07:25:19 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"3e3acba7ad5cd3845f3ba360\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODU4NDEx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"zhe jie ke zen me zhe me nan\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-24 01:32:26 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"e3faf7e08797242928118106\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyOTIwMjU0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Comparing her slides to the other professor's just showed me how much difficulty she added to the class because of her teaching style. The entire time, she would just be reading massive blocks of R code or reading formulas instead of saying anything useful or informative. She is a very nice woman, but I would definitely avoid her class.\",\"course_id\":\"STAT 340\",\"date\":\"2026-05-08 01:49:38 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"1bb01f79e11a9722089969d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMDY2OTgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Very difficult tests compared to others. Extremely rude during testing or general conversation if he thinks a mistake has been made. Does not want to believe the student if he has thought of something to be true. Does not give any chance, super strict with everything, so be careful and don't even think of making a mistake by mistake\",\"course_id\":\"STAT 340\",\"date\":\"2026-08-07 21:11:09 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"b787228b81c1f58938903f35\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMzUzMTUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"}],\"evidence_count\":21,\"review_ids\":[\"720e89db0eca2072fc007e3b\",\"263caadde45d9af4a4e03c39\",\"dc957f4d04d644004ff8cdfb\",\"894f2f1df2c7ef6cda69bac9\",\"ef9ee8ef901efcb53cbb3667\",\"2e24294e301b6d7b9740633e\",\"c542b8a0476e481550d3f358\",\"98334dea3d6e4498211ba728\",\"2e7628fbb0a95e9fe8aed5ee\",\"6adfcc44aa9efc244dcb1d2b\",\"d26592f5978781f451f5d876\",\"18bd207c2699971b94dcf0ed\",\"2f349bd8d8a4e489cf209fd0\",\"5329c6bde1d3675c551ab777\",\"80cc7c64c2c238059233e84a\",\"af400bc4a2b738f690f169d1\",\"3e1998c064d2526357e261a8\",\"3e3acba7ad5cd3845f3ba360\",\"e3faf7e08797242928118106\",\"1bb01f79e11a9722089969d1\",\"b787228b81c1f58938903f35\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1801396\",\"name\":\"Karl Rohe\"},{\"id\":\"rmp:2726941\",\"name\":\"Keith Levin\"},{\"id\":\"rmp:2772143\",\"name\":\"Bi Cheng Wu\"},{\"id\":\"rmp:2835672\",\"name\":\"Brian Powers\"},{\"id\":\"rmp:3010926\",\"name\":\"Yongyi Guo\"},{\"id\":\"rmp:3089686\",\"name\":\"Sahifa Siddiqua\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2021\"},\"sentiment\":\"negative\",\"summary\":\"Students report poor clarity, disorganized lectures, and instructors reading from slides without meaningful examples.\"},{\"aspect\":\"assessment\",\"evidence\":[{\"comment\":\"Karl was a nice guy, but his lectures were quite boring. The midterm was based off of the homework, but I wish that we were given a few practice problems. The group project is pretty important for your grade, so make sure you do well on that. Overall, this was the first time that this class was taught so I'd say he did a pretty decent job with it.\",\"course_id\":\"STAT 340\",\"date\":\"2020-05-18 19:29:09 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"421022dd8603746b39a695cd\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTMzMzI1MzAy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"I feel very unhappy taking his class. He gave harsh comment on homework. I know I did wrong, and I totally accept comment like "completely wrong". But please could you provide any helpful explanations? Receiving zero for a problem and only getting a comment of "completely wrong" is just meaningless.\",\"course_id\":\"STAT 340\",\"date\":\"2021-12-19 22:47:10 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"786c72b8f877fb7ac1dbe4f9\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM1NjAwMDAx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"Bi himself is very caring and understanding. He is very lenient towards late work and is very accommodating to any students who run into issues while taking his course. The one problem with Bi is that there were very few projects and homework-so while you might think it is a good thing, it makes studying for exams and being prepared very difficult.\",\"course_id\":\"STAT 340\",\"date\":\"2022-08-09 20:12:40 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"ef9ee8ef901efcb53cbb3667\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTM2NTc0ODAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"While he clearly cares about his students, I don't feel like this tests (midterm and final, cumulatively worth 60% of the grade) reflected the course material we learned. Additionally, doing the homework and discussion assignments only gave a very, very loose understanding of the course material. Not sure if this is a problem with Powers or Stat340\",\"course_id\":\"STAT 340\",\"date\":\"2023-12-21 17:46:44 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"2946ae26431cf1e4623fb670\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTM4NzY3NjE3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"His grade threshold is higher than other sections, having exact same hws and exams. He thinks it's because he's good at teaching. But he simply don't know he's so bad at teaching so that some students go ask other sections about exam questions prior to taking it. His exam is one day later but we all have the exact same exam questions.\",\"course_id\":\"STAT 340\",\"date\":\"2023-12-28 05:29:47 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2e24294e301b6d7b9740633e\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM4ODAzMTE5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"Worst class I have taken in college. It is a complete mess. We do all of our assignments in R and then take the hardest exam known to man on paper -- we got 50 minutes to do it which was no where near the amount of time we should have been given to complete that monstrosity. Given the amount paid in tuition here, this course needs a re-evaluation. \",\"course_id\":\"STAT 340\",\"date\":\"2025-05-03 16:49:48 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2caf4d243c730a0514f9cd4c\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQxMTQ0Njk5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"The exam has no relations to her lecture, slides, and practice exam. She put stuffs that never mentioned in class in the final without explanation. Also her hand writing is awful that you can't review and understand the annotated slides. And the exam environment is awful because she didn't book enough room for all students.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-16 15:05:57 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"18bd207c2699971b94dcf0ed\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMjgzMzk0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"Does not teach anything related to the exams. Has no clue what a rubric is, or how it works. Changes the syllabus for grading as and when she feels like it. Incredibly inefficient when it comes to practicing actual questions or problems related to exams. If possible don't take it with her. Honestly for me the worst professor in the stat department.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-20 07:24:49 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2f349bd8d8a4e489cf209fd0\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMzU4MDcy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"tests so hard bro. not even like the midterms. that curve be super high. he a nice jolly chill guy tho always smiling. js the tests bro sheesh.\",\"course_id\":\"STAT 340\",\"date\":\"2026-03-24 15:18:24 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"a8dbeaf1f1411eb39b0a49fd\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTQyNzMwOTMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"The statistics department is poor quality, and Bi has a good contribution to it. I had a good impression of him, as he is nice. But as time passed, he became rude to students, he deletes piazza comments, and just reads off slides. He offers no help for exam preparation either while the other classes get review guides. Something needs to change. \",\"course_id\":\"STAT 340\",\"date\":\"2026-03-26 07:39:11 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"5329c6bde1d3675c551ab777\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyNzQwOTc4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"Lectures are worthless, many of them only took 60% of the allotted time. With tough materials such as present in STAT340, she should really be taking the full amount of time. Lectures were mostly her reading off slides. Little to no in-class examples done. Exams were written in a gotcha manner and did not match lecture difficulty well.\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-15 21:20:30 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"af400bc4a2b738f690f169d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODQ2MDI1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Lecture is just her reading off the slides, she provides no meaningful examples to deepen your understanding of the material, and the homework is absolutely nothing like the exams. She cannot convey the material clearly and in a manner that makes it easier to understand. SAVE YOUR GPA AND AVOID HER CLASSES. Don't make the same mistake I made. \",\"course_id\":\"STAT 340\",\"date\":\"2026-04-16 18:27:55 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"3e1998c064d2526357e261a8\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODUzMzMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Very difficult tests compared to others. Extremely rude during testing or general conversation if he thinks a mistake has been made. Does not want to believe the student if he has thought of something to be true. Does not give any chance, super strict with everything, so be careful and don't even think of making a mistake by mistake\",\"course_id\":\"STAT 340\",\"date\":\"2026-08-07 21:11:09 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"b787228b81c1f58938903f35\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMzUzMTUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"}],\"evidence_count\":13,\"review_ids\":[\"421022dd8603746b39a695cd\",\"786c72b8f877fb7ac1dbe4f9\",\"ef9ee8ef901efcb53cbb3667\",\"2946ae26431cf1e4623fb670\",\"2e24294e301b6d7b9740633e\",\"2caf4d243c730a0514f9cd4c\",\"18bd207c2699971b94dcf0ed\",\"2f349bd8d8a4e489cf209fd0\",\"a8dbeaf1f1411eb39b0a49fd\",\"5329c6bde1d3675c551ab777\",\"af400bc4a2b738f690f169d1\",\"3e1998c064d2526357e261a8\",\"b787228b81c1f58938903f35\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1801396\",\"name\":\"Karl Rohe\"},{\"id\":\"rmp:2726941\",\"name\":\"Keith Levin\"},{\"id\":\"rmp:2772143\",\"name\":\"Bi Cheng Wu\"},{\"id\":\"rmp:2835672\",\"name\":\"Brian Powers\"},{\"id\":\"rmp:3010926\",\"name\":\"Yongyi Guo\"},{\"id\":\"rmp:3089686\",\"name\":\"Sahifa Siddiqua\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2020\"},\"sentiment\":\"negative\",\"summary\":\"Assessments are extremely difficult, have high curves, and bear little relation to homework or lectures.\"},{\"aspect\":\"organization\",\"evidence\":[{\"comment\":\"HE IS BAD! Don't take him, the class was highly disorganized, the information about the exam was given on the exam day. there is not structure to this class, no explanation. He is just bad. RUN DONT TAKE HIM\",\"course_id\":\"STAT 340\",\"date\":\"2021-05-05 00:08:36 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"720e89db0eca2072fc007e3b\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NzA1NTU1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"Not the worst guy, he seems to be passionate and knowledgeable but he's very scatter-minded and the course is very disorganized. He does ramble a bit too much on topics irrelevant to the class but this class isn't the worst.\",\"course_id\":\"STAT 340\",\"date\":\"2021-05-21 03:41:27 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"263caadde45d9af4a4e03c39\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM0ODM2MzEy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"Worst class I have taken in college. It is a complete mess. We do all of our assignments in R and then take the hardest exam known to man on paper -- we got 50 minutes to do it which was no where near the amount of time we should have been given to complete that monstrosity. Given the amount paid in tuition here, this course needs a re-evaluation. \",\"course_id\":\"STAT 340\",\"date\":\"2025-05-03 16:49:48 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2caf4d243c730a0514f9cd4c\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQxMTQ0Njk5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"I've never seen a professor as unprepared as Dr. Sahifa. She teaches off Dr. Powers' slides and it feels like it's her first time seeing them. I get dizzy as she keeps scrolling up and down slides, and often hand-writes equations that are already on the slides before realizing they're already there. She often skips past material without realizing.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-15 21:03:49 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"d26592f5978781f451f5d876\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMjY2MTA3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"The statistics department is poor quality, and Bi has a good contribution to it. I had a good impression of him, as he is nice. But as time passed, he became rude to students, he deletes piazza comments, and just reads off slides. He offers no help for exam preparation either while the other classes get review guides. Something needs to change. \",\"course_id\":\"STAT 340\",\"date\":\"2026-03-26 07:39:11 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"5329c6bde1d3675c551ab777\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyNzQwOTc4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"Lectures are worthless, many of them only took 60% of the allotted time. With tough materials such as present in STAT340, she should really be taking the full amount of time. Lectures were mostly her reading off slides. Little to no in-class examples done. Exams were written in a gotcha manner and did not match lecture difficulty well.\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-15 21:20:30 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"af400bc4a2b738f690f169d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODQ2MDI1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Lecture is just her reading off the slides, she provides no meaningful examples to deepen your understanding of the material, and the homework is absolutely nothing like the exams. She cannot convey the material clearly and in a manner that makes it easier to understand. SAVE YOUR GPA AND AVOID HER CLASSES. Don't make the same mistake I made. \",\"course_id\":\"STAT 340\",\"date\":\"2026-04-16 18:27:55 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"3e1998c064d2526357e261a8\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODUzMzMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Comparing her slides to the other professor's just showed me how much difficulty she added to the class because of her teaching style. The entire time, she would just be reading massive blocks of R code or reading formulas instead of saying anything useful or informative. She is a very nice woman, but I would definitely avoid her class.\",\"course_id\":\"STAT 340\",\"date\":\"2026-05-08 01:49:38 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"1bb01f79e11a9722089969d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMDY2OTgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"}],\"evidence_count\":8,\"review_ids\":[\"720e89db0eca2072fc007e3b\",\"263caadde45d9af4a4e03c39\",\"2caf4d243c730a0514f9cd4c\",\"d26592f5978781f451f5d876\",\"5329c6bde1d3675c551ab777\",\"af400bc4a2b738f690f169d1\",\"3e1998c064d2526357e261a8\",\"1bb01f79e11a9722089969d1\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1801396\",\"name\":\"Karl Rohe\"},{\"id\":\"rmp:2772143\",\"name\":\"Bi Cheng Wu\"},{\"id\":\"rmp:2835672\",\"name\":\"Brian Powers\"},{\"id\":\"rmp:3010926\",\"name\":\"Yongyi Guo\"},{\"id\":\"rmp:3089686\",\"name\":\"Sahifa Siddiqua\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2021\"},\"sentiment\":\"negative\",\"summary\":\"The course is highly disorganized with no clear structure. Instructors are often unprepared or skip material.\"},{\"aspect\":\"workload\",\"evidence\":[{\"comment\":\"I feel very unhappy taking his class. He gave harsh comment on homework. I know I did wrong, and I totally accept comment like "completely wrong". But please could you provide any helpful explanations? Receiving zero for a problem and only getting a comment of "completely wrong" is just meaningless.\",\"course_id\":\"STAT 340\",\"date\":\"2021-12-19 22:47:10 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"786c72b8f877fb7ac1dbe4f9\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM1NjAwMDAx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"Bi himself is very caring and understanding. He is very lenient towards late work and is very accommodating to any students who run into issues while taking his course. The one problem with Bi is that there were very few projects and homework-so while you might think it is a good thing, it makes studying for exams and being prepared very difficult.\",\"course_id\":\"STAT 340\",\"date\":\"2022-08-09 20:12:40 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"ef9ee8ef901efcb53cbb3667\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTM2NTc0ODAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"Worst class I have taken in college. It is a complete mess. We do all of our assignments in R and then take the hardest exam known to man on paper -- we got 50 minutes to do it which was no where near the amount of time we should have been given to complete that monstrosity. Given the amount paid in tuition here, this course needs a re-evaluation. \",\"course_id\":\"STAT 340\",\"date\":\"2025-05-03 16:49:48 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2caf4d243c730a0514f9cd4c\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQxMTQ0Njk5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"tests so hard bro. not even like the midterms. that curve be super high. he a nice jolly chill guy tho always smiling. js the tests bro sheesh.\",\"course_id\":\"STAT 340\",\"date\":\"2026-03-24 15:18:24 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"a8dbeaf1f1411eb39b0a49fd\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTQyNzMwOTMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"Very difficult tests compared to others. Extremely rude during testing or general conversation if he thinks a mistake has been made. Does not want to believe the student if he has thought of something to be true. Does not give any chance, super strict with everything, so be careful and don't even think of making a mistake by mistake\",\"course_id\":\"STAT 340\",\"date\":\"2026-08-07 21:11:09 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"b787228b81c1f58938903f35\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMzUzMTUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"}],\"evidence_count\":5,\"review_ids\":[\"786c72b8f877fb7ac1dbe4f9\",\"ef9ee8ef901efcb53cbb3667\",\"2caf4d243c730a0514f9cd4c\",\"a8dbeaf1f1411eb39b0a49fd\",\"b787228b81c1f58938903f35\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2726941\",\"name\":\"Keith Levin\"},{\"id\":\"rmp:2772143\",\"name\":\"Bi Cheng Wu\"},{\"id\":\"rmp:2835672\",\"name\":\"Brian Powers\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2021\"},\"sentiment\":\"negative\",\"summary\":\"Students spend hours on homework with little grade impact. Exams are extremely difficult with insufficient time.\"},{\"aspect\":\"projects\",\"evidence\":[{\"comment\":\"Karl was a nice guy, but his lectures were quite boring. The midterm was based off of the homework, but I wish that we were given a few practice problems. The group project is pretty important for your grade, so make sure you do well on that. Overall, this was the first time that this class was taught so I'd say he did a pretty decent job with it.\",\"course_id\":\"STAT 340\",\"date\":\"2020-05-18 19:29:09 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"421022dd8603746b39a695cd\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTMzMzI1MzAy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"Bi himself is very caring and understanding. He is very lenient towards late work and is very accommodating to any students who run into issues while taking his course. The one problem with Bi is that there were very few projects and homework-so while you might think it is a good thing, it makes studying for exams and being prepared very difficult.\",\"course_id\":\"STAT 340\",\"date\":\"2022-08-09 20:12:40 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"ef9ee8ef901efcb53cbb3667\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTM2NTc0ODAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"}],\"evidence_count\":2,\"review_ids\":[\"421022dd8603746b39a695cd\",\"ef9ee8ef901efcb53cbb3667\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1801396\",\"name\":\"Karl Rohe\"},{\"id\":\"rmp:2772143\",\"name\":\"Bi Cheng Wu\"}],\"review_year_end\":\"2022\",\"review_year_start\":\"2020\"},\"sentiment\":\"mixed\",\"summary\":\"Some note group projects are important, while others complain about a lack of projects and homework.\"},{\"aspect\":\"overall\",\"evidence\":[{\"comment\":\"HE IS BAD! Don't take him, the class was highly disorganized, the information about the exam was given on the exam day. there is not structure to this class, no explanation. He is just bad. RUN DONT TAKE HIM\",\"course_id\":\"STAT 340\",\"date\":\"2021-05-05 00:08:36 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"720e89db0eca2072fc007e3b\",\"instructor_id\":\"rmp:1801396\",\"instructor_name\":\"Karl Rohe\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NzA1NTU1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1801396\"},{\"comment\":\"He is rude and unreachable. I had questions from my exam. So, I went to his office hour, waited for half hour just for a short explanation. He told me there are so many people waiting outside for more important questions, started to yell at me, and looked at me with impatience. I left the office hour without asking the other more important question\",\"course_id\":\"STAT 340\",\"date\":\"2021-11-11 05:39:53 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"bfa36301f40fad76505e95eb\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM1MjI0MTkx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"I feel very unhappy taking his class. He gave harsh comment on homework. I know I did wrong, and I totally accept comment like "completely wrong". But please could you provide any helpful explanations? Receiving zero for a problem and only getting a comment of "completely wrong" is just meaningless.\",\"course_id\":\"STAT 340\",\"date\":\"2021-12-19 22:47:10 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"786c72b8f877fb7ac1dbe4f9\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM1NjAwMDAx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"I'M NEW HERE, ARE YOU BORED OR CONFUSED??? OH SORRY, SHOULD I SAY THE SAME THING BUT LOUDER!?!? Really bad at lecturing, and says the same thing mentioned above over and over and over. \",\"course_id\":\"STAT 340\",\"date\":\"2022-11-11 00:30:14 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"dc957f4d04d644004ff8cdfb\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM2ODE0NzU0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"Exams are weighted heavily. I spent hours on homework, yet they hardly influenced grade. Lectures are dry and equation heavy and he makes you feel dumb. To quote him, \\\"Skipping class is the bestcase scenario. I get to work on research.\\\" Obvious contempt for the field of teaching and complains about his salary and when you don't laugh at his jokes.\",\"course_id\":\"STAT 340\",\"date\":\"2022-12-20 18:19:37 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"894f2f1df2c7ef6cda69bac9\",\"instructor_id\":\"rmp:2726941\",\"instructor_name\":\"Keith Levin\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM3MjAzMzMy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2726941\"},{\"comment\":\"His grade threshold is higher than other sections, having exact same hws and exams. He thinks it's because he's good at teaching. But he simply don't know he's so bad at teaching so that some students go ask other sections about exam questions prior to taking it. His exam is one day later but we all have the exact same exam questions.\",\"course_id\":\"STAT 340\",\"date\":\"2023-12-28 05:29:47 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2e24294e301b6d7b9740633e\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM4ODAzMTE5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"Worst class I have taken in college. It is a complete mess. We do all of our assignments in R and then take the hardest exam known to man on paper -- we got 50 minutes to do it which was no where near the amount of time we should have been given to complete that monstrosity. Given the amount paid in tuition here, this course needs a re-evaluation. \",\"course_id\":\"STAT 340\",\"date\":\"2025-05-03 16:49:48 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2caf4d243c730a0514f9cd4c\",\"instructor_id\":\"rmp:2835672\",\"instructor_name\":\"Brian Powers\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQxMTQ0Njk5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\"},{\"comment\":\"Quite possibly the worst professor I have ever had. Lecture notes are illegible and ridden with typos. She seems to not really know how to teach in general and just assigned a random class. She also seems to make no effort to learn how to use her technology properly and switches between screens so rapidly that I get dizzy. \",\"course_id\":\"STAT 340\",\"date\":\"2025-09-19 20:47:10 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"2e7628fbb0a95e9fe8aed5ee\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQxNjUzNjc4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"Knowledgeable in the material but very poor explanations during lecture. Poor handwriting and subpar explanations of concepts. Also the homework and discussion assignments have basically nothing to do with the exams. \",\"course_id\":\"STAT 340\",\"date\":\"2025-12-12 17:25:55 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"6adfcc44aa9efc244dcb1d2b\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQyMjA4NjA3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"I've never seen a professor as unprepared as Dr. Sahifa. She teaches off Dr. Powers' slides and it feels like it's her first time seeing them. I get dizzy as she keeps scrolling up and down slides, and often hand-writes equations that are already on the slides before realizing they're already there. She often skips past material without realizing.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-15 21:03:49 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"d26592f5978781f451f5d876\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMjY2MTA3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"The exam has no relations to her lecture, slides, and practice exam. She put stuffs that never mentioned in class in the final without explanation. Also her hand writing is awful that you can't review and understand the annotated slides. And the exam environment is awful because she didn't book enough room for all students.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-16 15:05:57 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"18bd207c2699971b94dcf0ed\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMjgzMzk0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"Does not teach anything related to the exams. Has no clue what a rubric is, or how it works. Changes the syllabus for grading as and when she feels like it. Incredibly inefficient when it comes to practicing actual questions or problems related to exams. If possible don't take it with her. Honestly for me the worst professor in the stat department.\",\"course_id\":\"STAT 340\",\"date\":\"2025-12-20 07:24:49 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"2f349bd8d8a4e489cf209fd0\",\"instructor_id\":\"rmp:3089686\",\"instructor_name\":\"Sahifa Siddiqua\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyMzU4MDcy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3089686\"},{\"comment\":\"The statistics department is poor quality, and Bi has a good contribution to it. I had a good impression of him, as he is nice. But as time passed, he became rude to students, he deletes piazza comments, and just reads off slides. He offers no help for exam preparation either while the other classes get review guides. Something needs to change. \",\"course_id\":\"STAT 340\",\"date\":\"2026-03-26 07:39:11 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"5329c6bde1d3675c551ab777\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyNzQwOTc4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"No point in wasting your time, she just reads off the slides.\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-13 22:07:40 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"80cc7c64c2c238059233e84a\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODI3NTM0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Lectures are worthless, many of them only took 60% of the allotted time. With tough materials such as present in STAT340, she should really be taking the full amount of time. Lectures were mostly her reading off slides. Little to no in-class examples done. Exams were written in a gotcha manner and did not match lecture difficulty well.\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-15 21:20:30 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"af400bc4a2b738f690f169d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODQ2MDI1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Lecture is just her reading off the slides, she provides no meaningful examples to deepen your understanding of the material, and the homework is absolutely nothing like the exams. She cannot convey the material clearly and in a manner that makes it easier to understand. SAVE YOUR GPA AND AVOID HER CLASSES. Don't make the same mistake I made. \",\"course_id\":\"STAT 340\",\"date\":\"2026-04-16 18:27:55 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"3e1998c064d2526357e261a8\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODUzMzMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Bad teaching style. \",\"course_id\":\"STAT 340\",\"date\":\"2026-04-17 07:25:19 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"3e3acba7ad5cd3845f3ba360\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyODU4NDEx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"},{\"comment\":\"zhe jie ke zen me zhe me nan\",\"course_id\":\"STAT 340\",\"date\":\"2026-04-24 01:32:26 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"e3faf7e08797242928118106\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQyOTIwMjU0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Comparing her slides to the other professor's just showed me how much difficulty she added to the class because of her teaching style. The entire time, she would just be reading massive blocks of R code or reading formulas instead of saying anything useful or informative. She is a very nice woman, but I would definitely avoid her class.\",\"course_id\":\"STAT 340\",\"date\":\"2026-05-08 01:49:38 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"1bb01f79e11a9722089969d1\",\"instructor_id\":\"rmp:3010926\",\"instructor_name\":\"Yongyi Guo\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMDY2OTgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\"},{\"comment\":\"Very difficult tests compared to others. Extremely rude during testing or general conversation if he thinks a mistake has been made. Does not want to believe the student if he has thought of something to be true. Does not give any chance, super strict with everything, so be careful and don't even think of making a mistake by mistake\",\"course_id\":\"STAT 340\",\"date\":\"2026-08-07 21:11:09 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"b787228b81c1f58938903f35\",\"instructor_id\":\"rmp:2772143\",\"instructor_name\":\"Bi Cheng Wu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTQzMzUzMTUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\"}],\"evidence_count\":20,\"review_ids\":[\"720e89db0eca2072fc007e3b\",\"bfa36301f40fad76505e95eb\",\"786c72b8f877fb7ac1dbe4f9\",\"dc957f4d04d644004ff8cdfb\",\"894f2f1df2c7ef6cda69bac9\",\"2e24294e301b6d7b9740633e\",\"2caf4d243c730a0514f9cd4c\",\"2e7628fbb0a95e9fe8aed5ee\",\"6adfcc44aa9efc244dcb1d2b\",\"d26592f5978781f451f5d876\",\"18bd207c2699971b94dcf0ed\",\"2f349bd8d8a4e489cf209fd0\",\"5329c6bde1d3675c551ab777\",\"80cc7c64c2c238059233e84a\",\"af400bc4a2b738f690f169d1\",\"3e1998c064d2526357e261a8\",\"3e3acba7ad5cd3845f3ba360\",\"e3faf7e08797242928118106\",\"1bb01f79e11a9722089969d1\",\"b787228b81c1f58938903f35\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1801396\",\"name\":\"Karl Rohe\"},{\"id\":\"rmp:2726941\",\"name\":\"Keith Levin\"},{\"id\":\"rmp:2772143\",\"name\":\"Bi Cheng Wu\"},{\"id\":\"rmp:2835672\",\"name\":\"Brian Powers\"},{\"id\":\"rmp:3010926\",\"name\":\"Yongyi Guo\"},{\"id\":\"rmp:3089686\",\"name\":\"Sahifa Siddiqua\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2021\"},\"sentiment\":\"negative\",\"summary\":\"Overall sentiment is negative, with students describing the class as a mess and advising others to avoid it.\"}]}","candidate_json":null,"error":null,"model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":true},{"run_id":"20260907T155543-ce3781c4","observed_at":"2026-09-07 15:55:43.033547+00:00","course_uid":"course_d2d0c15e32bd1631a6074548","course_id":"STAT 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that lectures are boring and exams are difficult with poor alignment to homework. Students also cite poor communication, demeaning office hours, and disorganized feedback.\"},{\"citations\":[{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1252\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":3,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1252\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":4,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1252\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":3,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":4,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":3,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"}],\"text\":\"Recent recorded grades — Fall 2024: 3.04 GPA, 39.2% A/AB (n=301 letter grades); Spring 2025: 2.96 GPA, 36.7% A/AB (n=207 letter grades); Spring 2026: 2.85 GPA, 37.0% A/AB (n=138 letter grades).\"}]},{\"instructor_uid\":\"instructor_b87779c096c1e7569483fa4b\",\"message\":null,\"name\":\"Brian Powers\",\"review_status\":\"supported\",\"rmp_instructor_id\":\"rmp:2835672\",\"summary\":[{\"citations\":[{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2023-12-22 18:18:00 +0000 UTC\",\"review_id\":\"cb1e591f590e90ccb0c0b795\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTM4Nzc3Mjg4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2024-11-15 02:05:19 +0000 UTC\",\"review_id\":\"65238a80a6d43ba5889c4f59\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTM5OTU0MzU0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2024-12-19 03:39:30 +0000 UTC\",\"review_id\":\"a82ffb54f6fb80a0cb2f8644\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTQwMzc1OTQx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2025-12-03 21:10:36 +0000 UTC\",\"review_id\":\"f007cffeb921384c82eb30fb\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTQyMDE5ODgz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"}],\"text\":\"Brian Powers is approachable, caring, and a clear explainer who answers questions thoroughly and maintains organized Canvas resources. Reviewers appreciate his passion and helpfulness during office hours, noting he is a standout compared to other department instructors.\"},{\"citations\":[{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2023-12-21 17:46:44 +0000 UTC\",\"review_id\":\"2946ae26431cf1e4623fb670\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTM4NzY3NjE3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2024-01-03 19:32:54 +0000 UTC\",\"review_id\":\"8fd5954a9731d04acbd8c802\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTM4ODI2MTYy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2025-01-27 15:45:49 +0000 UTC\",\"review_id\":\"98334dea3d6e4498211ba728\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTQwNjA3MjQz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2025-03-27 19:27:37 +0000 UTC\",\"review_id\":\"dd42c725b8e4c483f51de7ae\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTQwODI4Nzk0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2025-05-03 16:49:48 +0000 UTC\",\"review_id\":\"2caf4d243c730a0514f9cd4c\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTQxMTQ0Njk5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2026-03-24 15:18:24 +0000 UTC\",\"review_id\":\"a8dbeaf1f1411eb39b0a49fd\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTQyNzMwOTMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"}],\"text\":\"Critics report that lectures are tangential or unclear, and exams are unfairly difficult with little alignment to homework. Some students found the tests excessively hard and the course structure poorly designed, leading to frustration despite the professor's personal kindness.\"},{\"citations\":[{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1262\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"}],\"text\":\"Recent recorded grades — Spring 2025: 2.91 GPA, 34.3% A/AB (n=245 letter grades); Fall 2025: 3.00 GPA, 36.9% A/AB (n=198 letter grades); Spring 2026: 2.84 GPA, 35.9% A/AB (n=92 letter grades).\"}]}],\"difficulty_workload\":[{\"citations\":[{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2023-12-21 17:46:44 +0000 UTC\",\"review_id\":\"2946ae26431cf1e4623fb670\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTM4NzY3NjE3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2024-01-03 19:32:54 +0000 UTC\",\"review_id\":\"8fd5954a9731d04acbd8c802\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTM4ODI2MTYy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2024-12-19 03:39:30 +0000 UTC\",\"review_id\":\"a82ffb54f6fb80a0cb2f8644\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTQwMzc1OTQx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2025-03-27 19:27:37 +0000 UTC\",\"review_id\":\"dd42c725b8e4c483f51de7ae\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTQwODI4Nzk0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2025-05-03 16:49:48 +0000 UTC\",\"review_id\":\"2caf4d243c730a0514f9cd4c\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTQxMTQ0Njk5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2026-03-24 15:18:24 +0000 UTC\",\"review_id\":\"a8dbeaf1f1411eb39b0a49fd\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTQyNzMwOTMw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"}],\"text\":\"Reviewers consistently report that exams are extremely difficult, often unrelated to lectures or homework, with low averages and insufficient time for paper-based tests.\"}],\"errors\":[],\"historical_context\":[{\"citations\":[{\"instructor_name\":\"Yongyi Guo\",\"review_date\":\"2024-05-06 16:27:34 +0000 UTC\",\"review_id\":\"c542b8a0476e481550d3f358\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:3010926\",\"source_review_id\":\"UmF0aW5nLTM5Mzc3NjQy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/3010926\",\"type\":\"review\"}],\"text\":\"Historical reviews of Yongyi Guo: Bi Cheng Wu is preferred over current instructor Yongyi Guo for live coding instruction, though Guo's exams are considered fair and not too difficult. Recorded lectures and notes are available, reducing the necessity of attendance.\"}],\"message\":null,\"offered\":true,\"profile_hash\":\"e59ddc7389015d0035b68cd195c939d475bf72b959b29cf12eab59b454ccaef1\",\"quick_take\":[{\"citations\":[{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2023-12-22 18:18:00 +0000 UTC\",\"review_id\":\"cb1e591f590e90ccb0c0b795\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTM4Nzc3Mjg4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2024-11-15 02:05:19 +0000 UTC\",\"review_id\":\"65238a80a6d43ba5889c4f59\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTM5OTU0MzU0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2024-12-19 03:39:30 +0000 UTC\",\"review_id\":\"a82ffb54f6fb80a0cb2f8644\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTQwMzc1OTQx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"},{\"instructor_name\":\"Brian Powers\",\"review_date\":\"2025-12-03 21:10:36 +0000 UTC\",\"review_id\":\"f007cffeb921384c82eb30fb\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2835672\",\"source_review_id\":\"UmF0aW5nLTQyMDE5ODgz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2835672\",\"type\":\"review\"}],\"text\":\"Brian Powers is praised as a caring, approachable lecturer who explains concepts well and provides fair exams, though some find the course design challenging.\"},{\"citations\":[{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1262\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"}],\"text\":\"Recent recorded grades — Spring 2025: 2.94 GPA, 35.4% A/AB (n=452 letter grades); Fall 2025: 3.04 GPA, 37.6% A/AB (n=399 letter grades); Spring 2026: 2.83 GPA, 36.1% A/AB (n=416 letter grades).\"}],\"student_experience\":[{\"citations\":[{\"instructor_name\":\"Bi Cheng Wu\",\"review_date\":\"2022-08-09 20:12:40 +0000 UTC\",\"review_id\":\"ef9ee8ef901efcb53cbb3667\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2772143\",\"source_review_id\":\"UmF0aW5nLTM2NTc0ODAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\",\"type\":\"review\"},{\"instructor_name\":\"Bi Cheng Wu\",\"review_date\":\"2023-12-21 21:20:44 +0000 UTC\",\"review_id\":\"8e6d25d2cf6de96583ca1a85\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2772143\",\"source_review_id\":\"UmF0aW5nLTM4NzY5OTg3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\",\"type\":\"review\"},{\"instructor_name\":\"Bi Cheng Wu\",\"review_date\":\"2024-01-24 14:11:13 +0000 UTC\",\"review_id\":\"a027d8765cb13b7bc3bbb8fa\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2772143\",\"source_review_id\":\"UmF0aW5nLTM4OTE5NDE4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\",\"type\":\"review\"},{\"instructor_name\":\"Bi Cheng Wu\",\"review_date\":\"2024-09-03 01:38:42 +0000 UTC\",\"review_id\":\"dbd90d1c40abf34099114bd4\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2772143\",\"source_review_id\":\"UmF0aW5nLTM5NzIwNDUx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\",\"type\":\"review\"},{\"instructor_name\":\"Bi Cheng Wu\",\"review_date\":\"2025-04-11 20:38:29 +0000 UTC\",\"review_id\":\"8aaf8f99a31fd92623888e7f\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2772143\",\"source_review_id\":\"UmF0aW5nLTQwOTIyNDE2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\",\"type\":\"review\"},{\"instructor_name\":\"Bi Cheng Wu\",\"review_date\":\"2025-05-15 16:06:50 +0000 UTC\",\"review_id\":\"2a02190920868ee5a73bc41d\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2772143\",\"source_review_id\":\"UmF0aW5nLTQxMjkzMjQ4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\",\"type\":\"review\"},{\"instructor_name\":\"Bi Cheng Wu\",\"review_date\":\"2026-04-11 06:35:20 +0000 UTC\",\"review_id\":\"d856d825caab4a60e403fcae\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2772143\",\"source_review_id\":\"UmF0aW5nLTQyODE2MTk2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\",\"type\":\"review\"},{\"instructor_name\":\"Bi Cheng Wu\",\"review_date\":\"2026-04-17 07:20:48 +0000 UTC\",\"review_id\":\"2b55de9ff2721c0fc190716f\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2772143\",\"source_review_id\":\"UmF0aW5nLTQyODU4NDAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\",\"type\":\"review\"},{\"instructor_name\":\"Bi Cheng Wu\",\"review_date\":\"2026-04-17 07:43:26 +0000 UTC\",\"review_id\":\"438cbf1512fde7b5bb396be2\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2772143\",\"source_review_id\":\"UmF0aW5nLTQyODU4NDU0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\",\"type\":\"review\"},{\"instructor_name\":\"Bi Cheng Wu\",\"review_date\":\"2026-08-07 21:11:09 +0000 UTC\",\"review_id\":\"b787228b81c1f58938903f35\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2772143\",\"source_review_id\":\"UmF0aW5nLTQzMzUzMTUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2772143\",\"type\":\"review\"}],\"text\":\"Bi Cheng Wu receives mixed reviews; while some find him lenient and patient, others criticize his disorganized lectures, vague feedback, and poor communication.\"}],\"task_hash\":\"74fb0997943e888960bbc9e47db8c4fd12e4292d55c20509d8d89db6a9910f68\",\"teaching_history\":[{\"citations\":[{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1222\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1224\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1224\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1234\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1242\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":4,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1244\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1252\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":3,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1252\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":4,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1252\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":3,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":4,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":3,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"}],\"text\":\"BI CHENG WU is recorded teaching in Fall 2021, Spring 2022, Spring 2023, Fall 2023, Spring 2024, Fall 2024, Spring 2025, Spring 2026. Recorded history may be incomplete and does not establish a future schedule.\"},{\"citations\":[{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1234\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1242\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":3,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1242\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1244\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1244\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1252\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1262\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"}],\"text\":\"BRIAN POWERS is recorded teaching in Spring 2023, Fall 2023, Spring 2024, Fall 2024, Spring 2025, Fall 2025, Spring 2026. Recorded history may be incomplete and does not establish a future schedule.\"},{\"citations\":[{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1204\",\"type\":\"grade\"}],\"text\":\"KARL ROHE is recorded teaching in Spring 2020. Recorded history may be incomplete and does not establish a future schedule.\"},{\"citations\":[{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1222\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1232\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1232\",\"type\":\"grade\"}],\"text\":\"KEITH LEVIN is recorded teaching in Fall 2021, Fall 2022. Recorded history may be incomplete and does not establish a future schedule.\"},{\"citations\":[{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1262\",\"type\":\"grade\"}],\"text\":\"SAHIFA SIDDIQUA is recorded teaching in Fall 2025. Recorded history may be incomplete and does not establish a future schedule.\"},{\"citations\":[{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":3,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1244\",\"type\":\"grade\"},{\"course_id\":\"STAT 340\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"source_record\":{\"entity_id\":\"242146b5-479f-322b-be16-3d6db51cbb2d\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"}],\"text\":\"YONGYI GUO is recorded teaching in Spring 2024, Spring 2026. Recorded history may be incomplete and does not establish a future schedule.\"}],\"term_id\":\"1272\",\"term_name\":\"2026 Fall\",\"version\":2}","candidate_json":null,"error":null,"model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":true}]