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Definitely not by my choice. So so boring. So hard to sit through lectures. Tests were not that hard but very low preparation and guidance was offered beforehand.","source_url":"https://www.ratemyprofessors.com/professor/2592851","quality_rating":1,"difficulty_rating":3},{"observed_at":"2026-09-07 16:00:40.429510+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQxMjUzOTk3","source_instructor_id":"rmp:2592851","instructor_name":"Tina Xu","course_label":"ISYE313","course_id":"ISYE 313","course_uid":"course_465855ee8f77f31be2f79f78","review_date":"2025-05-12 17:45:02 +0000 UTC","comment":"Prof Xu does not have particularly interesting lectures, and she does not deliver them with much passion. However, they are very organized, and contain all the info you need to complete the HWs and do well on the exams. The HWs are straightforward, the project was mostly graded on completion, and exams were open note. 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Would never recommend to anyone.","source_url":"https://www.ratemyprofessors.com/professor/2592851","quality_rating":1,"difficulty_rating":3},{"observed_at":"2026-09-07 16:00:40.429510+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQwMzc2MTEx","source_instructor_id":"rmp:2592851","instructor_name":"Tina Xu","course_label":"ISYE412","course_id":"ISYE 412","course_uid":"course_4e8831b837f359daa4b2cadc","review_date":"2024-12-19 03:48:47 +0000 UTC","comment":"I really enjoyed ISYE 412 with Tina. Her grading is clear, and the exams are exactly what she outlines they will be. While lectures can be dull and include unnecessary information, Tina is both intelligent and likeable. This course is a very easy A if you actually study for the exams and spend a little bit of time on the HW.","source_url":"https://www.ratemyprofessors.com/professor/2592851","quality_rating":4,"difficulty_rating":2},{"observed_at":"2026-09-07 16:00:40.429510+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM5NDQ1OTYy","source_instructor_id":"rmp:2592851","instructor_name":"Tina Xu","course_label":"ISYE312","course_id":"ISYE 312","course_uid":"course_5b7e840b49cedb60a91edc99","review_date":"2024-05-13 00:39:04 +0000 UTC","comment":"Her lectures are boring and tough to sit through, but the class wasn't that hard. Homework was similar to the problems in class, she offered up to 3% extra credit for going to lecture, and the group project was relatively easy. 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