# Yazhen Wang — Courses & Reviews | UW–Madison [View on UW Courses](https://uwcourses.com/instructors/YAZHEN_WANG) ## Dataset ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ### repository twangodev/uwcourses ### schema version 6 ### importer version 7 ### projection id 52a78527ff09011d88cb04c7d43867d9fbfec2930bf1dd2ec359ebd2844e0b07 ### observed at 2026-09-07T15:55:43.033547+00:00 ### built at 2026-09-10T19:50:42.743001+00:00 ### courses 8951 ### current instructors 5754 ### limited false ### terms * 1272 * 1264 * 1262 * 1254 * 1252 * 1244 * 1242 * 1234 * 1232 * 1224 * 1222 * 1212 * 1204 * 1202 * 1194 * 1192 * 1184 * 1182 * 1174 * 1172 * 1164 * 1162 * 1154 * 1152 * 1144 * 1142 * 1134 * 1132 * 1124 * 1122 * 1114 * 1112 * 1104 * 1102 * 1094 * 1092 * 1084 * 1082 * 1074 * 1072 ### term 1272 ### departments | subject | count | | --------- | ----- | | AAE | 90 | | ABT | 20 | | ACCTIS | 36 | | ACTSCI | 14 | | AFAERO | 10 | | AFRICAN | 87 | | AFROAMER | 71 | | AGROECOL | 21 | | AMERIND | 53 | | ANAT\&PHY | 7 | | ANATOMY | 2 | | ANESTHES | 8 | | ANSCI | 57 | | ANTHRO | 95 | | ART | 125 | | ARTED | 10 | | ARTHIST | 121 | | ASIALANG | 129 | | ASIAN | 109 | | ASIANAM | 28 | | ASTRON | 38 | | ATMOCN | 69 | | BIOCHEM | 51 | | BIOCORE | 10 | | BIOLOGY | 14 | | BIOMDSCI | 18 | | BME | 66 | | BMI | 41 | | BMOLCHEM | 10 | | BOTANY | 69 | | BSE | 44 | | C\&ESOC | 73 | | CBE | 48 | | CHEM | 101 | | CHICLA | 52 | | CIVENGR | 133 | | CLASSICS | 47 | | CNP | 10 | | CNSRSCI | 50 | | COMARTS | 137 | | COMPBIO | 15 | | COMPLIT | 11 | | COMPSCI | 138 | | COUNPSY | 78 | | CRB | 19 | | CS\&D | 71 | | CSCS | 40 | | CURRIC | 193 | | DANCE | 93 | | DERM | 8 | | DS | 88 | | DYSCI | 35 | | ECE | 155 | | ECON | 145 | | EDPOL | 114 | | EDPSYCH | 97 | | ELPA | 70 | | EMA | 53 | | EMERMED | 17 | | ENGL | 206 | | ENTOM | 40 | | ENVIRST | 148 | | EP | 15 | | EPD | 67 | | ESL | 16 | | F\&WECOL | 60 | | FAMMED | 22 | | FINANCE | 50 | | FOLKLORE | 40 | | FOODSCI | 43 | | FRENCH | 63 | | GEN\&WS | 145 | | GENBUS | 72 | | GENECSLR | 17 | | GENETICS | 60 | | GEOG | 113 | | GEOSCI | 83 | | GERMAN | 82 | | GLE | 48 | | GNS | 38 | | GREEK | 27 | | HDFS | 41 | | HEBR-BIB | 13 | | HEBR-MOD | 10 | | HISTORY | 233 | | HISTSCI | 56 | | HONCOL | 13 | | ILS | 43 | | INFOSYS | 9 | | INTEGART | 7 | | INTEGSCI | 22 | | INTER-AG | 18 | | INTER-HE | 11 | | INTER-LS | 22 | | INTEREGR | 16 | | INTLBUS | 21 | | INTLST | 50 | | ISYE | 83 | | ITALIAN | 53 | | JEWISH | 56 | | JOURN | 88 | | KINES | 128 | | LACIS | 26 | | LANDARC | 61 | | LATIN | 24 | | LAW | 120 | | LEGALST | 48 | | LINGUIS | 35 | | LIS | 89 | | LITTRANS | 78 | | LSC | 52 | | M\&ENVTOX | 7 | | MARKETNG | 62 | | MATH | 153 | | MDGENET | 8 | | ME | 130 | | MEDHIST | 43 | | MEDICINE | 60 | | MEDIEVAL | 32 | | MEDPHYS | 39 | | MEDSC-M | 29 | | MEDSC-V | 41 | | MHR | 68 | | MICROBIO | 45 | | MILSCI | 16 | | MM\&I | 22 | | MOLBIOL | 6 | | MS\&E | 59 | | MUSIC | 165 | | MUSPERF | 126 | | NAVSCI | 20 | | NE | 44 | | NEURODPT | 11 | | NEUROL | 7 | | NEURSURG | 4 | | NTP | 11 | | NURSING | 111 | | NUTRSCI | 65 | | OBS\&GYN | 18 | | OCCTHER | 39 | | ONCOLOGY | 14 | | OPHTHALM | 5 | | OTM | 43 | | PATH | 34 | | PATH-BIO | 29 | | PEDIAT | 26 | | PHARMACY | 31 | | PHILOS | 77 | | PHMCOL-M | 11 | | PHMPRAC | 45 | | PHMSCI | 60 | | PHYASST | 37 | | PHYSICS | 88 | | PHYSIOL | 3 | | PHYTHER | 37 | | PLANTSCI | 52 | | PLPATH | 35 | | POLISCI | 192 | | POPHLTH | 58 | | PORTUG | 33 | | PSYCH | 101 | | PSYCHIAT | 22 | | PUBAFFR | 54 | | PUBLHLTH | 23 | | RADIOL | 11 | | REALEST | 41 | | RELIGST | 90 | | RHABMED | 9 | | RMI | 24 | | RP\&SE | 102 | | S\&APHM | 17 | | SCANDST | 73 | | SLAVIC | 89 | | SOC | 149 | | SOCWORK | 87 | | SOILSCI | 46 | | SPANISH | 83 | | SRMED | 21 | | STAT | 94 | | STDYABRD | 52 | | STS | 8 | | SURGERY | 25 | | SURGSCI | 33 | | THEATRE | 91 | | URBRPL | 60 | | UROLOGY | 5 | | ZOOLOGY | 89 | ## instructor ### instructor uid instructor\_f4f38e79abb137626bbbc39c ### source enrollment ### source instructor id wang239 ### identity basis netid ### identity status source\_identified ### name Yazhen Wang ### email YZWANG\@STAT.WISC.EDU ### first observed at 2026-09-07 15:55:43.033547+00:00 ### last observed at 2026-09-07 15:55:43.033547+00:00 ### ratings #### review count 10 #### quality 2.9 #### difficulty 3 #### quality count 10 #### difficulty count 10 #### profile id rmp:1357778 #### source url #### match basis exact\_name #### observed at 2026-09-07 15:58:01.601642+00:00 #### courses ##### course c3af14b05ef6845e7d2ecd4d ###### review count 2 ###### quality 1 ###### difficulty 4.5 ###### quality count 2 ###### difficulty count 2 ##### course 3aa77a7c307c944aec9fad7e ###### review count 1 ###### quality 5 ###### difficulty 4 ###### quality count 1 ###### difficulty count 1 ##### course 1282dc8dbc1e7c5749f7cc41 ###### review count 1 ###### quality 2 ###### difficulty 2 ###### quality count 1 ###### difficulty count 1 ##### course 2a00c702ff402614a950606e ###### review count 3 ###### quality 3.67 ###### difficulty 2.67 ###### quality count 3 ###### difficulty count 3 ##### course 1b76508145789f8fbc49d1fa ###### review count 2 ###### quality 2 ###### difficulty 3 ###### quality count 2 ###### difficulty count 2 #### bayesian quality 3.4064571890310638 #### prior mean 3.6596857835465957 #### prior weight 20 ### current true ### courses | course\_uid | course\_id | title | credits\_min | credits\_max | gpa | | -------------------------------- | ---------- | ------------------------------------ | ------------ | ------------ | --- | | course\_15157a9824b07ad4185ab3f5 | STAT 990 | RESEARCH | 1 | 12 | | | course\_9b8b3606500d06264fde7efc | STAT 780 | INTRODUCTION TO QUANTUM DATA SCIENCE | 3 | 3 | | | course\_bf82c77f0acedcdb0de970b4 | STAT 681 | SENIOR HONORS THESIS | 3 | 3 | | ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ### instructor url /instructors/YAZHEN\_WANG ## 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"observed_at": "2026-09-07 15:58:01.601642+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTMyMzg4NzUy", "source_instructor_id": "rmp:1357778", "instructor_name": "Yazhen Wang", "course_label": "STAT461", "course_id": "STAT 461", "course_uid": "course_c3af14b05ef6845e7d2ecd4d", "review_date": "2019-11-10 17:20:43 +0000 UTC", "comment": "he is interested in the material, but cannot convey that at all to his students. There is no textbook, and he has very little study material offered in his lectures. He says that a very basic understanding of R is required, but has us doing complicated stuff that even some one like me with 2 years of R use cannot figure out. Avoid at all cost", "source_url": "https://www.ratemyprofessors.com/professor/1357778", "quality_rating": 1, "difficulty_rating": 5 }, { "observed_at": "2026-09-07 15:58:01.601642+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTMyMzEyNTIx", "source_instructor_id": "rmp:1357778", "instructor_name": "Yazhen Wang", "course_label": "STAT461", "course_id": "STAT 461", "course_uid": "course_c3af14b05ef6845e7d2ecd4d", "review_date": "2019-10-23 19:45:14 +0000 UTC", "comment": "Avoid at all costs. Most disorganized professor I've ever hard. Didn't give any study material for tests and made them extremely tricky. His lectures are impossible to follow, and his homeworks are difficult. He also didn't follow a textbook so there was no way to find outside help.", "source_url": "https://www.ratemyprofessors.com/professor/1357778", "quality_rating": 1, "difficulty_rating": 4 }, { "observed_at": "2026-09-07 15:58:01.601642+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTI1ODA3Nzg4", "source_instructor_id": "rmp:1357778", "instructor_name": "Yazhen Wang", "course_label": "STAT709", "course_id": "MATH/STAT 709", "course_uid": "course_3aa77a7c307c944aec9fad7e", "review_date": "2015-12-22 23:21:16 +0000 UTC", "comment": "This is a very hard class, but Wang was an amazing professor! He always explains difficult material in a very clear and intuitive way, and tests are fair. If you have the choice, take his class!", "source_url": "https://www.ratemyprofessors.com/professor/1357778", "quality_rating": 5, "difficulty_rating": 4 }, { "observed_at": "2026-09-07 15:58:01.601642+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTIyNjMyMzM5", "source_instructor_id": "rmp:1357778", "instructor_name": "Yazhen Wang", "course_label": "STAT479", "course_id": "STAT 479", "course_uid": "course_1282dc8dbc1e7c5749f7cc41", "review_date": "2013-12-21 01:16:43 +0000 UTC", "comment": "I'm a stats major, and I wish I had never taken this class. The professor was very unorganized, and the TA was not helpful either. It didn't help that this was a 8:50am class. I got a good grade, but I feel like I learned nothing. I wish I could have chosen another stats course.", "source_url": "https://www.ratemyprofessors.com/professor/1357778", "quality_rating": 2, "difficulty_rating": 2 }, { "observed_at": "2026-09-07 15:58:01.601642+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTIxMzE5ODE3", "source_instructor_id": "rmp:1357778", "instructor_name": "Yazhen Wang", "course_label": "451STAT", "course_id": null, "course_uid": null, "review_date": "2013-02-04 17:13:08 +0000 UTC", "comment": "Wang is a great teacher. He is easy to understand and explains things really well. He is good at explaining the hard stuff and the good stuff, as well. It is easy to get an A and the exams are pretty straightforward. Great teacher! Try to get him if you can!", "source_url": "https://www.ratemyprofessors.com/professor/1357778", "quality_rating": 5, "difficulty_rating": 1 }, { "observed_at": "2026-09-07 15:58:01.601642+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTIxMjg1ODAw", "source_instructor_id": "rmp:1357778", "instructor_name": "Yazhen Wang", "course_label": "MATH309", "course_id": "MATH/STAT 309", "course_uid": "course_2a00c702ff402614a950606e", "review_date": "2013-01-22 19:32:21 +0000 UTC", "comment": "The \"required\" textbook was never used once, so don't buy it. Wang is at time difficult to understand. I had taken Math 431 (Theory of Probability) before this class, so I had a pretty good grasp on the material, but I could see it being difficult for those without much of a stats background. Exams are basically the same as the practice ones.", "source_url": "https://www.ratemyprofessors.com/professor/1357778", "quality_rating": 3, "difficulty_rating": 2 } ] ``` ### total 10 ### page 1 ### courses | course\_uid | course\_id | | -------------------------------- | ------------- | | course\_2a00c702ff402614a950606e | MATH/STAT 309 | | course\_3aa77a7c307c944aec9fad7e | MATH/STAT 709 | | course\_1b76508145789f8fbc49d1fa | STAT 311 | | course\_c3af14b05ef6845e7d2ecd4d | STAT 461 | | course\_1282dc8dbc1e7c5749f7cc41 | STAT 479 | ### matched true ## social Image true