# JUN YIN — Courses & Reviews | UW–Madison [View on UW Courses](https://uwcourses.com/instructors/JUN_YIN--instructor_c3393c71e709a1a65d763835) ## Dataset ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ### repository twangodev/uwcourses ### schema version 6 ### importer version 7 ### projection id 85abe9ff8837c2c5a134368dcc4cfc85eb723524b21ddeb3d2e953887d2f0c8f ### observed at 2026-09-07T15:55:43.033547+00:00 ### built at 2026-09-11T07:45:51.576183+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\_c3393c71e709a1a65d763835 ### source legacy ### identity basis name\_only ### identity status unresolved ### name JUN YIN ### first observed at 2025-04-16 05:20:33.104844+00:00 ### last observed at 2026-09-07 15:55:43.033547+00:00 ### ratings #### review count 15 #### quality 3.87 #### difficulty 2.27 #### quality count 15 #### difficulty count 15 #### profile id rmp:1699172 #### source url #### match basis exact\_name #### observed at 2026-09-07 16:29:28.164446+00:00 #### courses ##### course c602622d732dbbc9aceeeddf ###### review count 2 ###### quality 4.5 ###### difficulty 3 ###### quality count 2 ###### difficulty count 2 ##### course b533f0f6b5fef2c11c4fa06c ###### review count 1 ###### quality 3 ###### difficulty 4 ###### quality count 1 ###### difficulty count 1 ##### course 6bc496e4640fd08f71e1b041 ###### review count 8 ###### quality 3.62 ###### difficulty 1.5 ###### quality count 8 ###### difficulty count 8 #### bayesian quality 3.749820447740912 #### prior mean 3.6596857835465957 #### prior weight 20 ### current false ### courses None recorded. ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ### instructor url /instructors/JUN\_YIN--instructor\_c3393c71e709a1a65d763835 ## history None recorded. ## timeline None recorded. ## term 1272 ## courses None recorded. ## reviews ### items ```json [ { "observed_at": "2026-09-07 16:29:28.164446+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTI4MzQyMzA5", "source_instructor_id": "rmp:1699172", "instructor_name": "Jun Yin", "course_label": "MATH632", "course_id": "ISYE/MATH/OTM/STAT 632", "course_uid": "course_c602622d732dbbc9aceeeddf", "review_date": "2017-05-18 15:53:31 +0000 UTC", "comment": "Awesome teacher! Generous for giving A.", "source_url": "https://www.ratemyprofessors.com/professor/1699172", "quality_rating": 5, "difficulty_rating": 3 }, { "observed_at": "2026-09-07 16:29:28.164446+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTI0ODM3NTc1", "source_instructor_id": "rmp:1699172", "instructor_name": "Jun Yin", "course_label": "632", "course_id": null, "course_uid": null, "review_date": "2015-05-15 03:06:24 +0000 UTC", "comment": "Good Class. ", "source_url": "https://www.ratemyprofessors.com/professor/1699172", "quality_rating": 4, "difficulty_rating": 4 }, { "observed_at": "2026-09-07 16:29:28.164446+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTI0ODM3NDU0", "source_instructor_id": "rmp:1699172", "instructor_name": "Jun Yin", "course_label": "632", "course_id": null, "course_uid": null, "review_date": "2015-05-15 02:32:53 +0000 UTC", "comment": "Jun is a good professor. I totally disagree with some of the poor ratings. I appreciate his help throughout the semester. I was close to an AB but he did reward hard working. I learnt a lot not from his knowledge of Stochastic Processes, but also his knowledge of life in general. Recommended this course but be ready to work hard. ", "source_url": "https://www.ratemyprofessors.com/professor/1699172", "quality_rating": 5, "difficulty_rating": 4 }, { "observed_at": "2026-09-07 16:29:28.164446+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTI0MTc1NzMx", "source_instructor_id": "rmp:1699172", "instructor_name": "Jun Yin", "course_label": "MATH733", "course_id": "MATH/STAT 733", "course_uid": "course_b533f0f6b5fef2c11c4fa06c", "review_date": "2014-12-23 12:32:48 +0000 UTC", "comment": "materials are hard and the curve is very weird. if your final score is between 84 60 you get a B. 8590 get AB and 90+ get A", "source_url": "https://www.ratemyprofessors.com/professor/1699172", "quality_rating": 3, "difficulty_rating": 4 }, { "observed_at": "2026-09-07 16:29:28.164446+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTIyMDU1MDU0", "source_instructor_id": "rmp:1699172", "instructor_name": "Jun Yin", "course_label": "MATH222", "course_id": "MATH 222", "course_uid": "course_6bc496e4640fd08f71e1b041", "review_date": "2013-08-15 00:12:07 +0000 UTC", "comment": "You don't need to be good at math to get at least an AB in his class. Curve very generously!", "source_url": "https://www.ratemyprofessors.com/professor/1699172", "quality_rating": 3, "difficulty_rating": 1 }, { "observed_at": "2026-09-07 16:29:28.164446+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTIxODc3NDUy", "source_instructor_id": "rmp:1699172", "instructor_name": "Jun Yin", "course_label": "MATH632", "course_id": "ISYE/MATH/OTM/STAT 632", "course_uid": "course_c602622d732dbbc9aceeeddf", "review_date": "2013-06-09 18:41:46 +0000 UTC", "comment": "Yin's accent isn't too hard to understand, but sometimes he will mix up words, which can lead to confusion. The material is presented pretty clearly for the most part, although it seemed to me that he expected students to be able to follow everything perfectly. The exams aren't too hard, but there's not much of a curve because of this.", "source_url": "https://www.ratemyprofessors.com/professor/1699172", "quality_rating": 4, "difficulty_rating": 3 } ] ``` ### total 15 ### page 1 ### courses | course\_uid | course\_id | | -------------------------------- | ---------------------- | | course\_c602622d732dbbc9aceeeddf | ISYE/MATH/OTM/STAT 632 | | course\_6bc496e4640fd08f71e1b041 | MATH 222 | | course\_b533f0f6b5fef2c11c4fa06c | MATH/STAT 733 | ### matched true ## social Image false