{"schema_version":1,"url":"https://uwcourses.com/instructors/NAN_CHEN--instructor_1227fa1f8db520a460645e3f","title":"NAN CHEN — Courses & Reviews | UW–Madison","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":"AAE","count":90},{"subject":"ABT","count":20},{"subject":"ACCTIS","count":36},{"subject":"ACTSCI","count":14},{"subject":"AFAERO","count":10},{"subject":"AFRICAN","count":87},{"subject":"AFROAMER","count":71},{"subject":"AGROECOL","count":21},{"subject":"AMERIND","count":53},{"subject":"ANAT&PHY","count":7},{"subject":"ANATOMY","count":2},{"subject":"ANESTHES","count":8},{"subject":"ANSCI","count":57},{"subject":"ANTHRO","count":95},{"subject":"ART","count":125},{"subject":"ARTED","count":10},{"subject":"ARTHIST","count":121},{"subject":"ASIALANG","count":129},{"subject":"ASIAN","count":109},{"subject":"ASIANAM","count":28},{"subject":"ASTRON","count":38},{"subject":"ATMOCN","count":69},{"subject":"BIOCHEM","count":51},{"subject":"BIOCORE","count":10},{"subject":"BIOLOGY","count":14},{"subject":"BIOMDSCI","count":18},{"subject":"BME","count":66},{"subject":"BMI","count":41},{"subject":"BMOLCHEM","count":10},{"subject":"BOTANY","count":69},{"subject":"BSE","count":44},{"subject":"C&ESOC","count":73},{"subject":"CBE","count":48},{"subject":"CHEM","count":101},{"subject":"CHICLA","count":52},{"subject":"CIVENGR","count":133},{"subject":"CLASSICS","count":47},{"subject":"CNP","count":10},{"subject":"CNSRSCI","count":50},{"subject":"COMARTS","count":137},{"subject":"COMPBIO","count":15},{"subject":"COMPLIT","count":11},{"subject":"COMPSCI","count":138},{"subject":"COUNPSY","count":78},{"subject":"CRB","count":19},{"subject":"CS&D","count":71},{"subject":"CSCS","count":40},{"subject":"CURRIC","count":193},{"subject":"DANCE","count":93},{"subject":"DERM","count":8},{"subject":"DS","count":88},{"subject":"DYSCI","count":35},{"subject":"ECE","count":155},{"subject":"ECON","count":145},{"subject":"EDPOL","count":114},{"subject":"EDPSYCH","count":97},{"subject":"ELPA","count":70},{"subject":"EMA","count":53},{"subject":"EMERMED","count":17},{"subject":"ENGL","count":206},{"subject":"ENTOM","count":40},{"subject":"ENVIRST","count":148},{"subject":"EP","count":15},{"subject":"EPD","count":67},{"subject":"ESL","count":16},{"subject":"F&WECOL","count":60},{"subject":"FAMMED","count":22},{"subject":"FINANCE","count":50},{"subject":"FOLKLORE","count":40},{"subject":"FOODSCI","count":43},{"subject":"FRENCH","count":63},{"subject":"GEN&WS","count":145},{"subject":"GENBUS","count":72},{"subject":"GENECSLR","count":17},{"subject":"GENETICS","count":60},{"subject":"GEOG","count":113},{"subject":"GEOSCI","count":83},{"subject":"GERMAN","count":82},{"subject":"GLE","count":48},{"subject":"GNS","count":38},{"subject":"GREEK","count":27},{"subject":"HDFS","count":41},{"subject":"HEBR-BIB","count":13},{"subject":"HEBR-MOD","count":10},{"subject":"HISTORY","count":233},{"subject":"HISTSCI","count":56},{"subject":"HONCOL","count":13},{"subject":"ILS","count":43},{"subject":"INFOSYS","count":9},{"subject":"INTEGART","count":7},{"subject":"INTEGSCI","count":22},{"subject":"INTER-AG","count":18},{"subject":"INTER-HE","count":11},{"subject":"INTER-LS","count":22},{"subject":"INTEREGR","count":16},{"subject":"INTLBUS","count":21},{"subject":"INTLST","count":50},{"subject":"ISYE","count":83},{"subject":"ITALIAN","count":53},{"subject":"JEWISH","count":56},{"subject":"JOURN","count":88},{"subject":"KINES","count":128},{"subject":"LACIS","count":26},{"subject":"LANDARC","count":61},{"subject":"LATIN","count":24},{"subject":"LAW","count":120},{"subject":"LEGALST","count":48},{"subject":"LINGUIS","count":35},{"subject":"LIS","count":89},{"subject":"LITTRANS","count":78},{"subject":"LSC","count":52},{"subject":"M&ENVTOX","count":7},{"subject":"MARKETNG","count":62},{"subject":"MATH","count":153},{"subject":"MDGENET","count":8},{"subject":"ME","count":130},{"subject":"MEDHIST","count":43},{"subject":"MEDICINE","count":60},{"subject":"MEDIEVAL","count":32},{"subject":"MEDPHYS","count":39},{"subject":"MEDSC-M","count":29},{"subject":"MEDSC-V","count":41},{"subject":"MHR","count":68},{"subject":"MICROBIO","count":45},{"subject":"MILSCI","count":16},{"subject":"MM&I","count":22},{"subject":"MOLBIOL","count":6},{"subject":"MS&E","count":59},{"subject":"MUSIC","count":165},{"subject":"MUSPERF","count":126},{"subject":"NAVSCI","count":20},{"subject":"NE","count":44},{"subject":"NEURODPT","count":11},{"subject":"NEUROL","count":7},{"subject":"NEURSURG","count":4},{"subject":"NTP","count":11},{"subject":"NURSING","count":111},{"subject":"NUTRSCI","count":65},{"subject":"OBS&GYN","count":18},{"subject":"OCCTHER","count":39},{"subject":"ONCOLOGY","count":14},{"subject":"OPHTHALM","count":5},{"subject":"OTM","count":43},{"subject":"PATH","count":34},{"subject":"PATH-BIO","count":29},{"subject":"PEDIAT","count":26},{"subject":"PHARMACY","count":31},{"subject":"PHILOS","count":77},{"subject":"PHMCOL-M","count":11},{"subject":"PHMPRAC","count":45},{"subject":"PHMSCI","count":60},{"subject":"PHYASST","count":37},{"subject":"PHYSICS","count":88},{"subject":"PHYSIOL","count":3},{"subject":"PHYTHER","count":37},{"subject":"PLANTSCI","count":52},{"subject":"PLPATH","count":35},{"subject":"POLISCI","count":192},{"subject":"POPHLTH","count":58},{"subject":"PORTUG","count":33},{"subject":"PSYCH","count":101},{"subject":"PSYCHIAT","count":22},{"subject":"PUBAFFR","count":54},{"subject":"PUBLHLTH","count":23},{"subject":"RADIOL","count":11},{"subject":"REALEST","count":41},{"subject":"RELIGST","count":90},{"subject":"RHABMED","count":9},{"subject":"RMI","count":24},{"subject":"RP&SE","count":102},{"subject":"S&APHM","count":17},{"subject":"SCANDST","count":73},{"subject":"SLAVIC","count":89},{"subject":"SOC","count":149},{"subject":"SOCWORK","count":87},{"subject":"SOILSCI","count":46},{"subject":"SPANISH","count":83},{"subject":"SRMED","count":21},{"subject":"STAT","count":94},{"subject":"STDYABRD","count":52},{"subject":"STS","count":8},{"subject":"SURGERY","count":25},{"subject":"SURGSCI","count":33},{"subject":"THEATRE","count":91},{"subject":"URBRPL","count":60},{"subject":"UROLOGY","count":5},{"subject":"ZOOLOGY","count":89}],"deployed_at":null,"site_commit":null},"data":{"instructor":{"instructor_uid":"instructor_1227fa1f8db520a460645e3f","source":"madgrades","source_instructor_id":"4891217","identity_basis":"source_id","identity_status":"source_identified","name":"NAN CHEN","email":null,"first_observed_at":"2026-09-06 23:14:58.172943+00:00","last_observed_at":"2026-09-07 15:55:43.033547+00:00","ratings":{"review_count":29,"quality":4.59,"difficulty":3.1,"quality_count":29,"difficulty_count":29,"profile_id":"rmp:2402431","source_url":"https://www.ratemyprofessors.com/professor/2402431","match_basis":"exact_name","observed_at":"2026-09-07 16:14:47.792861+00:00","courses":{"course_6bc496e4640fd08f71e1b041":{"review_count":3,"quality":3.67,"difficulty":3.67,"quality_count":3,"difficulty_count":3},"course_346ab4e00def5d21d922d818":{"review_count":1,"quality":5,"difficulty":4,"quality_count":1,"difficulty_count":1},"course_8634dde81cc95f6c58014087":{"review_count":21,"quality":4.86,"difficulty":2.95,"quality_count":21,"difficulty_count":21}},"bayesian_quality":4.210279911651671,"prior_mean":3.6596857835465957,"prior_weight":20},"grade_statistics":{"gpa":3.633,"graded":654,"counts":[452,76,58,32,19,10,7],"sections":32},"current":false,"courses":[],"revision":"e243353dcb7d79b7247ced91d69443ef4c2a6349","instructor_url":"/instructors/NAN_CHEN--instructor_1227fa1f8db520a460645e3f"},"history":[{"term":"1264","course_uid":"course_2d244e0d230263518e578140","course_id":"MATH 616","title":"DATA-DRIVEN DYNAMICAL SYSTEMS, STOCHASTIC MODELING AND PREDICTION"},{"term":"1264","course_uid":"course_b29e90ca7f22f0d138916bb0","course_id":"MATH 698","title":"DIRECTED STUDY"},{"term":"1264","course_uid":"course_01a16b5311010cfe0f48754c","course_id":"MATH 990","title":"READING AND RESEARCH"},{"term":"1262","course_uid":"course_6b1402df5d4cb88b5d36366c","course_id":"MATH 717","title":"STOCHASTIC COMPUTATIONAL METHODS"},{"term":"1262","course_uid":"course_01a16b5311010cfe0f48754c","course_id":"MATH 990","title":"READING AND RESEARCH"},{"term":"1254","course_uid":"course_b29e90ca7f22f0d138916bb0","course_id":"MATH 698","title":"DIRECTED STUDY"},{"term":"1254","course_uid":"course_01a16b5311010cfe0f48754c","course_id":"MATH 990","title":"READING AND RESEARCH"},{"term":"1252","course_uid":"course_01a16b5311010cfe0f48754c","course_id":"MATH 990","title":"READING AND RESEARCH"},{"term":"1244","course_uid":"course_74c7657af322dd14084c5840","course_id":"MATH 491","title":"TOPICS IN UNDERGRADUATE MATHEMATICS"},{"term":"1244","course_uid":"course_6b1402df5d4cb88b5d36366c","course_id":"MATH 717","title":"STOCHASTIC COMPUTATIONAL METHODS"},{"term":"1244","course_uid":"course_01a16b5311010cfe0f48754c","course_id":"MATH 990","title":"READING AND RESEARCH"},{"term":"1242","course_uid":"course_01a16b5311010cfe0f48754c","course_id":"MATH 990","title":"READING AND RESEARCH"},{"term":"1234","course_uid":"course_dc3b8c6a00e91bb2d66da1ba","course_id":"MATH 699","title":"DIRECTED STUDY"},{"term":"1234","course_uid":"course_01a16b5311010cfe0f48754c","course_id":"MATH 990","title":"READING AND RESEARCH"},{"term":"1232","course_uid":"course_b151d42dad875eb5e7e721b9","course_id":"MATH 490","title":"UNDERGRADUATE SEMINAR"},{"term":"1232","course_uid":"course_6b1402df5d4cb88b5d36366c","course_id":"MATH 717","title":"STOCHASTIC COMPUTATIONAL METHODS"},{"term":"1232","course_uid":"course_01a16b5311010cfe0f48754c","course_id":"MATH 990","title":"READING AND RESEARCH"},{"term":"1224","course_uid":"course_01a16b5311010cfe0f48754c","course_id":"MATH 990","title":"READING AND RESEARCH"},{"term":"1222","course_uid":"course_85a2851be919e3db46f0fbc1","course_id":"MATH 535","title":"MATHEMATICAL METHODS IN DATA SCIENCE"},{"term":"1222","course_uid":"course_01a16b5311010cfe0f48754c","course_id":"MATH 990","title":"READING AND RESEARCH"},{"term":"1222","course_uid":"course_34813ad8a06d723b51c96f60","course_id":"MATH/STAT 833","title":"TOPICS IN THE THEORY OF PROBABILITY"},{"term":"1212","course_uid":"course_dc3b8c6a00e91bb2d66da1ba","course_id":"MATH 699","title":"DIRECTED STUDY"},{"term":"1212","course_uid":"course_eeeeb855b6dea3189f393649","course_id":"MATH 801","title":"TOPICS IN APPLIED MATHEMATICS"},{"term":"1212","course_uid":"course_01a16b5311010cfe0f48754c","course_id":"MATH 990","title":"READING AND RESEARCH"},{"term":"1204","course_uid":"course_dc3b8c6a00e91bb2d66da1ba","course_id":"MATH 699","title":"DIRECTED STUDY"},{"term":"1204","course_uid":"course_eeeeb855b6dea3189f393649","course_id":"MATH 801","title":"TOPICS IN APPLIED MATHEMATICS"},{"term":"1202","course_uid":"course_01a16b5311010cfe0f48754c","course_id":"MATH 990","title":"READING AND RESEARCH"},{"term":"1194","course_uid":"course_dc3b8c6a00e91bb2d66da1ba","course_id":"MATH 699","title":"DIRECTED STUDY"},{"term":"1194","course_uid":"course_eeeeb855b6dea3189f393649","course_id":"MATH 801","title":"TOPICS IN APPLIED MATHEMATICS"},{"term":"1192","course_uid":"course_346ab4e00def5d21d922d818","course_id":"COMPSCI/MATH 714","title":"METHODS OF COMPUTATIONAL MATHEMATICS I"},{"term":"1192","course_uid":"course_8634dde81cc95f6c58014087","course_id":"MATH 234","title":"CALCULUS--FUNCTIONS OF SEVERAL VARIABLES"},{"term":"1192","course_uid":"course_01a16b5311010cfe0f48754c","course_id":"MATH 990","title":"READING AND RESEARCH"}],"timeline":[{"term":"1192","courses":3},{"term":"1194","courses":2},{"term":"1202","courses":1},{"term":"1204","courses":2},{"term":"1212","courses":3},{"term":"1222","courses":3},{"term":"1224","courses":1},{"term":"1232","courses":3},{"term":"1234","courses":2},{"term":"1242","courses":1},{"term":"1244","courses":3},{"term":"1252","courses":1},{"term":"1254","courses":2},{"term":"1262","courses":2},{"term":"1264","courses":3}],"term":"1272","courses":[],"reviews":{"items":[{"observed_at":"2026-09-07 16:14:47.792861+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM0ODA1MjU1","source_instructor_id":"rmp:2402431","instructor_name":"Nan Chen","course_label":"MATH222","course_id":"MATH 222","course_uid":"course_6bc496e4640fd08f71e1b041","review_date":"2021-05-17 00:06:48 +0000 UTC","comment":"Since the beginning of the course and I was totally lost, the lextures are useless and the slides make no sense. The class also relies heavily on the written component of the exam. overall not a great experience, even though it is calc 2 and I like calculus.","source_url":"https://www.ratemyprofessors.com/professor/2402431","quality_rating":2,"difficulty_rating":4},{"observed_at":"2026-09-07 16:14:47.792861+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM0NzU5MTU1","source_instructor_id":"rmp:2402431","instructor_name":"Nan Chen","course_label":"MATH222","course_id":"MATH 222","course_uid":"course_6bc496e4640fd08f71e1b041","review_date":"2021-05-11 01:21:15 +0000 UTC","comment":"He was a little hard to understand and his lectures were taken essentially straight out of the textbook which was frustrating. Sometimes there were typos in his slides which were not always corrected during lecture, so if a student didn't notice the typo, they'd be screwed. However, he genuinely cares about his students, and is very accommodating.","source_url":"https://www.ratemyprofessors.com/professor/2402431","quality_rating":4,"difficulty_rating":3},{"observed_at":"2026-09-07 16:14:47.792861+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM0NzQzODcw","source_instructor_id":"rmp:2402431","instructor_name":"Nan Chen","course_label":"MATH222","course_id":"MATH 222","course_uid":"course_6bc496e4640fd08f71e1b041","review_date":"2021-05-09 00:16:02 +0000 UTC","comment":"Definitely one of the best in business. I love how his lectures are short yet super effective in conveying concepts. He is also very caring and considerate to extenuating circumstances that students may experience. I once had a problem with my internet while I was trying to finish an exam. Chen didn't hesitate to work things out. Love this guy!!!!!","source_url":"https://www.ratemyprofessors.com/professor/2402431","quality_rating":5,"difficulty_rating":4},{"observed_at":"2026-09-07 16:14:47.792861+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMzMTkwNzMz","source_instructor_id":"rmp:2402431","instructor_name":"Nan Chen","course_label":"MATH714","course_id":"COMPSCI/MATH 714","course_uid":"course_346ab4e00def5d21d922d818","review_date":"2020-05-03 21:18:32 +0000 UTC","comment":"I love him! He can always make hard concepts easy to understand. Load is not heavy and you can enjoy the lectures!","source_url":"https://www.ratemyprofessors.com/professor/2402431","quality_rating":5,"difficulty_rating":4},{"observed_at":"2026-09-07 16:14:47.792861+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMxMzAyNTYy","source_instructor_id":"rmp:2402431","instructor_name":"Nan Chen","course_label":"CALC234","course_id":null,"course_uid":null,"review_date":"2019-01-24 23:21:42 +0000 UTC","comment":"Not that great of a professor. He was difficult to understand at times and basically just read straight out of a notebook for lecture. Wouldn't take him again","source_url":"https://www.ratemyprofessors.com/professor/2402431","quality_rating":2,"difficulty_rating":4},{"observed_at":"2026-09-07 16:14:47.792861+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMxMjg2ODgx","source_instructor_id":"rmp:2402431","instructor_name":"Nan Chen","course_label":"MATH234","course_id":"MATH 234","course_uid":"course_8634dde81cc95f6c58014087","review_date":"2019-01-21 16:49:04 +0000 UTC","comment":"Nan Chen was a fantastic professor, and he really cared about his students. He was always willing to help inside and outside of class, and he even convinced the math department to let him have a higher curve as our class was at 7:45 a.m. Overall an amazing teacher and a nice guy.","source_url":"https://www.ratemyprofessors.com/professor/2402431","quality_rating":5,"difficulty_rating":3}],"total":29,"page":1,"courses":[{"course_uid":"course_346ab4e00def5d21d922d818","course_id":"COMPSCI/MATH 714"},{"course_uid":"course_6bc496e4640fd08f71e1b041","course_id":"MATH 222"},{"course_uid":"course_8634dde81cc95f6c58014087","course_id":"MATH 234"}],"matched":true},"socialImage":false}}