{"schema_version":1,"url":"https://uwcourses.com/instructors/RUIFANG_SONG","title":"RUIFANG SONG — Courses & Reviews | UW–Madison","dataset":{"search_projection":{"version":1,"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"]},"revision":"e243353dcb7d79b7247ced91d69443ef4c2a6349","repository":"twangodev/uwcourses","schema_version":6,"importer_version":"8","projection_id":"7eb94c60c31fe3d8ae732986b7f3d069e1345ae92fd6239119e63b9d2461969d","observed_at":"2026-09-07T15:55:43.033547+00:00","built_at":"2026-10-01T19:10:41.241229+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}],"designations":[],"deployed_at":null,"site_commit":null},"data":{"instructor":{"instructor_uid":"instructor_7ffa168f48f2427ebb92a0ca","source":"madgrades","source_instructor_id":"3987897","identity_basis":"source_id","identity_status":"source_identified","name":"RUIFANG SONG","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":55,"quality":2.51,"difficulty":3.55,"quality_count":55,"difficulty_count":55,"profile_id":"rmp:1618056","source_url":"https://www.ratemyprofessors.com/professor/1618056","match_basis":"exact_name","observed_at":"2026-09-07 16:08:55.082064+00:00","courses":{"course_cc1de60e9953cdd9c469e9a5":{"review_count":39,"quality":2.59,"difficulty":3.56,"quality_count":39,"difficulty_count":39},"course_a133a953d2fc593f17f887bf":{"review_count":1,"quality":4,"difficulty":1,"quality_count":1,"difficulty_count":1},"course_6bc496e4640fd08f71e1b041":{"review_count":1,"quality":3,"difficulty":2,"quality_count":1,"difficulty_count":1}},"bayesian_quality":2.816582875612425,"prior_mean":3.6596857835465957,"prior_weight":20},"grade_statistics":{"gpa":2.732,"graded":1680,"counts":[359,156,475,170,325,107,88],"sections":14},"current":false,"courses":[],"revision":"e243353dcb7d79b7247ced91d69443ef4c2a6349","instructor_url":"/instructors/RUIFANG_SONG"},"history":[{"term":"1144","course_uid":"course_a133a953d2fc593f17f887bf","course_id":"MATH 561","title":"DIFFERENTIAL GEOMETRY"},{"term":"1144","course_uid":"course_26e66d6ac87698124a229853","course_id":"MATH 765","title":"DIFFERENTIAL GEOMETRY"},{"term":"1142","course_uid":"course_cc1de60e9953cdd9c469e9a5","course_id":"MATH 221","title":"CALCULUS AND ANALYTIC GEOMETRY 1"},{"term":"1134","course_uid":"course_26e66d6ac87698124a229853","course_id":"MATH 765","title":"DIFFERENTIAL GEOMETRY"},{"term":"1134","course_uid":"course_01a16b5311010cfe0f48754c","course_id":"MATH 990","title":"READING AND RESEARCH"},{"term":"1134","course_uid":"course_dcdb624e3fb8cbaf9a557ab9","course_id":"MATH/STAT 431","title":"INTRODUCTION TO THE THEORY OF PROBABILITY"},{"term":"1132","course_uid":"course_cc1de60e9953cdd9c469e9a5","course_id":"MATH 221","title":"CALCULUS AND ANALYTIC GEOMETRY 1"},{"term":"1132","course_uid":"course_01a16b5311010cfe0f48754c","course_id":"MATH 990","title":"READING AND RESEARCH"},{"term":"1124","course_uid":"course_cc1de60e9953cdd9c469e9a5","course_id":"MATH 221","title":"CALCULUS AND ANALYTIC GEOMETRY 1"},{"term":"1124","course_uid":"course_01a16b5311010cfe0f48754c","course_id":"MATH 990","title":"READING AND RESEARCH"},{"term":"1122","course_uid":"course_cc1de60e9953cdd9c469e9a5","course_id":"MATH 221","title":"CALCULUS AND ANALYTIC GEOMETRY 1"}],"timeline":[{"term":"1122","courses":1},{"term":"1124","courses":2},{"term":"1132","courses":2},{"term":"1134","courses":3},{"term":"1142","courses":1},{"term":"1144","courses":2}],"term":"1272","courses":[],"reviews":{"items":[{"observed_at":"2026-09-07 16:08:55.082064+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMyMzY1NDk2","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2019-11-06 03:36:24 +0000 UTC","comment":"221 and 222 were my favorite math courses at UW-Madison because of Professong Song. She would take the time to write out proofs to some of the concepts we were going over and though I'm no genius nor a mathematician I appreciated this because some of the proofs were simply beautiful. This brought a level of love to math that is not often seen.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":5,"difficulty_rating":3},{"observed_at":"2026-09-07 16:08:55.082064+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTI0NTAxNjI5","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MAT21B","course_id":null,"course_uid":null,"review_date":"2015-03-25 16:41:00 +0000 UTC","comment":"Hard tests, make you work for it. Will not have any clue to do her tests without doing practice exams. Good final curve.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":4,"difficulty_rating":4},{"observed_at":"2026-09-07 16:08:55.082064+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTI0NDU5NjYx","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MAT21B","course_id":null,"course_uid":null,"review_date":"2015-03-13 18:25:18 +0000 UTC","comment":"Did not understand what she was teaching and it was difficult to learn any concept. She is also a very picky grader and you must solve things her way or you will lose points on tests.  Pray for a good TA because that is the only way I made it through the quarter","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":2,"difficulty_rating":3},{"observed_at":"2026-09-07 16:08:55.082064+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTIzMzQ3Mjcy","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH561","course_id":"MATH 561","course_uid":"course_a133a953d2fc593f17f887bf","review_date":"2014-06-05 10:23:30 +0000 UTC","comment":"Great professor. Really clear and usually does a very good job preparing for lecture and presenting the material to the class. Although she has an accent it is no trouble at all to understand her. The only real problem is is that she doesn't really talk TO the class as much as other math professors. She mostly just relays information to the board.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":4,"difficulty_rating":1},{"observed_at":"2026-09-07 16:08:55.082064+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTIzMjA0OTE5","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"CAL221","course_id":null,"course_uid":null,"review_date":"2014-05-09 00:57:40 +0000 UTC","comment":"This is a really good lecture, especially for your GPA. Easy homework. practice exams are almost exactly like the real tests. Even though she has accent, it's s not hard to understand her. Exams are fairly judged","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":4,"difficulty_rating":2},{"observed_at":"2026-09-07 16:08:55.082064+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTIzMDQzNTk5","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-04-15 19:22:30 +0000 UTC","comment":"Professor song is thorough, clear, and well spoken. Her accent is a little thick, but you can understand her. She makes jokes and she is always available to help. Also, her exams are not too difficult. Easily my favorite math professor at UW","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":4,"difficulty_rating":2}],"total":55,"page":1,"courses":[{"course_uid":"course_cc1de60e9953cdd9c469e9a5","course_id":"MATH 221"},{"course_uid":"course_6bc496e4640fd08f71e1b041","course_id":"MATH 222"},{"course_uid":"course_a133a953d2fc593f17f887bf","course_id":"MATH 561"}],"matched":true},"socialImage":false}}