# Nan Chen — Courses & Reviews | UW–Madison [View on UW Courses](https://uwcourses.com/instructors/NAN_CHEN) ## 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\_eed27452237c073abcf30787 ### source enrollment ### source instructor id nchen29 ### identity basis netid ### identity status source\_identified ### name Nan Chen ### email CHENNAN\@MATH.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 29 #### quality 4.59 #### difficulty 3.1 #### quality count 29 #### difficulty count 29 #### profile id rmp:2402431 #### source url #### 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 ### current true ### courses | course\_uid | course\_id | title | credits\_min | credits\_max | gpa | | -------------------------------- | ---------- | -------------------------------- | ------------ | ------------ | ----- | | course\_01a16b5311010cfe0f48754c | MATH 990 | READING AND RESEARCH | 1 | 3 | | | course\_6b1402df5d4cb88b5d36366c | MATH 717 | STOCHASTIC COMPUTATIONAL METHODS | 3 | 3 | 3.975 | ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ### instructor url /instructors/NAN\_CHEN ## history | term | course\_uid | course\_id | title | | ---- | -------------------------------- | ---------- | -------------------------------- | | 1272 | course\_6b1402df5d4cb88b5d36366c | MATH 717 | STOCHASTIC COMPUTATIONAL METHODS | | 1272 | course\_01a16b5311010cfe0f48754c | MATH 990 | READING AND RESEARCH | ## timeline | term | courses | | ---- | ------- | | 1272 | 2 | ## term 1272 ## courses ```json [ { "course_uid": "course_6b1402df5d4cb88b5d36366c", "course_id": "MATH 717", "title": "STOCHASTIC COMPUTATIONAL METHODS", "credits_min": 3, "credits_max": 3, "gpa": 3.975, "badges": [ { "id": "rated-teacher", "label": "Highly rated instructor", "tone": "positive", "evidence": "Fall 2026: Nan Chen (4.21/5 adjusted; 29 ratings). At least one assigned instructor qualifies. This describes instructor reviews across courses, not a course rating.", "sources": [ { "label": "Nan Chen", "href": "/instructors/NAN_CHEN" } ] }, { "id": "grade-outcomes", "label": "Higher grades", "tone": "positive", "evidence": "Fall 2025 · latest released grades before Fall 2026: 4.00 GPA across 34 letter grades, versus 3.63 for UW–Madison (1320 courses). Requires a difference of at least 0.20 and 30 letter grades. Historical outcomes, not predicted difficulty.", "sources": [ { "label": "Grade history and sources", "href": "/courses/MATH_717#grades" } ] } ], "description": "MATH 717 introduces computational methods using stochastic algorithms for random mathematical problems, covering Monte Carlo, Bayesian inference, and SDEs.", "discovery": { "term": "1272", "offered": true, "history": { "counts": [ 114, 2, 2, 0, 0, 0, 0 ], "count": 118, "gpa": 3.9745762711864407, "topShare": 98.30508474576271, "firstTerm": "1232", "lastTerm": "1262" }, "instructors": [ { "course_uid": "course_6b1402df5d4cb88b5d36366c", "uid": "instructor_eed27452237c073abcf30787", "name": "Nan Chen", "quality": 4.210279911651671, "quality_count": 29, "instructor_url": "/instructors/NAN_CHEN" } ], "instructorHistory": { "counts": [ 0, 0, 0, 0, 0, 0, 0 ], "count": 0, "gpa": null, "topShare": null }, "courseComparison": { "counts": [ 0, 0, 0, 0, 0, 0, 0 ], "count": 0, "gpa": null, "topShare": null }, "claim": { "citations": [ { "course_id": "MATH 717", "run_id": "20260907T155543-ce3781c4", "section_number": 1, "source_course_id": "5ebfd0ab-a497-3859-9248-0c633b433d48", "source_record": { "entity_id": "5ebfd0ab-a497-3859-9248-0c633b433d48", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1232", "type": "grade" }, { "course_id": "MATH 717", "run_id": "20260907T155543-ce3781c4", "section_number": 1, "source_course_id": "5ebfd0ab-a497-3859-9248-0c633b433d48", "source_record": { "entity_id": "5ebfd0ab-a497-3859-9248-0c633b433d48", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1244", "type": "grade" }, { "course_id": "MATH 717", "run_id": "20260907T155543-ce3781c4", "section_number": 1, "source_course_id": "5ebfd0ab-a497-3859-9248-0c633b433d48", "source_record": { "entity_id": "5ebfd0ab-a497-3859-9248-0c633b433d48", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1262", "type": "grade" } ], "text": "Recent recorded grades — Fall 2022: 3.97 GPA, 100.0% A/AB (n=19 letter grades); Spring 2024: 3.94 GPA, 95.0% A/AB (n=40 letter grades); Fall 2025: 4.00 GPA, 100.0% A/AB (n=34 letter grades)." }, "reviewFiles": [] } }, { "course_uid": "course_01a16b5311010cfe0f48754c", "course_id": "MATH 990", "title": "READING AND RESEARCH", "credits_min": 1, "credits_max": 3, "gpa": null, "badges": [ { "id": "rated-teacher", "label": "Highly rated instructor", "tone": "positive", "evidence": "Fall 2026: Caglar Uyanik (4.37/5 adjusted; 29 ratings); Cole Graham (4.29/5 adjusted; 19 ratings); Sigurd Angenent (4.21/5 adjusted; 143 ratings); Nan Chen (4.21/5 adjusted; 29 ratings); Hung Tran (4.13/5 adjusted; 19 ratings); Saverio Spagnolie (4.13/5 adjusted; 54 ratings); Jordan Ellenberg (4.13/5 adjusted; 28 ratings). 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0, 0, 0, 0 ], "count": 0, "gpa": null, "topShare": null }, "courseComparison": { "counts": [ 0, 0, 0, 0, 0, 0, 0 ], "count": 0, "gpa": null, "topShare": null }, "claim": null, "reviewFiles": [] } } ] ``` ## reviews ### items ```json [ { "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\_id | | -------------------------------- | ---------------- | | course\_346ab4e00def5d21d922d818 | COMPSCI/MATH 714 | | course\_6bc496e4640fd08f71e1b041 | MATH 222 | | course\_8634dde81cc95f6c58014087 | MATH 234 | ### matched true ## social Image true