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I was really frustrated at times during the course with the amount of work involved but in the end it felt really satisfying. His lectures are insightful. He explained several complicated concepts intuitively.  I wish he improves his writing though.","source_url":"https://www.ratemyprofessors.com/professor/2134448","quality_rating":5,"difficulty_rating":4},{"observed_at":"2026-09-07 16:25:36.873976+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTI2NjAwNjE2","source_instructor_id":"rmp:2134448","instructor_name":"Krishnakumar Balasubramanian","course_label":"STAT309","course_id":"MATH/STAT 309","course_uid":"course_2a00c702ff402614a950606e","review_date":"2016-05-17 18:05:48 +0000 UTC","comment":"Tough course. He tries to be clear but expects you know your calculus. 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