Isye 6501 midterm exam - Study guides, Class notes & Summaries

ISYE 6501 MIDTERM EXAM 2 - QUESTIONS AND ANSWERS ( SPRING 2022)/ISYE 6501 MIDTERM EXAM 2 - QUESTIONS AND ANSWERS ( SPRING 2022)

ISYE 6501 Midterm Exam 2023/2024 Test Questions With Correct Verified Answers

ISYE 6501 REAL MIDTERM EXAM | REAL EXAM QUESTIONS WITH CORRECT ANSWERS AS PER MARKING SCHEME Instructions Work alone. Do not collaborate with or copy from anyone else. You may use any of the following resources: One sheet(both sides) of handwritten (not photocopied, scanned, or printed) notes If any question seems ambiguous, use the most reasonable interpretation (i e don't be like Calvin): Instructors know about the issue in a private Piazza post afterwards. Good luck! 1...

Factor Based Models classification, clustering, regression. Implicitly assumed that we have a lot of factors in the final model Why limit number of factors in a model? 2 reasons overfitting: when # of factors is close to or larger than # of data points. Model may fit too closely to random effects simplicity: simple models are usually better Classical variable selection approaches 1. Forward selection 2. Backwards elimination 3. Stepwise regression greedy algorithms Backward eliminati...

ISYE 6501 - MIDTERM 1 EXAM QUESTION AND CORRECT ANSWERS A+ SCORE LATEST 2024 ISYE 6501 - MIDTERM 2 EXAM QUESTION AND CORRECT ANSWERS RATED A+ (2024) When might overfitting occu

ISYE-6501 Midterm Exam QUESTIONS & CORRECT ANSWERS What is modeling? A real life situation expressed as math. What is a classification model? A model that puts things into categories. e.g. a loan applicant classification with a SVM splitting people into 2 buckets - yes and no. What is a data point? A 'row' of data essentially. It is not just one attribute (column) on a row of data. What is Quantitative Data numbers that have meaning What is Categorical Data Non-numeric informa...