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ISYE 6501 - Midterm 2 EXAM QUESTIONS WITH VERIFIED SOLUTIONS 100% LATEST UPDATE
- Exam (elaborations) • 21 pages • 2024
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ISYE 6501 - Midterm 2 EXAM 
QUESTIONS WITH VERIFIED 
SOLUTIONS 100% LATEST 
UPDATE 
When might overfitting occur - ANSWER when the # of factors is 
close to or larger than the # of data points causing the model to 
potentially fit too closely to random effects 
Why are simple models better than complex ones - ANSWER 
less data is required; less chance of insignificant factors and 
easier to interpret 
What is forward selection - ANSWER we select the best new 
factor and see if it's good enough ...
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