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ISYE 6501 Quiz 2 Questions and Answers.
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ISYE 6501 Quiz 2 Questions and Answers.
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ISYE 6501 Quiz 2Questions and Answers
Denning [Date] [Course title]
, Overfitting - Correct Answers:s :If you have less data than features, what is likely to occur?
Fitting random effects - Correct Answers:s :What can too many factors lead to?
Simple Models - Correct Answers:s :Reducing variables will result in
Forbidden Factors - Correct Answers:s :Things that cannot be used due to legal requirements
Exploration - Correct Answers:s :Gathering more data to develop a better model
Exploitation - Correct Answers:s :Using data sooner to get less accurate, but more immediate results
No factors - Correct Answers:s :Forward selection starts with what
look for p <= 0.15 or p <= 0.1 - Correct Answers:s :How do you find the best factor in forward selection?
Coefficient is not 0 - Correct Answers:s :What does a low p value mean
Coefficient is 0 - Correct Answers:s :What is the null hypothesis in a feature test
All factors - Correct Answers:s :Backwards feature selection starts with
Scaling is not required - Correct Answers:s :What is a benefit of classical feature selection
Stepwise regression - Correct Answers:s :A combination of forward and backward feature selection
Greedy Algorithm - Correct Answers:s :Does the best thing without taking into consideration any future
events
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