Models with few predi - Study guides, Class notes & Summaries
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ISYE 6414 - Unit 5 Questions and Answers 2023
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What are three problems that variable selection tries to minimize? - ANSWER-high dimensionality, multicollinearity, prediction vs explanatory 
 
high dimensionality - ANSWER-In linear regression, when the number of predicting variables P is large, we might get better predictions by omitting some of the predicting variables. 
 
Models with many predictors have... - ANSWER-low bias, high variance 
 
Models with few predictors have... - ANSWER-high bias but low variance 
 
prediction risk - ANSWER-...
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