Question

9.16. Refer to Kidney function Problem 9.15. a. Using first-order and second-order terms for each of the three predictor variables (centered around the mean) in the pool of potential X variables (including cross products of the first- order terms), find the three best hierarchical subset regression models according to the Cp criterion. b. Is there much difference in Cp for the three best subset models?

Answer 1

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2- 39A. 636 199 1.3. 3344