Question

Refer to Exercise 13.6. Include the square of each of the explanatory variables and all cross- product terms in your model selection procedure.
a. Use a variable selection procedure with maximum BIC R2adj as the criterion to formulate a model.
b. Use a variable selection procedure Cp as the criterion to formulate a model.
c. Use a variable selection procedure with minimum BIC statistic as the criterion to formulate a model.
d. Compare the included terms from the models formulated with the three criteria in parts (a)–(c).
In exercise


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  • CreatedNovember 21, 2015
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