Question: Use the data described in Problem 8.7. Since some of the X variables are intercorrelated, it may be useful to do a ridge regression analysis
Use the data described in Problem 8.7. Since some of the X variables are intercorrelated, it may be useful to do a ridge regression analysis of Y on X1 to X9. Perform such an analysis, and compare the results to those of Problems 8.10 and 9.7.
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