Question: Refer to the survival data discussed in Chapter 4, Example 4.1, using LTIME as the response. Compute the eigenvectors and prepare scatter-plots of the principal

Refer to the survival data discussed in Chapter 4, Example 4.1, using LTIME as the response. Compute the eigenvectors and prepare scatter-plots of the principal components

b. Compare the results of principal component regression, deleting the variable associated with the smallest eigenvalue, and ridge regression (c = 0.05).

#!# 5.16. Refer to the gas mileage data from Exercise 4.5.

a. Compute the eigenvectors and prepare scatter-plots of the principal.com- ponents.

b. Compare the results of principal component regression, deleting the variable associated with the smallest eigenvalue, and ridge regression (c = 0.05).

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