Question: Consider the air pollution and mortality data given in Table B.15. a. Is there a problem with collinearity? Discuss how you arrived at this decision.
Consider the air pollution and mortality data given in Table B.15.
a. Is there a problem with collinearity? Discuss how you arrived at this decision.
b. Perform a ridge trace on these data.
c. Select a k based upon the ridge trace from part
b. Which estimates of the coeffi cients do you prefer for these data, ridge or OLS? Justify your answer.
d. Use principal - component regression to analyze these data. Discuss the principal - component regression results with the ridge regression and OLS results.
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
