Consider the air pollution and mortality data given in Table B.15. a. Is there a problem with
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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 coefficients do you prefer for these data, ridge or OLS? Justify your answer.
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Introduction To Linear Regression Analysis
ISBN: 9781119578727
6th Edition
Authors: Douglas C. Montgomery, Elizabeth A. Peck, G. Geoffrey Vining
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