(Continuation of Problem XXXXXXXXXXPerform a regression analysis of CASES on the last seven variables as well as on the principal components. What does the regression represent? Interpret the results...

(Continuation of Problem 14.1.) Perform a regression analysis of CASES on the last seven variables as well as on the principal components. What does the regression represent? Interpret the results

Problem 14.1

For the depression data set described in Appendix A, perform a principal components analysis on the last seven variables DRINK–CHRONILL (Table 3.5). Interpret the results