ANLY600

Questions

                                                                                                                                                                                              Answers                      

1

ROC curve can be used to evaluate performance of a logistic regression model, please describe the details for it.

2

AIC curve can be used to evaluate performance of a logistic regression model, please describe the details for it.

3

Can you repeat the same titanic example to produce the same Analysis of Deviance table and logistic model?

4

Do AIC and ROC in the above sample give consistent results? Why or why not?

5

Do you know how to use either forward, backward or both methods to get the optimized logistic regression model using AIC and ROC? Please also show the R functions you use for them.