Preface

It's about time! The first edition of Logistic Regression Using SAS had become so outdated that I was embarrassed to see people still using it. In the 13 years since the initial publication, there have been an enormous number of changes and enhancements to the SAS procedures for doing logistic regression and related methods. In fact, I think that the rate of change has accelerated in recent years.

So, as of April 2012, this book is up to date with the latest syntax, features, and options in SAS 9.3. All the output displays use the HTML format, which is now the default. Perhaps the biggest change is that PROC LOGISTIC plays an even larger role than before. That's because it now has a CLASS statement, and it can now estimate the multinomial ...

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