Common Statistical Methods for Clinical Research with SAS Examples, Third Edition, 3rd Edition

Chapter 23. Exercises

• 23.1 Introduction 429

• 23.2 Exercises 429

• 23.3 Appropriateness of the Methods 431

• 23.4 Summary 435

23.1 Introduction

The data set, TRIAL, introduced in Chapter 3, is based on a contrived, simplified clinical study that measures three types of response variables for 100 patients. The exercises in this section provide an opportunity to practice applying some of the basic methods discussed in this book using this data set. Section 23.2 lists the exercises and requests an analysis that uses a specific method referenced in an earlier chapter. The SAS code for performing these exercises is shown in Appendix G. Section 23.3 provides a critique of the methods used and a discussion of their appropriateness, based on the assumptions the ...