SAS for Mixed Models, Second Edition, 2nd Edition

Analysis of Repeated Measures Data

5

5.1 Introduction

5.1.1 Basic Concepts of Repeated Measures

5.1.2 Types of Repeated Measures Analyses

5.1.3 A Statistical Model for Repeated Measures

5.2 Example: Mixed Model Analysis of Data from Basic Repeated Measures Design

5.2.1 Using the REPEATED Statement in PROC MIXED

5.2.2 Comparing Results from Two Covariance Structures

5.3 Modeling Covariance Structure

5.3.1 Some Candidate Covariance Structures

5.3.2 Selecting an Appropriate Covariance Model

5.3.3 Reassessing the Covariance Structure with a Means Model Accounting for Baseline Measurement

5.3.4 PROC MIXED Analysis of FEV1 Data

5.3.6 Inference on Treatment and Time Effects of FEV1 Data Using PROC MIXED

5.4 Example: Unequally Spaced Repeated Measures ...