Understanding Log-linear Analysis With Ilog: An Interactive Approach

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Psychology Press, Feb 1, 2013 - Psychology - 152 pages
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Whenever data are categorical and their frequencies can be arrayed in multidimensional tables, log-linear analysis is appropriate. Like analysis of variance and multiple regression for quantitative data, log-linear analysis lets users ask which main effects and interactions affect an outcome of interest. Until recently, however, log-linear analysis seemed difficult -- accessible only to the statistically motivated and savvy.

Designed for students and researchers who want to know more about this extension of the two-dimensional chi-square, this book introduces basic ideas in clear and straightforward prose and applies them to a core of example studies. ILOG -- a software program that runs on IBM compatible personal computers -- is included with this volume. This interactive program lets readers work through and explore examples provided throughout the book. Because ILOG is capable of serious log-linear analyses, readers gain not only understanding, but the means to put that understanding into practice as well.
 

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Contents

An Introduction
1
2 Basic Statistics for TwoDimensional Frequency Tables
14
3 Models for TwoDimensional Frequency Tables
27
4 Fitting Models for Multidimensional Tables
45
Specifying a Frequency Table
66
6 Analyzing Frequency Tables with ILOG
81
Enough Too Many None at All
95
Percentages Residuals and TwoWay Tables
114
References
128
Glossary
130
Installing Ilog
132
Critical Values of Chi Square
134
Author Index
135
Subject Index
137
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