2An Introduction to the Linear Regression Model
The basic goal of regression analysis is to use data to analyze causal relationships. Thus, the starting point for any regression analysis is to have something to analyze. That is, we begin with some idea or hypothesis we want to test, and we then gather data and analyze these data to see if our idea is verified. The purpose of this chapter is to provide the reader with several examples of the kind of research that can be done with regression analysis techniques. These examples, which are woven throughout this book, were chosen to illustrate to the reader how regression analysis can be used to understand relationships across a broad range of topics. Once we understand ...
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