Chapter 3.: Examining and Transforming Regression Data
Examining and Transforming Regression Data
This chapter has two purposes: to introduce graphical displays and methods for transforming data that will be used later in the book to address a variety of problems in regression analysis, and to show how these displays and transformations can be used prior to fitting a regression model to data, to avoid problems at a later stage. The focus here is on examining and transforming numeric data.
To provide a basis for discussing the methods ...