Introduction to Linear Regression
Getting Started
You have already learned
what is meant by correlation and covariance in Chapter 8. These concepts
describe the linear association between two variables. We now move
on to linear regression. Essentially regression takes covariances
and formalizes them into linear relationships where we assume one
of the variables is dependent on
the others.
A Definition of Linear Regression
A definition of regression
helps to describe the major issues further. Regression is about associations between
multiple variables where you
believe that one of the variables (the dependent variable DV) is explained
or predicted by the others (the independent variables independent variables). To understand regression ...
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