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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