In order to understand linear regression, let’s parse it:
Linear: Arranged in or extending along a straight or nearly straight line, as in “linear movement.”
Regression: A technique for determining the statistical relationship between two or more variables where a change in one variable is caused by a change in another variable.
Combining those, we can define linear regression as a relationship between two variables where an increase in one variable impacts another variable to increase or decrease proportionately (that is, linearly).
In this chapter, ...
