Plot points with coordinates where \(x\) and \(y\) are equal. Three points are sufficient, but more can be plotted. Draw a line through the plotted points. If \(x\) is positive, \(y\) is negative. If ...

A linear equation is drawn as a straight line on a set of axes. To draw the graph we need coordinates. We generate these coordinates by substituting values into the linear equation. STEP 1 - Draw a ...

This example introduces the basic PROC REG graphics syntax used to produce a standard plot of data from the aerobic fitness data set (Example 55.1). A simple linear regression of Oxygen on RunTime is ...

If you've ever looked at the curve of a hill, the cables of a suspension bridge or the arc of a coastline and wondered, "I wonder what function would fit that line?" -- congratulations, you're a nerd.

The adjusted r-squared is helpful for multiple regression and corrects for erroneous regression, giving you a more accurate ...