Statistics Toolbox

Stepwise Regression Plot

This plot shows the regression coefficient and confidence interval for every term (in or out of the model). The green lines represent terms in the model while red lines indicate terms that are not currently in the model.

Statistically significant terms are solid lines. Dotted lines show that the fitted coefficient is not significantly different from zero.

Clicking on a line in this plot toggles its state. That is, a term currently in the model (green line) is removed (turns red), and a term currently not in the model (red line) is added (turns green).

The coefficient for a term out of the model is the coefficient resulting from adding that term to the current model.

Scale Inputs

Pressing this button centers and normalizes the columns of the input matrix to have a standard deviation of one.

Export

This pop-up menu allows you to export variables from the stepwise function to the base workspace.

Close

The Close button removes all the figure windows.

Example: Stepwise Regression

Stepwise Regression Diagnostics Table