Edit Regression Fit - Groups
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Select regression fit > Editor > Edit Regression Fit > Groups

Use to add, remove, or change the grouping variables on a scatterplot or matrix plot. To add a regression line to a graph, choose Editor > Add > Regression Fit.

Dialog box items

Categorical variables for grouping: Enter up to three columns of grouping variables to fit a separate regression line for each group and display a legend.

Apply same grouping to other data displays: Check to update all data displays to use the same grouping variables as the fitted line.

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