Select the Variables for Interaction Plot
Click the Interaction plots button in various dialog boxes ( such as the Statistics by Groups Results dialog box - Quick tab) to display the Select the variables for interaction plot dialog box.
The options in this dialog box are used to choose which of the selected variables to include in the plot. You can select only those variables that you want plotted, or click OK to accept the default selection (all variables in the list). Each variable in the resulting interaction plots will be represented by a different line color or pattern.
OK
Click the OK button (after you have selected variables) to display the Arrangement of Factors dialog box.
Cancel
Click the Cancel button to return to the previous dialog box without creating an interaction plot.
Select variables
The numbers of the selected variables will be shown in this field.
To deselect a variable, you can unhighlight it in the list box or remove its number from this field. You can also enter variable numbers in this box.
Spread
Click the Spread button to display more information (for example, the long description) of each variable.