Select Factors for 3D Plot
Click the Surface plot or Contour plot button on the Prediction & profiling tab of an analysis results dialog to display the Select factors for 3D plot dialog, provided there are more than two factors in the current experiment.
X Axis Factor/Y Axis Factor
In the X Axis Factor and Y Axis Factor boxes, select the two variables for the surface or contour plot.
OK
Click the OK button to accept the selections made in the Select factors for 3D plot dialog and return to the previous dialog.
Cancel
Click the Cancel button to return to the previous dialog. Any selections made in the Select factor values dialog will be ignored.