Customized (Pooled) Error Term

Select the Ignore some effects check box or click the Effects to ignore button on the Model tab of the Analysis of a Central Composite (Response Surface) Experiment dialog box, D- and A-Optimal Designs dialog box, Analysis of a Mixture Experiment dialog box, Analysis of an Experiment with Two-Level Factors dialog box, Analysis of an Experiment with Three-Level Factors dialog box, Analysis of an Experiment with Two- and Three-Level Factors dialog box, or Analysis of a Screening Experiment with Two-Level Factors dialog box to display the Customized (Pooled) Error Term dialog box.

Effects
The Effects box contains a list of all factor effects and interactions in the current model. Highlight the factors or interactions that you want to ignore, that is, that you want to pool into the error term.
OK
Click the OK button to accept the selections made in the Customized (Pooled) Error Term dialog box and return to the previous dialog box.
Cancel
Click the Cancel button to return to the previous dialog box. Any selections made in the Customized (Pooled) Error Term dialog box will be ignored.