Stat > DOE > Response Surface > Analyze Response Surface Design > Terms
Fit a model by specifying the maximum order of the terms, or choose which terms to include from a list of all estimable terms.
Include the following terms: Use this drop-down list to quickly set up a model. You can choose Linear, Linear + squares, Linear + interactions, or Full quadratic. For more information on these models, see Selecting model terms.
Available Terms: Shows all terms that are estimable but not included in the fitted model.
Selected Terms: Minitab includes terms shown in Selected Terms when it fits the model.
Include blocks in the model: Check to include blocks in the model. Minitab only enables the checkbox for including blocks in the model when you specify more than one block in the Create Response Surface Design dialog box.