![]() ![]() The new variable, x1x2, should appear in your worksheet. For example, if you want to create an interaction between x1 and x2, use the calculator to multiply them together: ' x1'*' x2'. ![]() In the box labeled Expression, multiply the two predictor variables that go into the interaction terms.In the box labeled Store the result in variable, specify the column (or the name of the new variable, x1x2, for example) in which you want to store the interaction term.In order to enter interaction terms into a regression model in Minitab, you have to first create column(s) in the worksheet that contain the interaction term(s).
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