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Publication date: 04/21/2023

Alias Terms

By default, the Alias Terms section of the Evaluate Design report includes all two-way interaction effects that are not in your Model section (with the exception of terms involving blocking factors). Add or remove terms using the buttons. For a description of how to use these buttons to add effects to the Alias Terms table, see Model.

It is possible that effects not included in your assumed model are active. In the Alias Terms section, list potentially active effects that are not in your assumed model but might bias the estimates of model terms. The Alias Matrix entries represent the degree of bias imparted to model parameters by the effects that you specified in the Alias Terms section. See The Alias Matrix.

In the Evaluate Design platform, the Alias Matrix section is immediately updated to reflect changes to Alias Matrix effects. In the Custom Design platform, you must click Make Design after modifying the effects in the Alias Terms section. Within other DOE platforms that construct designs, there is no Alias Terms section. However, the Alias Matrix section, containing appropriate effects, appears under Design Evaluation after you construct the design.

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