Data considerations for Factorial Plots

To ensure that your results are valid, consider the following guidelines when you perform the analysis and interpret your results.

First, perform an analysis that fits and stores a model
Factorial plots use the most recent stored model that you fit for a response. If you did not perform an analysis that automatically stores a model, you do not have a model to use. For more information, go to Stored model overview.

For mixture designs, you do not need to fit the model first because the factorial plots display only data means.

Verify that the model meets the assumptions of the analysis
If the stored model does not meet the assumptions of the original analysis, the factorial plots might be inaccurate. For more information, click the original analysis below, and then go to the "Data considerations" topic and the "Key results" topic.
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