Design of Experiments Guide > Compare Designs > Compare Designs Options
Publication date: 08/13/2020

Compare Designs Options

Advanced Options > Split Plot Variance Ratio

Specify the ratio of the variance of the random whole plot and the subplot variance (if present) to the error variance. Before setting this value, you must define a hard-to-change factor for your split-plot design, or hard and very-hard-to-change factors for your split-split-plot design. Then you can enter one or two positive numbers for the variance ratios, depending on whether you have specified a split-plot or a split-split-plot design.

Advanced Options > Set Delta for Power

Specify the difference in the mean response that you want to detect for model effects. See Set Delta for Power in the Custom Designs section.

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