Processes | Expression Parameters | PCA Plot Grouping Variables

PCA Plot Grouping Variables
Use this field to specify those variables by which to group observations for drawing normal contour ellipsoids with 90% coverage on Principal Components Analysis Plot s .
Leave this field empty if you do not want the ellipsoids to be drawn on the PCA.
To Specify One or More PCA Plot Grouping Variables:
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All of the variables in the specified EDDS are displayed in the Available Variables field.
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Click to add the highlighted variable(s) to the PCA Plot Grouping Variables field, as shown below: