Parameters | Expression Parameters | Variables Defining Groups

Variables Defining Groups
Use this field to specify the design variables whose values distinguish the groups of desired columns.
Analyses and plots are created for each unique combination of the values of these variables.
To Specify Variables Defining Groups:
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All of the variables in the data set are displayed in the Available Variables field.
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Click to add the highlighted variable(s) to the Variables Defining Groups field, as shown below: