Specify the levels to be used as a control for the Differences with a Control LSMeans Difference Set .Note : This option is available only if Differences with a Control is selected as the LSMeans Difference Set .
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• For example, in a study of Drosophila aging, where the LSMeans Effect is Line*Sex*Age , specify “SAM” “FEM” “WK6” to use that particular combination of levels as the control value against which all differences are constructed.
Enter the values into the LSMeans Control Levels text field.