If you leave this field blank , all variables from the ColumnName variable in the Experimental Design SAS Data Set are used.Caution : Specifying a very large number of variables or using a data set with a large number of observations can prohibitively increase execution time.The Available Variables field is populated with variables from the specified data set.
Left-click a single variable, or hold down while left-clicking multiple variables, from the Available Variables field.
Click to add the selected variable(s) to the Variables Whose Rows are to be Clustered field.