Use this field to specify the character or numeric variable whose levels form distinct categories. Indicator variables are created for each level of each variable specified here.All of the variables in the input data set are displayed in the Available Variables field.
Highlight one or more variables. To highlight multiple variables at once, hold down while left-clicking on them.
Click to add the highlighted variable(s) to the Class Variables field, as shown below:Caution : Specifying a very large number of class variables or using a data set with a large number of variables can prohibitively increase the time needed to run this process.