CLASS Statement

The ORTHOREG Procedure

CLASS Statement

CLASS variables ;

The CLASS statement names the classification variables to be used in the model. Typical class variables are Treatment, Sex, Race, Group, and Replication. If you use the CLASS statement, it must appear before the MODEL statement.

Class levels are determined from up to the first 16 characters of the formatted values of the CLASS variables. Thus, you can use formats to group values into levels. Refer to the discussion of the FORMAT procedure in the SAS Procedures Guide and the discussions for the FORMAT statement and SAS formats in SAS Language Reference: Dictionary.

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