At 13:34 07/04/99 PDT, Hayrettin OKUT wrote:

>Assume that I have a data set as follow. I will use the roc GLM for >data analysis. My class variable will be treat1 and dependent variable >(yield) will be the data that corresponing to the 4 in treat3. I >tried use the "where" SAS command to do is but I failed. Helps would >be appriciated.

Hayrettin, a WHERE statement within PROC GLM should do what you ask. If that did not work for you, perhaps you could let us see the PROC GLM code you used?

Regards

John

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