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sasCommunity Tip of the Day

Sometimes, it is useful for analyst to analyze the residuals of a linear regression model to check for non random effects. This is easily done in PROC REG by declaring it as part of the plots.

PROC REG data=<data>;
MODEL Y = X;
PLOT RESIDUAL. * X;
RUN;QUIT;

Notice the use of the period (.) following the keyword RESIDUAL.

Submitted by Murphy Choy. Contact me at my Discussion Page.


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