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Tips:Plotting Residuals in Linear Regression
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.