data cars93a;
 set ma2612.cars93a;
 d2=displace**2;
 h2=hp**2;
 r2=rpm**2;
run;
proc reg data=cars93a;
 model highmpg= hp displace rpm d2 h2 r2;
 output out=resid_out r=resid rstudent=studres p=fit;
run;
* Labeled Plot Studentized residuals versus fitted values;
proc sgplot data=resid_out;
 scatter x=fit y=studres/datalabel=model;
run;
* Partially Labeled Plot Studentized residuals versus fitted values;
data resid_out;
 set resid_out;
 label=model;
 if abs(studres)<2 then label='';
run;
proc sgplot data=resid_out;
 scatter x=fit y=studres/datalabel=label;
run;