Hello . Thank you for your time.
I have some terrible question.
I have to clear the observation that out of (-2,2) rstudent .
Does anybody know how to delete those observation out of (-2,2) ,by coding ? there are too many to find and delete manually...
Use OUTPUT statement to save rstudent:
proc reg data=sashelp.class;
model weight=age height;
output out=want rstudent=rstudent cookd=cookd;
quit;
and proc sort it ,delete obs you don't want.
From you graph it appears that you may have a variable rstudent with values of concern. If that is the case then what you want is fairly simple:
Data want;
set have;
where -2 le rstudent le 2;
run;
Thank you for your reply . but This graph is part of the proc reg result .
for example :
proc reg data = work.aa;
model y=x1 x2 x3;
run;
so i don't have rstudent variable .
what i want to know is how can i make these variable ?
Thank you for reading
Use OUTPUT statement to save rstudent:
proc reg data=sashelp.class;
model weight=age height;
output out=want rstudent=rstudent cookd=cookd;
quit;
and proc sort it ,delete obs you don't want.
You can use dataset options on output data sets in procedures that create data sets directly:
proc reg data=sashelp.class; model weight=age height; output out=want (where=( 2 le rstudent le 2)) rstudent=rstudent cookd=cookd; quit;
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