Hello, I'm trying to sample data into development sample and validation sample using proc surveyselect, but the output shown is not sampled returning the same original dataset.The code I used is proc surveyselect data=stores1 out=devsample method=srs samprate=0.5 outall; run; I also used ranuni function but the result is same , no sampling is done data devsample; set stores1; if ranuni(100)<0.50 then output=devsample; run; please correct me where I went wrong
... View more