Thanks, Dan. This code worked to change the symbols for the values I needed. The difference wasn't quite as visible as I had hoped. I ended up using a bubble statement (with the bubble size in a new variable, sampsize) instead to show the difference in sizes, which made the difference much more noticeable.   bubble x=day y=var size=sampsize / group=group_id BRADIUSMAX=5 BRADIUSMIN=2 COLORMODEL=(red green black blue) COLORRESPONSE=group_id nooutline; ... View more

Yes. Both the response and the test are binary. ... View more

something like this? proc sort data=have; by id class descending date;run; data want; retain QualityPoints num; retain TotalCredits num; if first.id then do;      QualityPoints=0;      TotalCredits=0;      end; if first.class then do;      if Grade='A' then QualityPoints+4;      else if Grade='B' then QualityPoints+3;      else if Grade='C' then QualityPoints+2;      else if Grade='D' then QualityPoints+1;          TotalCredits+Credits;      end; if last.id then GPA=QualityPoints / TotalCredits; run; ... View more

If you already know the structure then you do not need to use PROC IMPORT. data want ;   infile 'myfile' dsd lrecl=30000 truncover ;   length q1-q150 $100 ;   input q1-q150; run; ... View more