Based on your YAXIS label, I assume your data is pre-summarized. If so, we have a VBARPARM/hBARPARM that you use instead (assuming you have SAS 9.3 or greater). You would overlay a SERIES with that statement. You code would look something like this: proc sgplot data=ador;   vbarparm category=TPTN  response=xx / group=RESP;   series x=TPTN y=spepbe / y2axis;   xaxis display=(nolabel);   yaxis label='Cumulative Percent of Patients'; run; Hope this helps! Dan ... View more