/*--Multi Histogram SAS 9.3--*/
ods listing image_dpi=100;
ods graphics / reset width=5in height=3in imagename='MultiHistogram_93';
title 'Distribution of Blood Pressure';
proc sgplot data=sashelp.heart;
  histogram systolic / fillattrs=graphdata1 name='s' legendlabel='Systolic' 
                       transparency=0.5 binwidth=5; 
  histogram diastolic / fillattrs=graphdata2 name='d' legendlabel='Diastolic' 
                       transparency=0.5  binwidth=5; 
  keylegend 's' 'd' / location=inside position=topright across=1;
  xaxis display=(nolabel);
  run;