data ss;
input jan feb mar;
datalines;
200 500 650
255 255 550
400 844 666
410 500 600
;
run;
data want;
set ss end=last;
jan_sum+jan;
feb_sum+feb;
mar_sum+mar;
output;
if last then do;
Total='Total';
jan=jan_sum;
feb=feb_sum;
mar=mar_sum;
output; drop jan_sum feb_sum mar_sum ;
end;
run;
how to insert Total end of the table for all months total using datastep