Hii ,I have a data set shown below
sex count
f 122
m 100
I need the following output
sex count
f 122
m 100
t 222
this has to be done in data step only ,don't use procedures
Look up the RETAIN statement.
Use RETAIN total and add the count to it at every observation.
Assign a variable to set input with end= (like end=eof)
and next lines to your code:
IF eof then do;
sex = 'TOTAL';
count = total;
output;
end;
Just looking at the elephant from a slightly different viewpoint:
data want (drop=totcount);
do until (done);
set have end=done;
output;
totcount + count;
end;
sex='t';
count = totcount;
output;
run;
Please be aware that the habit of putting a summary value into a data set unless strictly for the purpose of display (in which case a report procedure may be more appropriate for many other reasons) is likely to cause problems.
For instance if you were to take your resulting data set into a regression type analysis you now have 3 levels of "sex" and one of them has way larger values than the other. Results could be quite entertaining... Worse would be an analysis that does not consider Sex but just uses the count.
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