Hi
Looking to perform a simple count.
I have my code just want to see what everyone else uses to check im correct
Use SUM function with your criteria as an inline indicator (0,1) in Proc SQL.
proc sql;
create table y as
select *,
sum(DISTCD in ('5523','1213')) as cnt
from x
group by monthyear;
quit;
Just do a proc freq and merge the output table back on to the original. I've used the coalesce function in the remerge query to put a 0 for any months where the codes 5523,1213 don't appear.
proc freq data=have (where=(codes in (5523,1213)) noprint;
table monthyear / out=want;
run;
proc sql;
create table have as select
a.*,
coalesce(b.count,0) as distcd
from have as a left join want as b on a.monthyear=b.monthyear;
quit;
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