Hello All,
I have several columns: station year a b c d e f g ....
And I want to sum a,b,c,d,e,f,g,... by year.
DO I need to use macro or sql? And how to do it?
I would greatly appreciate it if any one can have any ideas!
Thanks a lot!
Use PROC SUMMARY.
proc summary data=have nway ;
by station year;
var a b c d e f g ....;
output out=want sum= ;
run;
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