So we can not use the data step iteration counter, but need to make our own:
data want;
set have;
retain __n 1;
if __n lt 29 and transactions eq 1
then do;
total_flag = 1;
__n + 1;
end;
else total_flag = 0;
drop __n;
run;
Use _N_:
data want;
set have;
tot_flag = (_n_ le 29);
run;
So we can not use the data step iteration counter, but need to make our own:
data want;
set have;
retain __n 1;
if __n lt 29 and transactions eq 1
then do;
total_flag = 1;
__n + 1;
end;
else total_flag = 0;
drop __n;
run;
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