HI,
I need to generate a sequence number per every 5 obs.
below is the data with variable "var". I want variable "seq" . THank you
data :
var seq
aa | 1 |
bb | 1 |
cc | 1 |
dd | 1 |
ee | 1 |
ff | 2 |
gg | 2 |
hh | 2 |
ii | 2 |
jj | 2 |
data have;
input var $;
cards;
aa 1
bb 1
cc 1
dd 1
ee 1
ff 2
gg 2
hh 2
ii 2
jj 2
;
data want;
set have;
if mod(_n_,5)=1 then seq+1;
run;
data have;
input var $;
cards;
aa 1
bb 1
cc 1
dd 1
ee 1
ff 2
gg 2
hh 2
ii 2
jj 2
;
data want;
set have;
if mod(_n_,5)=1 then seq+1;
run;
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