data l;
input custid sale;
cards;
a 1
a 23
a 45
b 4
b 67
b 67
run;
I want to get the number for incriment by 1 based on custid as number should incremnt
Output :
custid sale Cust no
a 1 1
a 23 2
a 45 3
b 4 1
b 67 2
b 67 3
Please try
proc sort data=l;
by custid sale;
run;
data want;
set l;
by custid sale;
retain custno 0;
if first.custid then custno=1;
else custno+1;
run;
Thanks,
Jag
Please try
proc sort data=l;
by custid sale;
run;
data want;
set l;
by custid sale;
retain custno 0;
if first.custid then custno=1;
else custno+1;
run;
Thanks,
Jag
Code is fine. It is also producing the desired result without retain statement.
As soon as you use the construct variable + x (instead of variable = variable + x), the variable is automatically retained.
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