I have one dataset like see below
data have ;
input number ;
cards ;
2
4
8
7
9
5
;
How to sum upto 20 and again start with record value like see below example
number sum
2 2
4 6
4 10
8 18
2 20
7 7------------------------again start with record value
9 16
5 5----------------------again start with record value
7 12
data have ; input number ; cards ; 2 4 4 8 2 7 9 5 7 ; data want; retain mysum; set have; if (mysum + number) > 20 then mysum = number; else mysum + number; run;
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