I have a dataset in which there a 3 columns.
A B C
1 . 1
1 . 2
1 . 3
1 0
2 . 1
2 . 2
2 0
3 . 1
3 . 2
3 0
So question is like this when B=0 then we have to carry forward the values of C.
for example:
A B C
1 . 1
1 . 2
1 . 3
1 0 1
1 0 2
1 0 3
This type of output I want. Can anyone please help me ??pro
Please avoid duplicate postings.
data have;
input A B C;
cards;
1 . 1
1 . 2
1 . 3
1 0 .
2 . 1
2 . 2
2 0 .
3 . 1
3 . 2
3 0 .
;
run;
proc sql;
create table want as
select a.*,b.c
from (select distinct A,B from have) as a,
(select distinct A,C from have where C is not missing) as b
where a.A=b.A
order by a.a,a.b,b.c;
quit;
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