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duanzongran
Obsidian | Level 7

DEAR ALL:

HERE ,I have a dataset:

data lin;
input x;
datalines;
1
2
3
4
.
.
.
;
run;

the  missing value should be updated  like this 

the 5th obs=(1+2+3+4)=10

the 6th obs=1+2+3+4+The5thObs=(1+2+3+4+10)=20;

the 7th obs=1+2+3+4+The5thObs+The6thObs=(1+2+3+4+10+20)=40;

........

the expected result is a sequence like a sequence

1

2
3
4
10
20
40

 

 

1 ACCEPTED SOLUTION

Accepted Solutions
PeterClemmensen
Tourmaline | Level 20
data want(keep=x);
    set lin;
    s+x;
    if x=. then do;
        x=s;
        s+x;
    end;
run;

Result:

 

x
1
2
3
4
10
20
40

View solution in original post

2 REPLIES 2
PeterClemmensen
Tourmaline | Level 20
data want(keep=x);
    set lin;
    s+x;
    if x=. then do;
        x=s;
        s+x;
    end;
run;

Result:

 

x
1
2
3
4
10
20
40

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