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I have a data like:
a b
1 5
2 7
;
and i want to change it to:
a b c d
1 5 1 2
1 5 2 3
1 5 3 4
1 5 4 5
2 7 2 3
2 7 3 4
.........
I use the code:
data temp;
input a b @;
retain a b;
do start=a to b by 1;
end=start+1;
output;
start=start+1;
if end>=b;
end;
But i cannot work. Could any body please help me????

Thanks a lot!

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关键词：Help elp thanks please change change please cannot start

cattii 发表于 2010-3-18 03:34
I have a data like:
a b
1 5
2 7
;
and i want to change it to:
a b c d
1 5 1 2
1 5 2 3
1 5 3 4
1 5 4 5
2 7 2 3
2 7 3 4
.........
I use the code:
data temp;
input a b @;
retain a b;
do start=a to b by 1;
end=start+1;
output;
start=start+1;
if end>=b;
end;
But i cannot work. Could any body please help me????

Thanks a lot!

1. 
   
2. data temp;
   
3. input a b@;
   
4. do start=a to b-1;
   
5. end=start+1;
   
6. output;
   
7. end;
   
8. datalines;
   
9. 1 5
   
10. 2 7
    
11. ;

复制代码

你都差不多是对的。

Thanks a lot!!!!!!!!!!!!!!!!!!!!!!!