p******s
发帖数: 24 | 1 See the following, I thought both X and index should be 5.
data loop;
x = 0;
do index = 1 to 5 by 2;
x = index ;
end;
run;
proc print;run; | c*****a
发帖数: 808 | 2 data loop;
x = 0;
index=1;
do until (index =5);
index+2;
x = index ;
end;
run;
proc print data=loop;run;
? | a******n
发帖数: 11246 | 3 index=x=5之后，index增加2，然后不满足do的条件，所以x=index(=7)不再执行了。
【在 p******s 的大作中提到】
: See the following, I thought both X and index should be 5.
: data loop;
: x = 0;
: do index = 1 to 5 by 2;
: x = index ;
: end;
: run;
: proc print;run;
| p******s
发帖数: 24 | |
|
