o******6 发帖数: 538 | 1 ☆─────────────────────────────────────☆
zhongdianshi (brb) 于 (Tue Sep 1 14:34:52 2009, 美东) 提到:
我从别人那里拿到这样一个CODE:
do i = 1 to 10;
if
sterkm(i) ='46' then do;
dxmonth = modx(i);
dxyear = yrdx(i);
i= 10; /*take first breast cancer dx; end loop*/
end;
end;
其中的i=10是什么意思?如果没有这个,好象很容易理解。
我发信去问,解释如下:还是不明白,请赐教,多谢!!!
1。In this example, you're looking for the first diagnosis with breast
cancer, as explained in the comment /*take first breast |
|