a********0
发帖数: 81 | 1 Day Month Temp
1 May 75
15 May 70
15 June 80
3 June 76
2 July 85
14 July 89
The following program is submitted:
Proc sort data=work.temps;
by descending Month Day;
run;
proc print data=work.temps;
run;
the right answer is C：
Obs Day Month Temp
1 1 May 75
2 15 May 70
3 2 June 76
4 15 June 80
5 3 July 85
6 14 July 89
既然是descending为什么所有的顺序好像都是ascending呢？ 惆怅死我了……
ps：发现考题里面好多都好tricky哦~一部仔细就会出错 比quiz里面的难多了……后天
就考了 肿么办~~~ |
d******9
发帖数: 404 | 2 Hehe........ pat pat
Because the Month is arranged in alphabetically descending order, and Day is
in numeric ascending order. |
a********0
发帖数: 81 | 3 oh~thank you so much. it helps a lot~
is
【在 d******9 的大作中提到】
: Hehe........ pat pat
: Because the Month is arranged in alphabetically descending order, and Day is
: in numeric ascending order.
|
