y*********4
发帖数: 76 | 1 第80题：
%let rc=Begin；
%macrotest；
data out;
set sashelp.prdsale nobs=totalobs;
if totalobs>10 then do;
%let rc=high;
end;
else do;
%let rc=low;
end;
run;
%mend;
%let rc=Before Execution;
%test
The data set SASHELP.PRDSALE has 50 obs, what is the value of the variable
RC when the macro finishes exectuion?
答案是A，可是怎么也想不通为什么是A呢？ | g*******y
发帖数: 380 | 2 To get answer, you can search the post on this board by Author='sigtem" and
date=Feb. 14, 2009.
I already suggested several times. I hope BZ can add this in the notice of
this board. They are so many questions being asked everyday for SAS Exam.
Many of them already have good answers on this board. If you are planning to
take test recently, please do search on this board by searching title
contains "SAS advance" or "SAS Base". Read those posts, it can help you.
Therefore, those nice people don't | y****1
发帖数: 400 | 3 Re
Author='sigtem" and
notice of
Exam.
planning to
you.
and
all
whenever I
【在 g*******y 的大作中提到】
: To get answer, you can search the post on this board by Author='sigtem" and
: date=Feb. 14, 2009.
: I already suggested several times. I hope BZ can add this in the notice of
: this board. They are so many questions being asked everyday for SAS Exam.
: Many of them already have good answers on this board. If you are planning to
: take test recently, please do search on this board by searching title
: contains "SAS advance" or "SAS Base". Read those posts, it can help you.
: Therefore, those nice people don't
| p*******r
发帖数: 1951 | 4 因为运行的时候最后一个有关rc的%let是
%let rc=low; |
|
