h****e
发帖数: 950 | 1 question 76
The following SAS program is submitted:
data test;
author='agatha christie';
first=substr(scan(author,1,','),1,1);
run;
Which of the following is the length of the variable first in the output
data set?
A.1 B. 6 C.15 D.200
答案是D, 那位给帮忙讲解一下。多谢了 | A*********u
发帖数: 8976 | 2 first这个变量第一次出现的时候,等式只要有Scan(),长度就是200
question 76
The following SAS program is submitted:
data test;
author='agatha christie';
first=substr(scan(author,1,','),1,1);
run;
Which of the following is the length of the variable first in the output
data set?
A.1 B. 6 C.15 D.200
答案是D, 那位给帮忙讲解一下。多谢了
【在 h****e 的大作中提到】
: question 76
: The following SAS program is submitted:
: data test;
: author='agatha christie';
: first=substr(scan(author,1,','),1,1);
: run;
: Which of the following is the length of the variable first in the output
: data set?
: A.1 B. 6 C.15 D.200
: 答案是D, 那位给帮忙讲解一下。多谢了
| h****e
发帖数: 950 | |
|
