data test;
author='agatha christie';
first=substr(scan(author,1,' ,'),1,1);
run;
which one of the following is the length of the variable first in the output data set?
A 1
B 6
C 15
D 200
楼主: scarfacetony
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为啥这个题的答案是…… |
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看了这个视频,我于是有了进股市的信心!
https://bbs.pinggu.org/thread-2787427-1-1.html |
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SAS资源
1. SAS 微信:StatsThinking 2. SAS QQ群:348941365 |
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SAS资源
1. SAS 微信:StatsThinking 2. SAS QQ群:348941365 |
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