proc summary 列出变量的问题

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proc summary中的var 和output 都需要把变量一一列出
如果我的数据集变量很多，一一列出很麻烦
变量其命名又不是很规律，无法用A1-A20的方式列出

那有没有简单的指定所有变量的方法？？？

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关键词：Summary Summa Mary Mar ROC 命名

1. proc summary data=sashelp.class;
   
2. var _numeric_;
   
3. output out=a;
   
4. run;

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Use proc contents to list all variables and select it from there.

zhengbo8 发表于 2014-5-20 18:05

It is a good answer.
Moreover, it is also curious to know why using summary procedure instead of means procedure? Both are available from SAS/Base. Some people may think they are identical; in fact, not fully the same. According to my experiences, MEANS completely covers SUMMARY, but not true vice versa.In fact, SAS does not even give a direct documentation for SUMMARY but try to use the one for MEANS instead.
JingJu

非常感谢楼上们，人大sas真是好地方

_numeric_很实用