SAS:如何计算除某些字符变量之外的所有字符变量的频率 [英] SAS: How to calculate frequency for all character variables except some

问题描述

我知道我可以使用以下内容来计算所有字符的频率:

proc freq data=sashelp.class;表_char_；跑步;

但是，有没有办法排除一些变量?我想做类似的事情:

proc freq data=sashelp.class;表_char_EXCEPT VAR1 VAR2;跑步;

非常感谢！

解决方案

可以使用 drop = ，如下图.

<块引用>

proc freq data=sashelp.cars(drop=origin make);表_char_；跑步;

I know I can have something like the following to calculate frequency for all Chars:

proc freq data=sashelp.class;
tables _char_;
run;

However, is there a way to exclude some variables? I want to do something like:

proc freq data=sashelp.class;
tables _char_ EXCEPT VAR1 VAR2;
run;

Thank you so much!

解决方案

you can use drop = , as shown below.

proc freq data=sashelp.cars(drop=origin make);
  tables _char_;
   run;

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