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Re: st: excluding variables by type


From   "Libby Hemphill" <libbyh@umich.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: excluding variables by type
Date   Tue, 25 Mar 2008 12:39:09 -0400

Thank you, Meg, Vladimir, and Jeff for your help!

On 25/03/2008, Margaret R Grove <margaret.r.grove@dartmouth.edu> wrote:
> Hi,
>
>  Here's one method:
>
>  unab vlist: _all      /*  assign all variable names to local variable
>  vlist  */
>  foreach x of varlist `vlisit' {
>           capture confirm string variable `x'
>     if _rc~=0 {
>        /*  do numeric variable processing here */
>     }
>     else {
>        /* do string processing here */
>     }
>  }
>
>  Meg
>
>
>  Libby Hemphill wrote:
>  > Hi,
>  >
>  > I'm wondering if there's a way to loop through all my variables and
>  > perform some action only on those that are numeric.  Is there a way to
>  > check for the type of the variable before doing something?  Like
>  >
>  > for each variable
>  > if string, next
>  > else do X
>  > end for
>  >
>  > Thanks!
>  >
>  >
>
>  *
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>


-- 
Libby Hemphill
Doctoral Candidate
School of Information
University of Michigan
http://www.libbyh.com
*
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