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st: RE: unique values


From   "Steichen, Thomas J." <SteichT@rjrt.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: unique values
Date   Tue, 7 Jun 2005 12:08:00 -0400

levels catvar, local(uniqlist)


Thomas J. Steichen
steicht@rjrt.com
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  Facts do not cease to exist because they are ignored. - Aldous Huxley
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> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu 
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of 
> Stephen R. Hale
> Sent: Tuesday, June 07, 2005 12:01 PM
> To: STATA
> Subject: st: unique values
> 
> 
> Hi all,
> 
> I'm new to the list.  Can anyone direct me to an efficient, 
> preferrably already existing way to get the unique values of 
> a categorical variable into a macro.  The goal is just like 
> creating a "by", but I need to have the unique values list.  
> Let's say I can get the unique values in the macro uniqlist.
> 
> I then want to be able to loop over all unique values in the list
> 
> Foreach uniqval of local `uniqlist' {
>   execute code
> }
> 
> Thanks,
> 
> Steve
> 
> Stephen R. Hale, Ph.D.
> Complex Systems Research Center
> Institute for Study of Earth, Oceans, and Space
> Morse Hall
> University of New Hampshire
> Durham, NH 03824-3525
> Work 603.862.4758
> Fax  603.862.0188
> Home 603.664.4036
> steve.hale@unh.edu
> 
> *
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> 

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