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Re: st: Simultaneous occurance


From   "Tom Trikalinos" <ttrikalin@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Simultaneous occurance
Date   Tue, 18 Mar 2008 12:01:19 -0400

... and non-missing.

On Tue, Mar 18, 2008 at 12:00 PM, Tom Trikalinos <ttrikalin@gmail.com> wrote:
> this would be a NOT XOR operator (ignorant on whether Stata has one),
>  but here their sum should be !=1
>
>
>
>
>  On Tue, Mar 18, 2008 at 11:55 AM, Olga Lyashevskaya
>  <olgalyashevskaya@yahoo.com> wrote:
>  > Dear all,
>  >
>  >  There are two binary variables in my sample, where 1
>  >  is presence and 0 is absence of the particular
>  >  characteristic. I want to identify those cases where I
>  >  get either both 0's or both 1's
>  >
>  >  Any suggestions?
>  >
>  >  Thank you in advance,
>  >  Olga
>  >
>  >
>  >
>  >
>  >
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