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Re: st: How can I check that a variable exists?


From   Sergiy Radyakin <[email protected]>
To   [email protected]
Subject   Re: st: How can I check that a variable exists?
Date   Thu, 12 Mar 2009 18:20:01 -0400

Hi,

capture confirm variable XA
if !_rc {
....... Action A ......
}

capture confirm variable XB
if !_rc {
  ..... Action B.......
}

also see help capture

Regards, Sergiy Radyakin

On Thu, Mar 12, 2009 at 6:16 PM, Benjamin Villena Roldan
<[email protected]> wrote:
> Dear statalist,
> This may sound like a trivial question, but I unsuccessfully looked for an
> answer so far.
>  I need to perform certain action A if there is a variable XA defined in
> the dta file, and an action B if there is a variable XB in the dta file. How
> can I do so? Any ideas?
>
> Thanks
>
> Benjamin
>
>
> *
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> *   http://www.ats.ucla.edu/stat/stata/
>

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