Thank you. You are very kind and helpful.
-----Mensaje original-----
De: [email protected]
[mailto:[email protected]] En nombre de Sergiy Radyakin
Enviado el: Thursday, March 12, 2009 6:20 PM
Para: [email protected]
Asunto: Re: st: How can I check that a variable exists?
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
>
>
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/