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st: Re: test equality of coefficients from 2 regressions


From   "Scott Merryman" <merryman@icehouse.net>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Re: test equality of coefficients from 2 regressions
Date   Wed, 17 Jul 2002 23:55:07 -0600

Take a look at the Stata FAQs:

Can you explain Chow tests?
http://www.stata.com/support/faqs/stat/chow3.html

How can I compute the Chow test statistic?
http://www.stata.com/support/faqs/stat/chow.html

Scott Merryman

----- Original Message -----
From: "Botelho, Delane" <delane.botelho@marshall.usc.edu>
To: <statalist@hsphsun2.harvard.edu>
Sent: Wednesday, July 17, 2002 11:32 AM
Subject: st: test equality of coefficients from 2 regressions


> Hi
>
> I ran 2 regressions (using regress), using the same variables, only
changing
> the observations. Now I have to test if the 2 coefficients of the same
> variable are equal.
>
> I only know how to do this when the coefficients are in the same
regression,
> or in multiple equations as in mlogit or sureg.
>
> How to test the 2 coefficients in 2 regressions?
>
> Thanks
>
> Delane
> *
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*
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