# st: Re: test equality of coefficients from 2 regressions

 From "Scott Merryman" <[email protected]> To <[email protected]> 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" <[email protected]>
To: <[email protected]>
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
> *
> *   For searches and help try:
> *   http://www.stata.com/support/faqs/res/findit.html
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/

*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/
```