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Re: st: Constant Coefficient


From   SamL <saml@demog.berkeley.edu>
To   Stata Listserve <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Constant Coefficient
Date   Wed, 7 Sep 2005 13:25:25 -0700 (PDT)

I believe you can use the -offset- subcommand to get what you want.  If
that is not available, you can constrain coefficients to whatever value
you want by using the -constraint- command before the model command, and
then invoking the constraint within the model command.

Hope this helps.
Sam

On Wed, 7 Sep 2005, ALICE DOBSON wrote:

> Dear Statalisters,
> can I estimate an equation by holding the value of a coefficient for one of
> the variables constant at 1.0?
> Basically, I split the error term (e_it) into two components - true error
> (u_it) and a systemic component (r_it). I then plug the value of the
> systemic component. I then run the regression.
> However, to do so I need to assume that the coefficient of r_it is 1.0.
>
> Best,
> Alice
>
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