Hi,
Thanks!
Acturally it's a poisson regression. For some reason, I have to let
the coefficients of age1 and age2 be equal.
On 7/29/05, Richard Williams <[email protected]> wrote:
> At 11:36 AM 7/29/2005 -0400, Raymond wrote:
> >Hi,
> >I need to add some restriction condition in a regression. I'm using a
> >set of dummies
> >for variable "age", and I want to set the coefficients of age1 to be
> >equal to age2.
> >How can this be done in Stata?
> >Thanks a lot.
>
> ols regression? See -help cnsreg-. Or alternatively, do something like
>
> reg y age1 age2
> test age1=age2, coef
>
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