Thank you for your suggestion. I have looked at the chibar help but
still I could not find a way to perform the test. Do you have any
suggestion?
I'd really appreciate. Thank you.
Regards
On Sat, Oct 3, 2009 at 8:33 AM, Carlo Lazzaro <[email protected]> wrote:
> Dear Andrea,
> In Stata 9/2 SE, but I would assume the name of the following did not change
> in Stata 10 and 11, please see - help j_chibar -.
>
> Kind Regards,
> Carlo
> -----Messaggio originale-----
> Da: [email protected]
> [mailto:[email protected]] Per conto di Andrea Rispoli
> Inviato: sabato 3 ottobre 2009 2.06
> A: [email protected]
> Oggetto: st: test overdispersion xtpoisson
>
> Dear Statalisters,
> I have to choose between an xtpoisson model and an xtnbreg model. I
> would like to ask how could I perform a test for overdispersion with
> Stata (for instance the Cameron and Trivedi test),
>
> Thank you very much!
> Kind Regards,
> AR
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>
>
> *
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