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Re: st: scale parameter in glm

From   Suryadipta Roy <>
Subject   Re: st: scale parameter in glm
Date   Tue, 21 Feb 2012 07:07:53 -0500

Please read the paper by Papke and Wooldridge "Panel data methods for
fractional response variables with an application to test pass rates"
(Journal of Econometrics, 2008), and check out the link in Prof.
Papke's page

This contains the codes for calculating the scale parameter.

Best wishes,

On Tue, Feb 21, 2012 at 3:11 AM, Marco Ventura <> wrote:
> Does anyone know how to retrieve the scale parameter after running a GLM
> estimate?
> It is not among the saved results e(.) while all other parameters of the
> exponential distribution funtion there are, such as e(phi).
> Thank you very much in advance for your courtesy.
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