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Re: st: overdispersion


From   Scott Cunningham <scunning@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: overdispersion
Date   Mon, 23 Jan 2006 08:05:07 -0500

You an use -poisson, robust- to correct the overdispersion.

On 1/23/06, Usha Gupta <ushabishan@yahoo.co.in> wrote:
> Dear all,
>    Pl. tell me whether stata takes care of overdispersion while estimating
> poisson regression. My data set has this problem because standard deviation
> is greater than the mean value. Do I apply negative binomial to overcome
> this problem?
>    Thanks
>
>    usha
>
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