Re: st: post-estimation commands for Poisson

[Scott Cunningham <scunning@gmail.com>]

Dear Dr Williams,

I am having trouble downloading this package.  I tried -findit spost-  
and can see where it is, but when I -ssc install spost- it's not  
allowing me to download it directly.

Thank you for pointing me to the book, though.  I'm going to track it  
down.

scott
On Apr 18, 2006, at 11:33 AM, Richard Williams wrote:


> At 09:12 AM 4/18/2006, you wrote:
> > I know how to interpret Poisson estimated coefficients as
> > elasticities (or rather, to convert it into elasticities), but I want
> > to interpret the marginal effect of a change in the regressor on the
> > count variable itself.  But, interpretation of Poisson coefficients
> > isn't straightforward.  Is there a post-estimation command, similar
> > to the -mfx- commands for creating elasticities, that will generate
> > easy to intepret coefficients of the marginal effect of a change in
> > the regressors on the count regressand?
> My general advice for this sort of thing is to (a) download Long  
> and Freese's -spost- utilities; specifically -spost9- if you are  
> using Stata 9; and (b) read their book:
>
> http://www.stata.com/bookstore/regmodcdvs.html
>
> -prchange- is one of their commands you probably want to look at.
>
>
> -------------------------------------------
> Richard Williams, Notre Dame Dept of Sociology
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