Re: st: post-estimation commands for Poisson

[Richard Williams <Richard.A.Williams.5@ND.edu>]

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.


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Richard Williams, Notre Dame Dept of Sociology
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