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Re: st:how to get marginal effect when dependent variable has ln function?


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st:how to get marginal effect when dependent variable has ln function?
Date   Tue, 23 Jun 2009 17:42:11 +0000 (GMT)

--- On Tue, 23/6/09, gjhxmu@sina.com wrote:
> What difference do something below has? 
> 
> 
> glm y x, link(log)
> 
> glm y x, family(poisson)
> 
> glm y x , family(nbinomial)
>  
> 
> All above have the ln function of dependent variable.

The difference is the distribution of the dependent
variable.

-- Maarten

-----------------------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany

http://home.fsw.vu.nl/m.buis/
-----------------------------------------


      

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