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Re: st: dprobit and lincom


From   Maarten buis <[email protected]>
To   [email protected]
Subject   Re: st: dprobit and lincom
Date   Thu, 21 Jan 2010 09:53:08 -0800 (PST)

--- On Thu, 21/1/10, Melanee Thomas wrote:
> I have a question about dprobit and lincom. Specifically,
> when I run lincom after dprobit, the returned lincom result
> is a probit coefficient, rather than the dF/dx reported by
> dprobit. Is there an option I can use to transform the
> probit coefficient returned by lincom to the dF/dx reported
> by dprobit? 

Depending on your version of Stata -mfx- (< 11) or -margins- 
(11).

> Stated differently, is there a way to get lincom
> to deliver an unexponentiated result?

This is a common misunderstanding, the exponentiated coeficients
are only meaningful after -logit- but not after -probit-. So,
-dprobit- doesn't exponentiate coefficients.

Hope this helps,
Maarten

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

http://www.maartenbuis.nl
--------------------------


      

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