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AW: st: dtobit2 and se margins - how to access stored estimates

From   "Lamla, Bettina" <>
To   "" <>
Subject   AW: st: dtobit2 and se margins - how to access stored estimates
Date   Wed, 11 May 2011 16:59:20 +0200

Hi Maarten,

Sorry I did not make myself clear.
My question was more of a general one and you answered it with the second e mail. Thanks.

I have another question: How do I access the  estimates stored after margins command?
display _b[varname]

does not work for me.

Thanks again!

-----Ursprüngliche Nachricht-----
Von: [] Im Auftrag von Maarten Buis
Gesendet: Wednesday, May 11, 2011 4:52 PM
Betreff: Re: st: dtobit2 and se

On Wed, May 11, 2011 at 4:32 PM, Lamla, Bettina wrote:
> I have a Tobit model and calculate marginal effects using the dtobit2 command. Standard error are not displayed for the marginal effects. Do they differ from standard errors calculated for marginal effect on the latent variable (i.e.the Tobit estimation results)?

The way to answer that question is to estimate your model using
-dtobit2- and again using -tobit- and compare the standard errors.

Hope this helps,

NB -dtobit2- is a user written command. The statalist FAQ asks you to
specify where you got it from. I assume you got it from SSC.

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

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