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Re: st: Outlier diagnostics for tobit (postestimation)


From   Maarten Buis <maartenlbuis@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Outlier diagnostics for tobit (postestimation)
Date   Fri, 19 Oct 2012 13:57:26 +0200

On Fri, Oct 19, 2012 at 1:51 PM, Timo Beck wrote:
> Great! Thank you! That helps a lot! One last question regarding this topic. Just looked at the code and wondered about one little thing. As I understood, dfbetas are calculated simply by dividing the difference between the two coefficient estimates with and without the observation by the standard deviation. Why would one inlcude another division by e(N)?

The computation is explained here:
<http://www.stata.com/statalist/archive/2012-10/msg00865.html>

-- Maarten

---------------------------------
Maarten L. Buis
WZB
Reichpietschufer 50
10785 Berlin
Germany

http://www.maartenbuis.nl
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