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Re: st: dprobit/nocons/mfx question


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: dprobit/nocons/mfx question
Date   Fri, 20 Mar 2009 09:01:10 +0000 (GMT)

--- On Thu, 19/3/09, Martin Weiss wrote:
> How strong a case is there for the continued existence of
> -dprobit-? Somehow, it creates more problems than it
> solves...

The case for keeping -dprobit- is a case for backward 
compatability, which is one of the strong points of Stata.
To maintain backward compatability, you should be very 
careful about dropping a command. Basicly you should only
do so if it gives truely wrong results, and that is not the
case with -dprobit-. An altarnative to dropping the command
would be to depreciate it to an undocumented command (see: 
-help undocumented-). That may not be a bad idea, but than
again, I usually use -logit- rather than -probit- so I 
wouldn't notice anyhow.

-- 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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