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st: Re: The speed of the MFX command and Stata 9


From   Friedrich Huebler <huebler@rocketmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Re: The speed of the MFX command and Stata 9
Date   Fri, 16 Sep 2005 06:26:21 -0700 (PDT)

Thomas,

I would like to hear more about your experience with -mfx-. When you
say that the large model had not finished after 39 hours, are you
talking about Stata 8.0 or Stata 8.2 with all the latest updates? I
recall that the speed of -mfx- was increased significantly after the
initial release of Stata 8.

Thanks,

Friedrich Huebler

--- Thomas Cornelißen <cornelissen@mbox.iqw.uni-hannover.de> wrote:
> I have made the experience that -mfx- has been considerably speeded
> up in Stata 9.
> My experience relies on -mfx- after the heteroscedastic probit 
> model -hetprob-. For example, in one model Stata 8 took 3:24 hours
> for -mfx 
> compute- after -hetprob-, while Stata 9 took 1 minute 24 seconds. A
> larger 
> model hadn't finished after 39 hours in Stata 8, but it took only
> 10 minutes in Stata 9.



		
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