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st: RE: marginal effects


From   "Alexander Tsai" <act2@case.edu>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: marginal effects
Date   Sat, 27 Mar 2004 09:34:08 -0500

Ron,

I don't know about version 6.0, but in version 8.0 you can use -mfx
compute- and specify the at() option. This allows you to evaluate the
margnal effects at the means / medians / zeros, or you can specify
particular values.

Cheers
-AT.

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of R Dorsey
Sent: Saturday, March 27, 2004 9:21 AM
To: statalist@hsphsun2.harvard.edu
Subject: st: marginal effects


Dear All

I'm trying to get marginal effects for a variable from a probit model,
but I want them calculated for values other than the variaable mean.

Having searched the stata archive I have seen mention of  a command
'dprobit2' which allows specification of the x variable at any value
(see www.stata.com/users/wsribney/dlogit2/dmlogit2.hlp).

However, my version (stata 6.0) will not handle this command.

Is this an ado file and if so how do I get hold of it so I can use this
command?

many thanks.

Ron Dorsey


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