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RE: st: overid not working after ivprobit

From   "Benjamin Goy" <>
To   <>
Subject   RE: st: overid not working after ivprobit
Date   Fri, 18 May 2012 15:28:25 +0200

Sorry mixed it up.  Only overid does not work either:

. overid
Test not valid with robust covariance matrix: use ivreg2

However I do not understand why I should use ivreg2 if I am actually running
an ivprobit model. 

Any fix to this?


-----Original Message-----
[] On Behalf Of Nick Cox
Sent: Freitag, 18. Mai 2012 12:51
Subject: Re: st: overid not working after ivprobit

Some confusion here. -overid- is a user-written command. -estat- is an
official command. I can't see any reason whatsoever why -estat overid-
should be expected to work. That is, -overid- is not a subcommand of

Using -overid- directly with or without options is the only way to use it.
Please read the help again.


On Fri, May 18, 2012 at 11:40 AM, Benjamin Goy <> wrote:

> unfortunately I have problems with the overid subcommand after 
> ivprobit regressions although I installed overid as described in 
> various answers on statalist.
> . ssc install overid, replace
> checking overid consistency and verifying not already installed...
> all files already exist and are up to date.
>  . estat overid
> invalid subcommand overid
> r(321);
> Am I correct that firststage and endogenous are not working after
> Consequently overid is the only ivprobit postestimation command?
> I am using Stata 10.1

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