Dear Martin,
Thank you for your advice.
Best regards,
Boon Leong
-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Martin Weiss
Sent: Sunday, March 14, 2010 5:13 AM
To: statalist@hsphsun2.harvard.edu
Subject: st: RE: dmexogxt - operator not allowed
<>
It is easy to trigger this behavior, by introducing collinearity:
*************
sysuse auto, clear
gen mpg2=2*mpg
xtivreg price mpg* (weight turn=length displ gear_ratio trunk), fe i(rep78)
dmexogxt
*************
-findit dmexogxt- does not seem to be up to date with Stata 11 - yet.
HTH
Martin
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