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st: RE: Re: xtivreg2 R-squares question


From   "David Radwin" <dradwin@mprinc.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: Re: xtivreg2 R-squares question
Date   Fri, 27 Apr 2012 09:21:03 -0700 (PDT)

Yes. Negative R-squared values in IV regression is a FAQ:

http://www.stata.com/support/faqs/stat/2sls.html

David

--
David Radwin
Research Associate
MPR Associates, Inc.
2150 Shattuck Ave., Suite 800
Berkeley, CA 94704
Phone: 510-849-4942
Fax: 510-849-0794

www.mprinc.com

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Narek Sahakyan
Sent: Friday, April 27, 2012 8:56 AM
To: statalist@hsphsun2.harvard.edu
Subject: st: Re: xtivreg2 R-squares question

 
I am trying to use the xtivreg2 command and it is working great with my
theory and data (thanks for making it publicly available). The only things
that look off are the negative values of centered and uncentered R-squared
values. Is there an easy explanation for this?
 
Best,
 
Narek Sahakyan,
UW-Madison
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