Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.
| From | Nick Cox <njcoxstata@gmail.com> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: what does "no overidentifiying restriction" result mean for estat overid? |
| Date | Mon, 25 Apr 2011 09:35:59 +0100 |
I think you need to show exact command syntax and results to get better advice. Nick On Mon, Apr 25, 2011 at 4:55 AM, yuanxi zhang <john_bian_8308@hotmail.com> wrote: > I was doing instrumental variable regression on stata, and tried estat > overid command to test whether the instrument is exogenous. However, > the program shows "no overidentifying restriction", which looks like > an error message to me. Does that mean we should reject the null or > the other way around? * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/