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st: metandi error: initial values not feasible


From   Jannik Helweg-larsen <jhelweg@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: metandi error: initial values not feasible
Date   Mon, 28 Sep 2009 21:30:10 +0200

I'm trying to do a diagnostic meta-analysis of  51 studies using the
metandi routine by Harbord et al- as described in Stata Journal 9.2
using Stata 10.1.  None of the studies are particularly large( largest
n~ 400).

However I keep getting the following error: " initial values not feasible"

I've tried changing the "nip" values and using the "force" option without luck

Is there any work-around?

-- 
Jannik Helweg-Larsen M.D., DMSci
Department of Infectious Diseases, Section M5132
The Finsen Centre
Rigshospitalet
Copenhagen University Hospital
Denmark
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