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Re: st: moptimize uncommon error

From   Nick Cox <>
Subject   Re: st: moptimize uncommon error
Date   Tue, 26 Feb 2013 15:50:57 +0000

This may be uncommon but its implications seem all too clear. Your
problem is too big for comfort and you need to try a simpler one.


On Tue, Feb 26, 2013 at 3:47 PM, Carlotta Schuster
<> wrote:
> Dear all,
> I am working on a maximum likelihood estimation problem and I have come
> across the following error:
> . ml maximize, iterate(0) technique (bhhh) nonrtolerance
> moptimize() is trying to hold too many columns of Xb
> r(3000);
> I cannot find anything in the stata manual or the web about this error.
> I am estimating 22 parameters. Any ideas on how to solve this issue? (I
> can provide all my code if this helps in clarifying anything).
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