On Thu, 9 May 2002 scs10@st-andrews.ac.uk wrote:
> I'm having a problem with nls:
>
> it iterates the correct number of times according to nls.control, but
> mis-reports how many iterations have occured!
>
> It converges on the correct parameter values, but doesn't stop and
report
> them until it's done all its iterations. Then it reports as an error
that
> it's stopped becaue it's done all its iterations.
>
> Not sure what's going on....
But I suspect you have more idea than we do. Please read the section on
BUGS in the FAQ and send us a reproducible example.
(The iteration count is a *limit*, so sounds as if nls is not converging
if it does that number of iterations.)
--
Brian D. Ripley, ripley@stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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