On Mon, 20 Dec 1999, Tony Q. Zhang wrote:
> Hi,
>
> I've been using "nlregb" routine in splus3.4, but cannot
find it here
> in R. Is it hidden in some library?
No. It is proprietary part of S-PLUS (not S).
> Or there is a routine equivalent to it but with a different name? I'm
> planning to move part of my from S to R so that I can work comfortablely
> at home. Any suggestion is highly appreciated.
At present your only choice is the general optimizer nlm. However,
general-purpose optimization routines often are as good as specialized
nls routines unless the solution is a near-perfect fit. (R's nls
uses nlm.)
We are working on other options (I have prototypes running) so you may see
more in a month or so.
--
Brian D. Ripley, ripley at 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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