[R] nlminb replacement/solution?

Prof Brian D Ripley ripley at stats.ox.ac.uk
Fri Jan 28 00:10:48 CET 2000

On 27 Jan 2000, A.J. Rossini wrote:

> What's the current best approach to dealing with the nlminb problem?  
> Are there other similar constrained optimizers, or is current wisdom
> just to code it in C (or similar...)?

I believe (as the R author):

Use optim(method="L-BFGS-B") in the development version. It is a more
modern algorithm for exactly the same job.

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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