[R] Cook-Weisberg confidence curves

Prof Brian Ripley ripley at stats.ox.ac.uk
Fri May 25 14:23:35 CEST 2001

On Fri, 25 May 2001, Kari Ruohonen wrote:

> I reply to this myself and apologise not reading the docs careful
> enough. Am I right that confint() in MASS does something equivalent for
> C-W confidence curves by applying the profile log-likelihood?

I wouldn't know: what are these confidence curves you are attributing to
Cook-Weisberg?  At least what confint does is documented and the code it
open to you, so you should be able to answer your own question.

> Kari Ruohonen
> On Fri, 25 May 2001, Kari Ruohonen wrote:
> > Is there an existing function to compute Cook-Weisberg confidence curves
> > for non-linear model parameters in R?

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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