[R] nlsList

Prof Brian D Ripley ripley at stats.ox.ac.uk
Tue Aug 13 12:53:57 CEST 2002


On Tue, 13 Aug 2002, Peter Schlattmann wrote:

> is there a way to extract the individual variance-covariance matrix
> of the parameter estimates of the i-th individual using nlsList ?

Yes. For example:

library(nlme)
library(MASS)
example(nlsList)
lapply(fm1, vcov)

(at least, of the i-th fit)

-- 
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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