Prof Brian D Ripley
ripley at stats.ox.ac.uk
Thu Nov 23 19:24:40 CET 2000
On Thu, 23 Nov 2000, Cesar Augusto de Freitas Anselmo wrote:
> Hello. How I get the weights matrix W after a glm fitted model? Thanks.
If you mean the IWLS matrix, it stored as a vector not a matrix, in
component `weights' of the fitted object. If you mean the weights
specified e.g. for the binomial denominator, see `prior.weights'.
The function glm.fit should make this clean.
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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