[R] Multinomial logistic regression under R and Stata

Prof Brian Ripley ripley at stats.ox.ac.uk
Thu Apr 24 18:10:49 CEST 2003

On Mon, 21 Apr 2003, Tak Wing Chan wrote:

> the Hessian when the scale of a variable is very small. I talked to a 
> colleague, David Firth, about this, and he suggests
>  > Possibly it would be worth implementing an algebraic vcov method for 
> multinomial logit models [in R]?

Yes, and I look forward to receiving your contribution of it. (See the
R startup banner.)

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 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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