[R] Multinomial Logit Models
ripley at stats.ox.ac.uk
Mon Jan 27 15:12:03 CET 2003
On Mon, 27 Jan 2003, Laura Gross wrote:
> Hi, Thanks for that help.
> In message <Pine.LNX.4.44.0301241256030.12565-100000 at gannet.stats>,
> ripley at stats.ox.ac.uk writes
> >On Fri, 24 Jan 2003, L.E.Gross wrote:
> >> I am wanting to fit some multinomial logit models (multinom command in
> >> package nnet)
> >> Is it possible to do any model checking techniques on these models
> >> e.g. residual, leverage etc. I cannot seem to find any commands that
> >> will allow me to do this.
> >residuals() should work: it does for me.
> I have tried using this:
> My model is say:
> model<-multinom(self~sex, data=self) yet when I try
> residuals(model) I simply get the return as NULL?
That of course is not reproducible, but
> (house.mult <- multinom(Sat ~ Infl + Type + Cont,
+ weights = Freq, data = housing))
is, and it works.
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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