does multinomial logistic model from multinom (nnet) has logLik?
On Wed, 22 Feb 2006, ronggui wrote:
I want to get the logLik to calculate McFadden.R2 ,ML.R2 and Cragg.Uhler.R2, but the value from multinom does not have logLik.So my quetion is : is logLik meaningful to multinomial logistic model from multinom?If it does, how can I get it?
From the help page:
Value:
A 'nnet' object with additional components:
deviance: the residual deviance.
So it has a residual deviance. That is -2 log Lik in many cases (but not
if the argument 'summ' is used)
Thank you! ps: I konw VGAM has function to get the multinomial logistic model with logLik, but I prefer use the function from "official" R packages . -- ronggui Deparment of Sociology Fudan University
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