FITTING H- and F-MODELS

Description

Fits the multinomial logistic regression models. See partialOR() for details.

Usage

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fitOR(dd)

Arguments

dd

data frame with variables x,y,z1,...,zm

Value

fitH

details of the H-model fit as returned by the optimization procedure optim()

fitF

details of the F-model fit as returned by the function summary.nnet()

fit0

details of the null model, i.e. the model without covariates, as returned by nnet()

Author(s)

Vaclav.Fidler and Nico.Nagelkerke

Examples

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## simulate example data 
dd <- simData(50,2,1.5,123) 
## fit the models
ff <- fitOR(dd) 
## display parameter estimates of the H-model
ff$fitH$coefficients