Description
Returns an auxiliary matrix needed for computing the variance-covariance matrix of a CUBE model with covariates.
Usage
auxmat(m, vettcsi, vettphi, a, b, c, d, e)
Arguments
m
Number of ordinal categories
vettcsi
Vector of the feeling parameters of the Beta-Binomial distribution, with length equal to the number of observations
vettphi
Vector of the overdispersion parameters of the Beta-Binomial distribution, with length equal to the number of observations
References
Iannario, M. (2014). Modelling Uncertainty and Overdispersion in Ordinal Data,
Communications in Statistics- Theory and Methods, 43, 771--786
Piccolo, D. (2014). Inferential issues on CUBE models with covariates,
Communications in Statistics. Theory and Methods, 44, DOI: 10.1080/03610926.2013.821487