probcubshe1 {CUB} | R Documentation |
Probability distribution of an extended CUB model with a shelter effect.
probcubshe1(m,pai1,pai2,csi,shelter)
m |
Number of ordinal categories |
pai1 |
Mixing coefficient for the shifted Binomial component of the mixture distribution |
pai2 |
Mixing coefficient for the discrete Uniform component of the mixture distribution |
csi |
Feeling parameter |
shelter |
Category corresponding to the shelter choice |
An extended CUB model is a mixture of three components: a shifted Binomial distribution
with probability of success ξ, a discrete uniform distribution with support \{1,...,m\},
and a degenerate distribution with unit mass at the shelter category (shelter
).
The vector of the probability distribution of an extended CUB model with a shelter effect at the shelter category
Iannario M. (2012). Modelling shelter choices in a class of mixture models for ordinal responses,
Statistical Methods and Applications, 21, 1–22
m<-8 pai1<-0.5 pai2<-0.3 csi<-0.4 shelter<-6 pr<-probcubshe1(m,pai1,pai2,csi,shelter) plot(1:m,pr,type="h",main="Extended CUB probability distribution with shelter effect", xlab="Ordinal categories") points(1:m,pr,pch=19)