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Return the Beta-Binomial distribution with parameters \(m\), \(csi\) and \(phi\).
betar(m,csi,phi)
The vector of length \(m\) of the Beta-Binomial distribution.
Number of ordinal categories
Feeling parameter of the Beta-Binomial distribution
Overdispersion parameter of the Beta-Binomial distribution
Iannario, M. (2014). Modelling Uncertainty and Overdispersion in Ordinal Data, Communications in Statistics - Theory and Methods, 43, 771--786
betabinomial
m<-9 csi<-0.8 phi<-0.2 pr<-betar(m,csi,phi) plot(1:m,pr,type="h", main="Beta-Binomial distribution",xlab="Ordinal categories") points(1:m,pr,pch=19)
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