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\name{pbetap}
\alias{pbetap}
\title{Predictive distribution for a binomial sample with a beta prior}
\description{
Computes predictive distribution for number of successes of
future binomial experiment
with a beta prior distribution for the proportion.
}
\usage{
pbetap(ab, n, s)
}
\arguments{
\item{ab}{vector of parameters of the beta prior}
\item{n}{size of future binomial sample}
\item{s}{vector of number of successes for future binomial experiment}
}
\value{
vector of predictive probabilities for the values in the vector s
}
\author{Jim Albert}
\examples{
ab=c(3,12)
n=10
s=0:10
pbetap(ab,n,s)
}
\keyword{models}
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