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\name{hiergibbs}
\alias{hiergibbs}
\title{Gibbs sampling for a hierarchical regression model}
\description{
Implements Gibbs sampling for estimating a two-way table of means
under a hierarchical regression model.
}
\usage{
hiergibbs(data,m)
}
\arguments{
\item{data}{data matrix with columns observed sample means, sample sizes, and values of two covariates}
\item{m}{number of cycles of Gibbs sampling}
}
\value{
\item{beta}{matrix of simulated values of regression vector}
\item{mu}{matrix of simulated values of cell means}
\item{var}{vector of simulated values of second-stage prior variance}
}
\author{Jim Albert}
\examples{
data(iowagpa)
m=1000
s=hiergibbs(iowagpa,m)
}
\keyword{models}
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