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\name{mcmc.subset}
\alias{[.mcmc}
\alias{[.mcmc.list}
\title{Extract or replace parts of MCMC objects}
\usage{
\method{[}{mcmc}(x,i,j, drop=missing(i))
\method{[}{mcmc.list}(x,i,j, drop=TRUE)
}
\arguments{
\item{x}{An \code{mcmc} object}
\item{i}{Row to extract}
\item{j}{Column to extract}
\item{drop}{if \code{TRUE}, the redundant dimensions are dropped}
}
\description{
These are methods for subsetting \code{mcmc} objects. You can select
iterations using the first dimension and variables using the second
dimension. Selecting iterations will return a vector or matrix, not an
\code{mcmc} object. If you want to do row-subsetting of an \code{mcmc}
object and preserve its dimensions, use the \code{window} function.
Subsetting applied to an \code{mcmc.list} object will simultaneously
affect all the parallel chains in the object.
}
\seealso{
\code{\link{[}},
\code{\link{window.mcmc}}
}
\keyword{ts}
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