subset.listof.Rd
\name{subset.listof}
\alias{[<-.listof}
\title{Extract or Replace Subset of a List of Things}
\description{
Replace a subset of a list of things.
}
\usage{
\method{[}{listof}(x, i) <- value
}
\arguments{
\item{x}{
An object of class \code{"listof"} representing a list of things
which all belong to one class.
}
\item{i}{
Subset index. Any valid subset index in the usual \R sense.
}
\item{value}{
Replacement value for the subset.
}
}
\value{
Another object of class \code{"listof"}.
}
\details{
This is a subset replacement method for the class \code{"listof"}.
The argument \code{x} should be an object of class \code{"listof"}
representing a list of things that all belong to one class.
The method replaces a designated
subset of \code{x}, and returns an object of class \code{"listof"}.
}
\seealso{
\code{\link{plot.listof}},
\code{\link{summary.listof}}
}
\examples{
x <- list(A=runif(10), B=runif(10), C=runif(10))
class(x) <- c("listof", class(x))
x[1] <- list(A=rnorm(10))
}
\author{Adrian Baddeley
\email{adrian@maths.uwa.edu.au}
\url{http://www.maths.uwa.edu.au/~adrian/}
and Rolf Turner
\email{r.turner@auckland.ac.nz}
}
\keyword{spatial}
\keyword{manip}