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\name{RRspheric}
\alias{RRspheric}
\title{Random scaling used with balls}
\description{
This model delivers the distribution
of the \bold{radius} of a ball
obtained by the
intersection of a \code{balldim}-dimensional ball
with \bold{diameter} R by a \eqn{spacedim}-dimensional
hyperplane that has uniform
distance from the center.
}
\usage{
RRspheric(spacedim, balldim, R)
}
\arguments{
\item{spacedim}{dimension of the hyperplane; defaults to 1.}
\item{balldim}{the dimension of the ball}
\item{R}{radius. Default: 1.}
}
\value{
\command{\link{RRspheric}} returns an object of class \code{\link[=RMmodel-class]{RMmodel}}.
}
\me
\seealso{
\command{\link{RMmodel}},
\command{\link{RMball}}.
}
\examples{\dontshow{StartExample()}
RFoptions(seed=0) ## *ANY* simulation will have the random seed 0; set
## RFoptions(seed=NA) to make them all random again
hist(RFrdistr(RRspheric(balldim=2), n=1000), 50)
\dontshow{FinalizeExample()}}
\keyword{spatial}
\keyword{models}
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