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\name{RFfctn}
\alias{RFfctn}
\title{Evaluate Covariance and Variogram Functions}
\description{
\command{\link{RFfctn}} returns the values of a shape function.
}
\usage{
RFfctn(model, x, y = NULL, z = NULL, T = NULL, grid, params, distances, dim,...)
}
\arguments{
\item{model,params}{\argModel }
\item{x}{\argX}
\item{y,z}{\argYz}
\item{T}{\argT}
\item{grid}{\argGrid}
\item{distances,dim}{\argDistances}
\item{...}{\argDots}
}
\details{
\command{\link{RFcovmatrix}} also allows for variogram models. Then the negative of the
variogram matrix is returned.
}
\value{
\command{\link{RFfctn}} returns a vector.
}
\me
\seealso{
\command{\link{RMmodel}},
\command{\link{RFsimulate}},
\command{\link{RFfit}},
\command{\link{RFcalc}},
\command{\link{RFcov}},
\command{\link{RFcovmatrix}},
\command{\link{RFpseudovariogram}},
\command{\link{RFvariogram}}.
}
\examples{\dontshow{StartExample()}
RFoptions(seed=0) ## *ANY* simulation will have the random seed 0; set
## RFoptions(seed=NA) to make them all random again
model <- RMexp() - 1
RFfctn(model, 1:10)
\dontshow{FinalizeExample()}}
\keyword{spatial}
|
