swh:1:snp:33a53053e50f7abe7d281cc0c803be827debf4a3
Tip revision: 1a04ffea2b01708292ee596b3cf636162b62bd5b authored by Edzer J. Pebesma on 30 October 2008, 02:28:29 UTC
version 0.9-53
version 0.9-53
Tip revision: 1a04ffe
meuse.alt.Rd
% $Id: meuse.alt.Rd,v 1.6 2006-02-10 19:03:27 edzer Exp $
\name{meuse.alt}
\alias{meuse.alt}
\title{Meuse river altitude data set}
\description{
This data set gives a point set with altitudes, digitized from the
1:10,000 topographical map of the Netherlands.
}
\format{
This data frame contains the following columns:
\describe{
\item{x}{a numeric vector; x-coordinate (m) in RDM (Dutch topographical map coordinates) }
\item{y}{a numeric vector; y-coordinate (m) in RDM (Dutch topographical map coordinates)}
\item{alt}{altitude in m. above NAP (Dutch zero for sea level)}
}
}
\usage{
data(meuse.alt)
}
\references{
\url{http:/www.gstat.org/}
}
\seealso{\link{meuse.all}}
\keyword{datasets}
\examples{
data(meuse.alt)
library(lattice)
xyplot(y~x, meuse.alt, aspect = "iso")
}