https://github.com/cran/gstat
Tip revision: 260b5841b399de2d91c488a99ae7a87b5025f322 authored by Edzer Pebesma on 22 June 2012, 00:00:00 UTC
version 1.0-12
version 1.0-12
Tip revision: 260b584
walker.Rd
% $Id: walker.Rd,v 1.2 2006-02-10 19:03:27 edzer Exp $
\name{walker}
\alias{walker}
\alias{walker.exh}
\title{Walker Lake sample and exhaustive data sets}
\description{
This is the Walker Lake data sets (sample and exhaustive
data set), used in Isaaks and Srivastava's Applied Geostatistics.
}
\format{
This data frame contains the following columns:
\describe{
\item{Id}{Identification Number}
\item{X}{Xlocation in meter}
\item{Y}{Ylocation in meter}
\item{V}{V variable, concentration in ppm}
\item{U}{U variable, concentration in ppm}
\item{T}{T variable, indicator variable}
}
}
\usage{
data(walker)
}
\references{
Applied Geostatistics
by Edward H. Isaaks, R. Mohan Srivastava;
Oxford University Press.
}
\note{
This data sets were obtained from the data sets on
\url{http://www.ai-geostats.org/}
}
\keyword{datasets}
\examples{
data(walker)
summary(walker)
summary(walker.exh)
}