https://github.com/cran/gstat
Tip revision: 343e50f9348fea6d29c55fb28723d1400f6b0f79 authored by Edzer Pebesma on 11 January 2017, 08:00:10 UTC
version 1.1-4
version 1.1-4
Tip revision: 343e50f
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 was obtained from the data sets on
ai-geostats,
\url{https://wiki.52north.org/bin/view/AI_GEOSTATS/WebHome}
}
\keyword{datasets}
\examples{
library(sp)
data(walker)
summary(walker)
summary(walker.exh)
}