https://github.com/cran/robCompositions
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Tip revision: 0e640ebe37b48ee7398ce510677e75b37b969440 authored by Matthias Templ on 22 August 2016, 12:00:07 UTC
version 2.0.2
Tip revision: 0e640eb
arcticLake.Rd
% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/dataSets.R
\docType{data}
\name{arcticLake}
\alias{arcticLake}
\title{Arctic lake sediment data}
\format{A data frame with 39 rows and 3 variables}
\usage{
data(arcticLake)
}
\description{
Sand, silt, clay compositions of 39 sediment samples at different water depths in an Arctic lake.
This data set can be found on page 359 of the Aitchison book (see reference).
}
\details{
\itemize{
 \item{\code{sand }}{numeric vector of percentages of sand}
 \item{\code{silt }}{numeric vector of percentages of silt}
 \item{\code{clay }}{numeric vector of percentages of clay}
}

The rows sum up to 100, except for rounding errors.
}
\examples{

data(arcticLake)
str(arcticLake)
summary(arcticLake)
rowSums(arcticLake)
ternaryDiag(arcticLake)
plot(isomLR(arcticLake))
}
\author{
Matthias Templ \email{matthias.templ@tuwien.ac.at}
}
\references{
Aitchison, J. (1986). \emph{The Statistical Analysis of Compositional Data}. Monographs on Statistics and Applied Probability. Chapman \& Hall Ltd., London (UK). 416p.
}
\keyword{data}

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