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