https://github.com/cran/robCompositions
Tip revision: 2cc9b1ae6488319f4ae1d1655243b80e72fdcbe8 authored by Matthias Templ on 04 May 2011, 00:00:00 UTC
version 1.5.0
version 1.5.0
Tip revision: 2cc9b1a
machineOperators.Rd
\name{machineOperators}
\alias{machineOperators}
\docType{data}
\title{ Machine operators data set}
\description{
The data set from Aitchison (1986), p. 382, contains
compositions of eight-hour shifts of 27 machine operators.
The parts represent proportions of shifts in each activity:
high-quality production, low-quality production, machine
setting and machine repair.
}
\usage{data(machineOperators)}
\format{
A data frame with 27 observations on the following 4 variables.
\describe{
\item{\code{hqproduction}}{high-quality production}
\item{\code{lqproduction}}{low-quality production}
\item{\code{setting}}{machine settings}
\item{\code{repair}}{machine repair}
}
}
\references{ Aitchison, J. (1986) \emph{The Statistical Analysis of Compositional
Data} Monographs on Statistics and Applied Probability. Chapman \&
Hall Ltd., London (UK). 416p.
}
\examples{
## maybe str(machineOperators) ; plot(machineOperators) ...
}
\keyword{datasets}