machineOperators {robCompositions}R Documentation

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.

hqproduction
high-quality production
lqproduction
low-quality production
setting
machine settings
repair
machine repair

References

Aitchison, J. (1986) The Statistical Analysis of Compositional Data Monographs on Statistics and Applied Probability. Chapman & Hall Ltd., London (UK). 416p.

Examples

## maybe str(machineOperators) ; plot(machineOperators) ...

[Package robCompositions version 1.2 Index]