machineOperators: machine operators

In robCompositions: Compositional Data Analysis

machine operators

Description

Compositions of eight-hour shifts of 27 machine operators

Usage

data(machineOperators)

Format

A data frame with 27 observations on the following 4 variables.

Details

• hqproduction high-quality production

• lqproduction low-quality production

• setting machine settings

• repair machine repair

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.

Author(s)

Matthias Templ [e-mail]

References

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

Examples

data(machineOperators)
str(machineOperators)
summary(machineOperators)
rowSums(machineOperators)

robCompositions documentation built on Aug. 25, 2023, 5:13 p.m.