machineOperators {robCompositions} | R Documentation |
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.
data(machineOperators)
A data frame with 27 observations on the following 4 variables.
hqproduction
lqproduction
setting
repair
Aitchison, J. (1986) The Statistical Analysis of Compositional Data Monographs on Statistics and Applied Probability. Chapman & Hall Ltd., London (UK). 416p.
## maybe str(machineOperators) ; plot(machineOperators) ...