Compositions of eight-hour shifts of 27 machine operators
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
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.
Matthias Templ firstname.lastname@example.org
Aitchison, J. (1986) The Statistical Analysis of Compositional Data Monographs on Statistics and Applied Probability. Chapman \& Hall Ltd., London (UK). 416p.
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