Data for the batteries example

Description

This is a simulated data set of 18 measurements of the voltage of batteries using different voltmeters.

Usage

data(ss.data.batteries)

Format

A data frame with 18 observations on the following 4 variables.

voltmeter

a factor with levels 1 2

battery

a factor with levels 1 2 3

run

a factor with levels 1 2 3

voltage

a numeric vector

Note

This data set is used in chapter 5 of the book “Six Sigma with R” (see References).

Source

See references.

References

Cano, Emilio L., Moguerza, Javier M. and Redchuk, Andrés. 2012. Six Sigma with R. Statistical Engineering for Process Improvement, Use R!, vol. 36. Springer, New York. https://www.springer.com/gp/book/9781461436515.

See Also

ss.rr

Examples

data(ss.data.batteries)
summary(ss.data.batteries)
plot(voltage~voltmeter, data = ss.data.batteries)