ss.data.pastries {SixSigma} | R Documentation |
Pastries data
Description
A data frame with 18 observations of the amount of the CTQ compound in some pastries from a bakery. There are two runs for each combination of two factors (laboratory and batch).
Usage
data(ss.data.pastries)
Format
A data frame with 18 observations on the following 4 variables.
lab
laboratory: a factor with levels
1
2
3
batch
batch: a factor with levels
1
2
3
run
identifies the run: a factor with levels
1
2
comp
proportion of the compound in the pastry: a numeric vector
Note
This data set is used in chapter 5 exercises 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://link.springer.com/book/10.1007/978-1-4614-3652-2.
Examples
data(ss.data.pastries)
summary(ss.data.pastries)
lattice::xyplot(comp ~ lab | batch, data = ss.data.pastries)