ss.data.doe2 {SixSigma}

Data for the pizza dough example (robust design)

Description

Experimental data for the scores given to a set of pizza doughs. Noise factors added for robust design.

Usage

data(ss.data.doe2)

Format

A data frame with 64 observations on the following 7 variables.

repl

Replication id

flour

Level of flour in the recipe (- +)

salt

Level of salt in the recipe (- +)

bakPow

Level of Baking Powder in the recipe (- +)

temp

Level of temperature in preparation (- +)

time

Level of time in preparation (- +)

score

Scored assigned to the recipe

Note

This data set is used in chapter 11 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.doe2)
summary(ss.data.doe2)
lattice::bwplot(score ~ temp | time, data = ss.data.doe2)