Larger data set for the printer cartridges example

Source: R/data.R

This data set contains data from a simulated process of printer cartridges filling with complete replications.

data(ss.data.pc.big)

Format

A data frame with 72 observations on the following 5 variables,

filler

a factor with levels 1 2 3

batch

a factor with levels 1 2 3 4

col

a factor with levels B C

operator

a factor with levels 1 2 3

volume

a numeric vector

Source

See references.

Note

This data set is used in chapter 8 of the book ``Six Sigma with R'' (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.pc.big)
summary(ss.data.pc.big)
#>  filler batch  col    operator     volume     
#>  1:24   1:18   B:36   1:24     Min.   :13.78  
#>  2:24   2:18   C:36   2:24     1st Qu.:14.81  
#>  3:24   3:18          3:24     Median :15.37  
#>         4:18                   Mean   :15.62  
#>                                3rd Qu.:16.24  
#>                                Max.   :18.15