Data set for the printer cartridge example

Source: R/data.R

This data set contains data from a simulated process of printer cartridge filling.

data(ss.data.pc)

Format

A data frame with 24 observations on the following 6 variables.

pc.col

a factor with levels C B for the colour

pc.filler

a factor with levels 1 2 3

pc.volume

a numeric vector

pc.density

a numeric vector

pc.batch

a numeric vector

pc.op

a factor with levels A B C D for the operator

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)
summary(ss.data.pc)
#>  pc.col pc.filler   pc.volume       pc.density       pc.batch   pc.op
#>  C:12   1:8       Min.   :13.78   Min.   :1.092   Min.   :1.0   A:6  
#>  B:12   2:8       1st Qu.:15.10   1st Qu.:1.145   1st Qu.:2.0   B:6  
#>         3:8       Median :15.94   Median :1.235   Median :3.5   C:6  
#>                   Mean   :15.96   Mean   :1.243   Mean   :3.5   D:6  
#>                   3rd Qu.:16.80   3rd Qu.:1.304   3rd Qu.:5.0        
#>                   Max.   :18.15   Max.   :1.541   Max.   :6.0