SixSigma (version 0.9-3)

ss.data.pb2: Particle Boards Example - by Groups

Description

Humidity of 20 groups of size 5 of raw materials to make particle boards. For the mean and range control chart.

Usage

data(ss.data.pb2)

Format

A data frame with 100 observations on the following 2 variables.

pb.group

a numeric vector

pb.humidity

a numeric vector

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. http://www.springer.com/statistics/book/978-1-4614-3651-5.

Examples

data(ss.data.pb2)
summary(ss.data.pb2)
if (require(qcc)){
  pb.groups.xbar <- with(ss.data.pb2, qcc.groups(pb.humidity, pb.group))
  pb.xbar <- qcc(pb.groups.xbar, type="xbar")
  summary(pb.xbar)
} else {
message("qcc package is needed to run this example")
}