SixSigma (version 0.9-52)

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

References

Cano, Emilio L., Moguerza, Javier M. and Redchuk, Andr<U+00E9>s. 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

# NOT RUN {
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")
}

# }