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

Description Usage Format Note Source References Examples

Description

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

Usage

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Format

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

pb.group

a numeric vector

pb.humidity

a numeric vector

Note

This data set is used in chapter 12 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. http://www.springer.com/statistics/book/978-1-4614-3651-5.

Examples

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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")
}

SixSigma documentation built on April 16, 2018, 1:03 a.m.