purity {EngrExpt}R Documentation

Purity of product from a filtration process

Description

Purity of product from a filtration process

Format

A data frame with 12 observations on the following 4 variables.

tech
indicator factor for technician
fac1
a factor with 3 levels
fac2
a factor with 2 levels
purity
a response factor

Details

This experiment was run by two technicians to study the impact of two process factors on the purity of the product after filtration.

References

Peter R. Nelson, Marie Coffin and Karen A. F. Copeland (2003), Introductory Statistics for Engineering Experimentation, Elsevier. (Appendix A)

Examples

str(purity)

[Package EngrExpt version 0.1-8 Index]