Description Format Details References Examples
Moisture content of a silica product
A data frame with 8 observations on the following 5 variables.
temp
temperature in degrees Fahrenheit - an ordered
factor with levels 200
< 300
speed
process speed - an ordered factor with levels
A
and B
solids
percent solids - an ordered factor with levels
10
< 15
pH
pH of the process - an ordered factor with levels
6.5
< 7
moisture
moisture content of the product
These data were collected from an experiment run in a pilot plant to try to increase the moisture content of a product through production changes.
Peter R. Nelson, Marie Coffin and Karen A. F. Copeland (2003), Introductory Statistics for Engineering Experimentation, Elsevier. (Appendix A)
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