Description Usage Format Source References

The data are from the first 8 rows of the pollutant water treatment example in the book by Box, Hunter and Hunter, 2nd edition, Chapter 5, Question 19.

The data are in coded units where: C: -1 is chemical brand A; +1 is chemical brand B T: -1 is 72F for treatment temperature; +1 is 100F for the temperature S: -1 is No stirring; +1 is with fast stirring y: is the pollutant amount in the discharge [lb/day].

The aim is to find treatment conditions that MINIMIZE the amount of pollutant discharged each day, where the limit is 10 lb/day.

1 |

A data.frame containing 8 observations of 4 variables (C, S, T and y)

Box, Hunter and Hunter, 2nd edition, Chapter 5, Question 19, page 232.

Box, G. E. P. and Hunter, J. S. and Hunter, W. G., 2005, *Statistics for
Experimenters*, Second edition. Wiley.

pid documentation built on May 29, 2017, 12:41 p.m.

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