R: Water treatment example from BHH2, Ch 5, Question 19
pollutant
R Documentation
Water treatment example from BHH2, Ch 5, Question 19
Description
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.
Usage
data(pollutant)
Format
A data.frame containing 8 observations of 4 variables (C, S, T and y)