Description Usage Format Source References
This dataset is from an experiment that was designed to determine the effects of three factors in reducing the unpleasant odor in a chemical product being sold for household use.
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This data frame consists of 4 variables (stored in coded form) at 15 design points:
odor
A measure of the chemical's odor.
temp
Temperature at time of measurement - uncoded units are 40, 80, and 120.
ratio
Gas-liquid ratio - uncoded units are 0.3, 0.5, and 0.7.
height
Packing height - uncoded units are 2, 4, and 6.
John, P. W. (1971), Statistical Design and Analysis of Experiments, MacMillan Company.
Young, D. S. (2017), Handbook of Regression Methods, CRC Press.
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