chem {HoRM}

Odor Dataset

Description

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.

Usage

data(chem)

Format

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.

Source

John, P. W. (1971), Statistical Design and Analysis of Experiments, MacMillan Company.

References

Young, D. S. (2017), Handbook of Regression Methods, CRC Press.