odor {EngrExpt}

Odor, yellowing and hardness of optical coating

Description

Odor, yellowing and hardness of optical coating

Format

A data frame with 35 observations on the following 3 variables.

odor

a numeric vector

yellowing

a numeric vector

hardness

a numeric vector

Details

These data are quality data gathered from 35 random samples of a raw material used in a lens coating. It is beneficial to understand the relationships between desired quality characteristics of a product as one must often compromise one characteristic for another.

References

Peter R. Nelson, Marie Coffin and Karen A. F. Copeland (2003), Introductory Statistics for Engineering Experimentation, Elsevier. (Appendix A)

Examples

str(odor)