Description Format Details References Examples
Odor, yellowing and hardness of optical coating
A data frame with 35 observations on the following 3 variables.
odor
a numeric vector
yellowing
a numeric vector
hardness
a numeric vector
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.
Peter R. Nelson, Marie Coffin and Karen A. F. Copeland (2003), Introductory Statistics for Engineering Experimentation, Elsevier. (Appendix A)
1 |
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.