| stab {EngrExpt} | R Documentation |
Stability of a chemical product
A data frame with 12 observations on the following 4 variables.
temphumiditytimeyThe stability of the active ingredient is critical. This study looks at the impact of temperature and humidity on the stability of the active ingredient over time.
Peter R. Nelson, Marie Coffin and Karen A. F. Copeland (2003), Introductory Statistics for Engineering Experimentation, Elsevier. (Appendix A)
str(stab)