| yield {EngrExpt} | R Documentation |
Yield of a chemical process
A data frame with 20 observations on the following 3 variables.
temppHyieldPeter R. Nelson, Marie Coffin and Karen A. F. Copeland (2003), Introductory Statistics for Engineering Experimentation, Elsevier. (Appendix A)
str(yield)
xyplot(yield ~ temp|cut(pH, seq(6.25,6.85,len = 4), ordered = TRUE),
yield, type = c("g","p","r"),
xlab = "Temperature of the slurry (degrees C)",
ylab = "Yield (tons)")