Initial and 1 month color measure of coated lens
Initial and 1 month color measure of coated lens
A data frame with 23 observations on the following 2 variables.
b1a numeric vector of initial color measurements
b2a numeric vector of color measurements after one month
It is undesirable to see color changes in a lens over time.
Peter R. Nelson, Marie Coffin and Karen A. F. Copeland (2003), Introductory Statistics for Engineering Experimentation, Elsevier. (Appendix A)
str(yellow)
show(plt1 <- xyplot(b2 ~ b1, yellow, aspect = 'iso', type = c("g","p"),
xlab = "Initial color measure of lens",
ylab = "Color measure after 1 month"))
show(tmd(plt1))Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.