UV absorbance for lens cured in different ovens
UV absorbance for lens cured in different ovens
A data frame with 60 observations on the following 2 variables.
ovenoven - a factor with levels A B
uvUV absorbance
Peter R. Nelson, Marie Coffin and Karen A. F. Copeland (2003), Introductory Statistics for Engineering Experimentation, Elsevier. (Appendix A)
str(uvoven)
summary(uvoven)
densityplot(~ uv, uvoven, groups = oven, auto.key = list(columns = 2),
xlab = "UV absorbance")
qqmath(~ uv, uvoven, groups = oven,
auto.key = list(space = "right", title = "Oven"),
xlab = "Standard normal quantiles", type = c("p","g"),
ylab = "UV absorbance",
panel = function(...)
{
panel.qqmath(...)
panel.qqmathline(..., alpha = 0.5)
})Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.