EngrExpt (version 0.1-6)

uvoven: UV absorbance for lens cured in different ovens

Description

UV absorbance for lens cured in different ovens

References

Peter R. Nelson, Marie Coffin and Karen A. F. Copeland (2003), Introductory Statistics for Engineering Experimentation, Elsevier. (Appendix A)

Examples

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)
    })