EngrExpt (version 0.1-6)

urine: Mercury level in employee urine samples

Description

Mercury level in employee urine samples

References

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

Examples

str(urine)
dotplot(month ~ person1 + person2 + person3 + person4, urine,
        outer = FALSE, type = c("p","l"),
        auto.key = list(columns = 2, lines = TRUE, points = FALSE),
        xlab = "Mercury level in urine")