Web site visits over a 3-week period
Web site visits over a 3-week period
A data frame with 21 observations on the following variable.
visitsa numeric vector
Peter R. Nelson, Marie Coffin and Karen A. F. Copeland (2003), Introductory Statistics for Engineering Experimentation, Elsevier. (Appendix A)
str(webvisit)
densityplot(~ visits, webvisit,
xlab = "Web site visits in a 3-week period")
qqmath(~ visits, webvisit, aspect = 1, type = c("g","p"),
ylab = "Web site visits in a 3-week period",
xlab = "Standard normal quantiles")
with(webvisit, summary(visits))Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.