Day of Birth
Day of the week for 350 U.S. births in 1999.
A data frame with 7 observations on the following 2 variables.
a character vector
a numeric vector
Ventura, S.J., J.A. Martin, S.C. Curtin, F. Menacker, and B.E. Hamilton. 2001. Births: final data for 1999. National Vital Statistics Reports Vol. 49, No. 1.
DayOfBirth barchart( day ~ births, DayOfBirth, origin=0) # Fix bad ordering of days DayOfBirth$oday <- with(DayOfBirth, ordered(day, levels = day)) barchart( oday ~ births, DayOfBirth, origin=0) barchart( births ~ oday, DayOfBirth, horizontal = FALSE, origin=0) barchart( births ~ oday, DayOfBirth, horizontal = FALSE, origin=0, scales = list(x=list(rot=45))) barplot(DayOfBirth$births, ylim = c(0, 70), names.arg = DayOfBirth$day, las = 2, mgp = c(3, 0.75, 0))
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