Live birth rates in 1990 and 1998 for all states
Data for Example 1.10
Birth
A data frame/tibble with 51 observations on three variables
a character with levels Alabama,
Alaska, Arizona, Arkansas, California,
Colorado, Connecticut, Delaware, District of
Colunbia, Florida, Georgia, Hawaii, Idaho,
Illinois, Indiana, Iowa, Kansas, Kentucky,
Louisiana, Maine, Maryland, Massachusetts,
Michigan, Minnesota, Mississippi, Missour,
Montana, Nebraska, Nevada, New Hampshire, New
Jersey, New Mexico, New York, North Carolina, North
Dakota, Ohio, Oklahoma, Oregon, Pennsylvania,
Rhode Island, South Carolina, South Dakota,
Tennessee, Texas, Utah, Vermont, Virginia,
Washington, West Virginia, Wisconsin, and Wyoming
live birth rates per 1000 population
a factor with levels 1990 and 1998
National Vital Statistics Report, 48, March 28, 2000, National Center for Health Statistics.
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
rate1998 <- subset(Birth, year == "1998", select = rate)
stem(x = rate1998$rate, scale = 2)
hist(rate1998$rate, breaks = seq(10.9, 21.9, 1.0), xlab = "1998 Birth Rate",
main = "Figure 1.14 in BSDA", col = "pink")
hist(rate1998$rate, breaks = seq(10.9, 21.9, 1.0), xlab = "1998 Birth Rate",
main = "Figure 1.16 in BSDA", col = "pink", freq = FALSE)
lines(density(rate1998$rate), lwd = 3)
rm(rate1998)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.