Researchers interested in the relationship between absenteeism from school and certain demographic characteristics of children collected data from 146 randomly sampled students in rural New South Wales, Australia, in a particular school year.
A data frame with 146 observations on the following 5 variables.
Ethnicity, representing Aboriginal (
A) or not (
Learner status, with average learner (
slow learner (
Number of days absent.
Venables WN, Ripley BD. 2002. Modern Applied Statistics with S. Fourth Edition. New York: Springer.
Data can also be found in the R
MASS package under the data set name
library(ggplot2) ggplot(absenteeism, aes(x = eth, y = days)) + geom_boxplot() + coord_flip()