Nuclear energy (in TOE, tons of oil equivalent) produced in 12 randomly selected European countries during 2003
TOE
A data frame with 12 observations on the following variable:
energy
(nuclear energy measured in tons of oil equivalent)
Ugarte, M. D., Militino, A. F., and Arnholt, A. T. 2015. Probability and Statistics with R, Second Edition. Chapman & Hall / CRC.
ggplot(data = TOE, aes(x = energy)) + geom_density(color = "red", alpha = 0.3,
fill = "pink")