Top20 contains data (in millions of dollars)
corresponding to the earnings of 15 randomly selected tennis players
whose earnings fall
somewhere in positions 20 through 100 of ranked earnings.
Usage
Top20
Arguments
source
http://www.atptennis.com/en/
References
Ugarte, M. D., Militino, A. F., and Arnholt, A. T. (2008)
Probability and Statistics with R. Chapman & Hall/CRC.