LionNoses | R Documentation |
Ages (in years; age
) of 32 male lions and relative coloration of
their noses (proportion.black
).
LionNoses
A data frame with 32 observations on the following 2 variables.
a numeric vector
a numeric vector
Whitman, K., A.M. Starfield, H.S. Quadling and C. Packer. 2004. Sustainable trophy hunting of African lions. Nature 428: 175-178.
http://www.nature.com/nature/journal/v428/n6979/abs/nature02395.html
xyplot(age ~ proportion.black, LionNoses)
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