Data for meta-analysis on the relationship between testosterone and
aggression.
Arguments
source
Kingsolver, J.G., H.E. Hoekstra, J.M. Hoekstra, D. Berrigan, S.N.
Vignieri, C.E. Hill, A. Hoang, P. Gibert, and P. Beerli. 2001. The strength
of phenotypic selection in natural populations. The American
Naturalist 157: 245-261.
histogram(~ strength.of.selection, Selection,n=40)
table(Selection$species) -> s
table(s)
s[s>10] # most common speciestable(Selection$traitname) -> t
table(t)
t[t>10] # most common traits