Description

Mating preference in 9 populations of three-spined sticklebacks.

Format

A data frame with 9 observations of one variable.

preference.index

a numeric vector

Source

McKinnon, J. S., S. Mori, B.K. Blackman, L. David, D.M. Kingsley, L. Jamieson, J. Chou, and D. Schluter. 2004. Evidence for ecology's role in speciation. Nature 429: 294-298.

References

http://www.nature.com/nature/journal/v429/n6989/abs/nature02556.html

Examples