Format
A data frame with 12 observations on the following 2 variables.
- locality
- a factor with levels:
Benton
and
Warrenton
- resistance
- a numeric vector
Source
Geffeney, S., E.D. Brodie, Jr., P.C. Ruben, and E.D. Brodie III.
2002. Mechanisms of adaptation in a predator-prey arms race: TTX-resistant
sodium channels. Science 297: 1336-1339.