Description

As an example of field observation in evidence of theories of sexual selection, S.J. Arnold and M.J. Wade presented the following data set on size and number of mates observed in 38 bullfrogs.

Usage

Format

A data frame with 38 observations on the following 2 variables.

Bodysize

Body size (in mm)

Mates

Number of mates

Source

Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.

References

Arnold, S.J. and Wade, M.J. (1984). On the Measurement of Natural and Sexual Selection: Aplications, Evolution 38: 720–734.

Examples