salamander: Salamander mating data set from McCullagh and Nelder (1989)

Description Usage Format References Examples

Description

This data set presents the outcome of an experiment conducted at the University of Chicago in 1986 to study interbreeding between populations of mountain dusky salamanders.

Usage

1

Format

A data frame with the following columns:

Mate

Whether the salamanders mated (1) or did not mate (0).

Cross

Cross between female and male type. A factor with four levels: R/R,R/W,W/R, and W/W. The type of the female salamander is listed first and the male is listed second. Rough Butt is represented by R and White Side is represented by W. For example, Cross=W/R indicates a White Side female was crossed with a Rough Butt male.

Male

Identification number of the male salamander. A factor.

Female

Identification number of the female salamander. A factor.

References

McCullagh P. and Nelder, J. A. 1989. Generalized Linear Models, Section 14.5, Chapman and Hall/CRC.

Examples

1


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