salamander {hglm.data}R Documentation

Salamander mating data set from McCullagh and Nelder (1989)

Description

‘salamader’ data set presents the outcome of an experiment which was conduceted at the University of Chicago in 1986 to study the extent at which mountain dusky salamanders from different populations would interbred. More detailed description of the data is given in its original source, McCullagh and Nelder (1989).

Format

‘salamander’ data set contains 6 columns and 360 rows. A brief description of the data columns is given below.

Season

The seasons, Spring and Summer of 1986, when the experiment was carried out.

Experiment

Experiment number; 1,2,3.

TypeM

Type of the male salamander; Rough Butt=R and White Side=W

TypeF

Type of the female salamander; Rough Butt=R and White Side=W

Cross

Cross between female and male type e.g. Cross=WR mean a White Side female was crossed with a Rough Butt male.

Male

Identification number of the male salamander.

Female

Identification number of the female salamander.

Mate

Whether a mating was observed, Yes=1 and No=0.

Source

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


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