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mcll (version 1.2)

salamander: Salamander mating dataset from McCullagh and Nelder (1989)

Description

The salamader dataset is from an experiment conducted at the University of Chicago in 1986 to study the extent to which mountain dusky salamanders from different populations would interbred. More detailed description of the data is given in McCullagh and Nelder (1989, Section 14.5).

The dataset contains 6 columns and 360 rows.

y
whether a mating was successful, Yes=1 and No=0.

female
identification number of the female salamander.

male
identification number of the male salamander.

group
group number; 1,2,3,4,5,6

experiment
experiment number; 1,2,3.

rbm
type of the male salamander; Rough Butt=1 and White Side=0

rbf
type of the female salamander; Rough Butt=1 and White Side=0

wsm
type of the male salamander; White Side=1 and Rough Butt=0

wsf
type of the female salamander; White Side=1 and Rough Butt=0

ww
interaction between female White Side and male White side; 1: a White Side female was crossed with a White Side male

Arguments

Source

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

Examples

Run this code

data(salamander) 
str(salamander)


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