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MASS (version 7.3-47)

eagles:

Description

Knight and Skagen collected during a field study on the foraging behaviour of wintering Bald Eagles in Washington State, USA data concerning 160 attempts by one (pirating) Bald Eagle to steal a chum salmon from another (feeding) Bald Eagle.

Usage

eagles

Arguments

Format

The eagles data frame has 8 rows and 5 columns.
y
Number of successful attempts.
n
Total number of attempts.
P
Size of pirating eagle (L = large, S = small).
A
Age of pirating eagle (I = immature, A = adult).
V
Size of victim eagle (L = large, S = small).

References

Venables, W. N. and Ripley, B. D. (1999) Modern Applied Statistics with S-PLUS. Third Edition. Springer.

Examples

Run this code
eagles.glm <- glm(cbind(y, n - y) ~ P*A + V, data = eagles,
                  family = binomial)
dropterm(eagles.glm)
prof <- profile(eagles.glm)
plot(prof)
pairs(prof)

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