R Dataset / Package MASS / eagles

On this R-data statistics page, you will find information about the eagles data set which pertains to Foraging Ecology of Bald Eagles. The eagles data set is found in the MASS R package. You can load the eagles data set in R by issuing the following command at the console data("eagles"). This will load the data into a variable called eagles. If R says the eagles data set is not found, you can try installing the package by issuing this command install.packages("MASS") and then attempt to reload the data with the library() command. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the eagles R data set. The size of this file is about 160 bytes.

Foraging Ecology of Bald 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

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).

Source

Knight, R. L. and Skagen, S. K. (1988) Agonistic asymmetries and the foraging ecology of Bald Eagles. Ecology 69, 1188–1194.

References

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

Examples

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)

Dataset imported from https://www.r-project.org.

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