Crabs: Crabs Data

Description Usage Format Source References Examples

Description

Horseshoe crab data in Table 4.3.2 (Agresti, Categ. Data Anal., 3nd edition) by courtesy of Jane Brockmann, Zoology Department, University of Florida.

Usage

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data("Crabs")

Format

A data frame with 173 observations on the following 6 variables.

crab

crab id

y

number of satellites

weight

in kg

width

carapace width in cm

color

has values 1-4 with 1=light

spine

spine condition

Source

<http://www.stat.ufl.edu/~aa/cda/data.html>

References

Agresti, A. (2013). Categorical Data Analysis. Wiley, 3d ed.

Brockmann, H. J. (1996), Satellite Male Groups in Horseshoe Crabs, Limulus polyphemus. Ethology, 102: 1-21.

Examples

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touchard documentation built on May 31, 2019, 5:04 p.m.