R Dataset / Package vcd / Butterfly

Submitted by pmagunia on March 9, 2018 - 1:06 PM
Dataset License
GNU General Public License v2.0
Attachment Size
dataset-68907.csv 193 bytes
Documentation

Butterfly Species in Malaya

Description

Data from Fisher et al. (1943) giving the number of tokens found for each of 501 species of butterflies collected in Malaya.

Usage

data("Butterfly")

Format

A 1-way table giving the number of tokens for 501 species of butterflies. The variable and its levels are

No Name Levels
1 nTokens 0, 1, ..., 24

Source

Michael Friendly (2000), Visualizing Categorical Data, pages 21–22.

References

R. A. Fisher, A. S. Corbet, C. B. Williams (1943), The relation between the number of species and the number of individuals, Journal of Animal Ecology, 12, 42–58.

M. Friendly (2000), Visualizing Categorical Data. SAS Institute, Cary, NC.

Examples

data("Butterfly")
Ord_plot(Butterfly)
--

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

Documentation License
GNU General Public License v2.0

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