vcd: Butterfly – R documentation

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Butterfly

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)

vcd

Visualizing Categorical Data

v1.4-10

GPL-2

Authors

David Meyer [aut, cre], Achim Zeileis [aut] (<https://orcid.org/0000-0003-0918-3766>), Kurt Hornik [aut], Florian Gerber [ctb], Michael Friendly [ctb]

Initial release