Butterfly | R 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)