Butterfly {vcd} | 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)

[Package vcd version 0.9-6 Index]