R Dataset / Package vcd / Butterfly

Documentation

On this Picostat.com statistics page, you will find information about the Butterfly data set which pertains to Butterfly Species in Malaya. The Butterfly data set is found in the vcd R package. You can load the Butterfly data set in R by issuing the following command at the console data("Butterfly"). This will load the data into a variable called Butterfly. If R says the Butterfly data set is not found, you can try installing the package by issuing this command install.packages("vcd") and then attempt to reload the data. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the Butterfly R data set. The size of this file is about 193 bytes.


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.

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Attachment Size
dataset-68907.csv 193 bytes
Dataset License
GNU General Public License v2.0
Documentation License
GNU General Public License v2.0