R Dataset / Package vcd / Butterfly
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. Try to load the Butterfly data set in R by issuing the following command at the console data("Butterfly"). This may 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 with library("vcd") followed by data("Butterfly"). Perhaps strangley, if R gives you no output after entering a command, it means the command succeeded. If it succeeded you can see the data by typing Butterfly at the command-line which should display the entire dataset.
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
Data from Fisher et al. (1943) giving the number of tokens found for each of 501 species of butterflies collected in Malaya.
A 1-way table giving the number of tokens for 501 species of butterflies. The variable and its levels are
Michael Friendly (2000), Visualizing Categorical Data, pages 21–22.
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.
Dataset imported from https://www.r-project.org.
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