preseqR (version 4.0.0)

WillButterfly: Fisher's butterfly data

Description

Frequencies data of butterflies collected in the Malay peninsula was from Fisher, R. A., Corbet, A. S., & Williams, C. B. (1943).

Details

A two-column matrix. The first column is the frequency \(j = 1,2,\dots\); and the second column is \(n_j\), the number of butterflies captured exactly \(j\) times in the sample.

References

Fisher, R. A., Corbet, A. S., and Williams, C. B. ,1943, The Relation Between the Number of Species and the Number of Individuals in a Random Sample of an Animal Population, Journal of Animal Ecology, 12, 42-58, Table 3.

Examples

# NOT RUN {
##load library
library(preseqR)

##load data
data(WillButterfly)
# }