WillButterfly {preseqR} | R Documentation |
Frequencies data of butterflies collected in the Malay peninsula was from Fisher, R. A., Corbet, A. S., & Williams, C. B. (1943).
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.
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.
##load library
library(preseqR)
##load data
data(WillButterfly)