%BWIDATA: MATLAB script M-file that defines data for 
%birds of the West Indies, taken from "The Canonical 
%distribution of commonness and rarity, Part I," by 
%F. W. Preston, in Ecology, vol. 43 (1962) 185-215.
%The data is from Table IV on p. 194.
A = [120 150 233 304 465 600 3435 4470 5450 11000 43000 47000]; %Island areas in square miles
S = [29 35 35 36 35 37 79 99 74 89 124 106]; %Number of bird species