%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 = [43000 11000 47000 4470 3435 5450 465 600 304 233 150 120]; %Island areas in square miles
S = [124 89 106 99 79 74 35 37 36 35 35 29]; %Number of bird species