该算法包包含了hierichal

				function [iris,irisc] = loadiris();				% LOADIRIS : loads the cluster IRIS benchmark data				% [iris,irisc] = loadiris()				%	iris  - a 4*150 matrix containing the 150 samples				%	irisc - a 1*150 category vector containing the category of each sample								% Copyright (c) 1995 Frank Dellaert				% All rights Reserved								load iris.txt;				irisc = iris(:,1)';				iris = iris(:,3:6)';