一种高效的聚类算法给定要聚类的N的对象以及N*N的距离矩阵(或者是相似性矩阵), 层次式聚类方法的基本步骤(参看s.C. johnson in 1967)-An efficient clustering algorithm given the object of the clustering N and N* N matrix of distances (or similarity matrix), the basic steps of the hierarchical clustering m