8.4 聚类(Clustering) hierarchical clustering 层次聚类应用
python实现:fromnumpyimport*classcluster_node:def__init__(self,vec,left=None,right=None,distance=0.0,id=None):self.left=leftself.right=rightself.vec=vecself.id=idself.distance=distancedefL2dist(v1,v2):re