聚类分析指将物理或抽象对象的集合分组为由类似的对象组成的多个类的分析过程。它是一种重要的人类行为。聚类分析的目标就是在相似的基础上收集数据来分类(Clustering analysis refers to the grouping of physical or abstract objects into groups that are composed of similar objects. It is an important human behavior. The goal of cluster analysis is to classify data on a similar basis)