hierarchical decomposition中文是什么意思

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Hierarchical method : create a hierarchical decomposition of the set of data objects .
层次的方法：对给定数据对象集合进行层次分解。
The basic idea for hierarchy - based method is that creating and maintaining a tree of clusters and sub - clusters according to some kind of criterion to measure the distance of clusters , the procedure will be sloped until some terminal conditions are satisfied . hierarchical clustering method can be further classified into agglomerative and divisive hierarchical clustering , depending on whether the hierarchical decomposition is formed in a bottom - up or top - down fashion . most hierarchical clustering methods can produce the better results when the clusters are compact or spherical in shape . but they do not perform well if the clusters are any shape or there are outliers . a main reason is that the most hierarchical clustering methods employ medoid - based measurement as distance between clusters
基于层次方法的聚类的基本思想足：根据给定的簇间距离度量准则，构造利维护一棵由簇利子簇形成的聚类树，直至满足某个终结条件为止。根据层次分解是自底向上还是自顶向下形成，层次聚类方法可以分为凝聚的( agglomerative )和分裂的( divisive ) 。人多数层次聚类算法在紧密簇或球形簇结构下能够产生较好的聚类效果。

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Last modified time:Thu, 14 Aug 2025 00:29:56 GMT