PRI动态聚类 包含了动态聚类的方法，运用的是分层聚类的思想，一开始每一个成员是一类，然后进行循环，直到满足聚类要求,其他的动态聚类都可以按照这种方法进行聚类-PRI dynamic clustering contains a dynamic clustering method, the use of the idea of hierarchical clustering, the beginning of each member is a class, and then loop, until