Objective to establish the difficulty degrees of 49 complicated knowledge points in Health Statistics with hierarchical cluster method according to the teaching syllabus.
目的依据教学大纲，用聚类分析确定《卫生统计学》49个复合知识点的难度等级。
The text analyses the hydrologic data of similar, and confirm the method of the hydrologic similar year, to use the cluster analysis for the condensation algorithm of the hierarchical cluster.
本文通过对水文数据相似性进行分析，提出了采用聚类分层分析，以相似距离为尺度的水文相似年查找方法。
The cluster distance computing method is the key issue affecting the performance of hierarchical clustering algorithm.
在聚类的过程中簇间距离计算的准确性是影响算法性能的重要因素。
The cluster distance computing method is the key issue affecting the performance of hierarchical clustering algorithm.
在聚类的过程中簇间距离计算的准确性是影响算法性能的重要因素。
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