另一种挖掘技术是基于数学统计的聚类分析，着重讲述系统聚类法。
The other is cluster analysis that is on the basis of mathematical statistics and introduces system clustering especially.
然后是用F—统计量法对物流节点类型确定的聚类结果进行校验，分析其聚类效果是否满意，合并是否合理。
Thirdly, use F-test to analyze whether the results got by the method forward used are satisfactory and reasonable or not.
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