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离差平方和法
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离差平方和法
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Ward's method
离差平方和法
在对样本进行聚类时,采用方差分析的思想来测度类与类之间的距离,类内样本的离差平方和尽可能小,而类间的离差平方和尽可能大的一种聚类方法。又称Ward法。
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