FP-growth算法
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FP-growth算法

　　你用过搜索引擎吗？输入一个单词或者一个单词的一部分，搜索引擎就会自动补全查询词项。用户甚至事先都不知道搜索引擎推荐的东西是否存在，反而会去查找推荐词项。那么这些推荐词项是如何被搜索引擎找到的？那是因为研究人员使用了FP-growth算法，它是基于Apriori构建的，但完成相同任务时将数据集存储在一个特定的称作FP树的结构之后发现频繁项集或频繁项对，即常在一起出现的元素项的集合FP树。这是一种比Apriori执行速度更快的算法，能高效地发现频繁项集，但不能用于发现关联规则。

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