📄 284.txt
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发信人: ardu (阿堵), 信区: DataMining
标 题: What the "lift" means in association mining
发信站: 南京大学小百合站 (Thu Dec 12 12:21:34 2002)
In association discovery:
The third measurement is called lift. The lift of a rule indicates the factor by which the actual confidence exceeds the expected confidence.
What does that mean?
--
未经沧海仍为水,难却巫山还是云
※ 来源:.南京大学小百合站 http://bbs.nju.edu.cn [FROM: 61.170.148.32]
※ 修改:.ardu 於 Dec 12 12:23:03 2002 修改本文.[FROM: 61.170.148.32]
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