284.txt

This complete matlab for neural network

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?

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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]