284.txt

来自「This complete matlab for neural network」· 文本 代码 · 共 13 行

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]