如下表所示,X={butter, cheese},Y={beer},则置信度confidence(X→Y)=()。交易号(TID)商品(Items)1beer, diaper, nuts2beer, biscuit, diaper3bread, butter, cheese4beer, cheese, diaper, nuts5beer, butter, cheese, nuts
如下表所示,X={butter, cheese},Y={beer},则置信度confidence(X→Y)=()。交易号(TID)商品(Items)1beer, diaper, nuts2beer, biscuit, diaper3bread, butter, cheese4beer, cheese, diaper, nuts5beer, butter, cheese, nuts
A.1/2
B.1/3
C.1/4
D.2/5
正确答案:1/2
Tag:数据挖掘与python实践 商品
时间:2021-12-30 20:57:34
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