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单项选择题

相关性(Correlation)的公式为何()

A.corr({A},{B})=support({A})*support({B})
B.corr({A},{B})=support({A})*support({B})/support({A∩B})
C.corr({A},{B})=support({A∩B})/(support({A})*support({B}))
D.corr({A},{B})=support({A∩B})