Milk n Nuts, Coffee, Diaper, Eggs, Milk Customer buys both Customer buys beer Customer buys diaper Find all the rules X à Y with minimum support and confidence n support, s, probability that a transaction contains X and Y n confidence, c, conditional probability that a transaction having X also contains Y Let minsup = 50%, minconf = 50% Freq. Pat.: Beer:3, Nuts:3, Diaper:4, Eggs:3, {Beer, Diaper}:3 n Association rules: (many more!) n Beer à Diaper (60%, 100%) n Diaper à Beer…
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