Frequent Itemsets and Association rules Association Rules Market-Baskets-(2) Really a general many-many mapping(association) between two kinds of things But we ask about connections among items not baskets The technology focuses on common events, not rare events(long tail 4Frequent Itemsets and Association Rules 4 Market-Baskets – (2) ▪ Really a general many-many mapping (association) between two kinds of things. ▪ But we ask about connections among “items,” not “baskets.” ▪ The technology focuses on common events, not rare events (“long tail”). Association Rules