Data Mining Association Analysis: Basic Concepts and ...
Association Rule Mining Task OGiven a set of transactions T, the goal of association rule mining is to find all rules having – support ≥minsup threshold – confidence ≥minconf threshold OBrute-force approach: – List all possible association rules – Compute the support and confidence for each rule – Prune rules that fail the minsup ...
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www-users.cse.umn.eduAssociation Rule An association rule is an implication expression of the form X −→ Y, where X and Y are disjoint itemsets, i.e., X ∩ Y = ∅.The strength of an association rule can be measured in terms of its support and confidence. Support determines how often a …
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