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  1. Dec 6, 2009 · Association rule mining finds frequent patterns and correlations among items in transaction databases. It involves two main steps: 1) Frequent itemset generation: Finds itemsets that occur together in a minimum number of transactions (above a support threshold). This is done efficiently using the Apriori algorithm.

  2. Mar 18, 2016 · This document discusses association rule mining. Association rule mining finds frequent patterns, associations, correlations, or causal structures among items in transaction databases. The Apriori algorithm is commonly used to find frequent itemsets and generate association rules.

  3. Association rules The goal of mining association rules is to generate all possible rules that exceed some minimum user-specified support and confidence.

  4. Sep 22, 2018 · Association Rule Mining - ppt download. Published by Penelope Parsons Modified over 5 years ago. Embed. Download presentation. Presentation on theme: "Association Rule Mining"— Presentation transcript: 1 Association Rule Mining. September 22, 2018 Data Mining: Concepts and Techniques.

  5. Given a set of transactions T, the goal of association rule mining is to find all rules having. support ≥ minsup threshold. confidence ≥ minconf threshold. Brute-force approach: List all possible association rules. Compute the support and confidence for each rule.

  6. Confidence: The rule holds in T with confidence conf if conf% of tranactions that contain X also contain Y. conf = Pr(Y | X) An association rule is a pattern that states when X occurs, Y occurs with certain probability. ¡ n q Z Zl Z Z` Z ÿþ 33Ìþ 3 € € € „ 33Ìþ „ 33Ìþ 33Ìþ 33Ìþ „ 33Ìþ â...

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