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Data Mining Function: Association and Correlation Analysis

  • Frequent patterns (or frequent itemsets)
    • What items are frequently purchased together in your Walmart?
  • Association, correlation vs. causality
    • A typical association rule
      • Diaper → Beer [0.5%, 75%] (support, confidence)
    • Are strongly associated items also strongly correlated?
  • How to mine such patterns and rules efficiently in large datasets?
  • How to use such patterns for classification, clustering, and other applications?

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