What Is frequent pattern analysis? Frequent pattern: a pattern(a set of items, subsequences, substructures etc. that occurs frequently in a data set First proposed by agrawal, imielinski, and Swami [ais3] in the context of frequent itemsets and association rule mining Motivation Finding inherent regularities in data What products were often purchased together?-Beer and diapers? What are the subsequent purchases after buying a pc? What kinds of DNa are sensitive to this new drug Can we automatically classify web documents? pplications Basket data analysis cross-marketing catalog design, sale campaign analysis, Web log(click stream)analysis and dNa sequence analysis February 4, 2021 Data Mining: Concepts and TechniquesFebruary 4, 2021 Data Mining: Concepts and Techniques 4 What Is Frequent Pattern Analysis? ◼ Frequent pattern: a pattern (a set of items, subsequences, substructures, etc.) that occurs frequently in a data set ◼ First proposed by Agrawal, Imielinski, and Swami [AIS93] in the context of frequent itemsets and association rule mining ◼ Motivation: Finding inherent regularities in data ◼ What products were often purchased together?— Beer and diapers?! ◼ What are the subsequent purchases after buying a PC? ◼ What kinds of DNA are sensitive to this new drug? ◼ Can we automatically classify web documents? ◼ Applications ◼ Basket data analysis, cross-marketing, catalog design, sale campaign analysis, Web log (click stream) analysis, and DNA sequence analysis