9.4 Classification Using Frequent Patterns

Frequent patterns show interesting relationships between attribute–value pairs that occur frequently in a given data set. For example, we may find that the attribute–value pairs image and image occur in 20% of data tuples describing AllElectronics customers who buy a computer. We can think of each attribute–value pair as an item, so the search for these frequent patterns is known as frequent pattern mining or frequent itemset mining. In Chapters 6 and 7, we saw how association rules are derived from frequent patterns, ...

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