Service Analytics

7.(Sequential) Pattern Analysis

Definitions of terms - apriori algorithmus

  • Itemset is set of items contained in I
  • k-itemset contains k items
    • For example, {beans, squash} = 2-itemset, from roadside stand set
  • Itemset Frequency (= Absolute Support) is number of transactions containing specific itemset
  • Frequent Itemset occurrence greater than or equal to minimum threshold suppmin
  • We denote the set of all frequent k-itemsets as Fk

Diskussion