Itemset Frequency

An Itemset Frequency is a the Cardinality of an Itemset.

• AKA: Itemset Support Count.
• Context:
  • It can be used to define a Frequent Itemset.
  • …
• Counter-Example(s):
  • Angular Frequency,
  • Occurrence Frequency,
  • Physical Frequency Measure.
• See: Statistic, Frequent Pattern, Physical Measure, Probability Function, Period, Time.

---

---

References

2004

• (Sivanandam et al., 2004) ⇒ S. N. Sivanandam, D. Sumathi, T. Hamsapriya, and K. Babu. (2004). “Parallel Buddy Prima – A Hybrid Parallel Frequent itemset mining algorithm for very large databases." Retrieved from http://www.acadjournal.com.
  • The definition of a frequent pattern relies on the following considerations. A set of items is referred to as an itemset (pattern). An itemset that contains [math]\displaystyle{ k }[/math] items is a k-itemset. The set {X, Y} is a 2- itemset. The occurrence frequency of an itemset transactions that contain the itemset. This is also known as the frequency or the support count of an itemset.

---