Itemset Support

An itmset support is the ratio of records in which an itemset appears in relation to the record set cardinality.

• AKA: Itemset Proportion.
  • …
• Counter-Example(s):
  • an Itemset Cardinality.
  • an Itemset Confidence.
• See: Minimum Itemset Support.

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References

2007

• Howard Hamilton. (2007). “[1] Computer Science 831: Knowledge Discovery in Databases, University of Regina.
  • Support, supp(X) of an itemset X is the ratio of transactions in which an itemset appears to the total number of transactions.

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