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Quantitative Association Rules Based on Statistical Inference Theory [Aumann and Lindell@DMKD’03]
- Finding extraordinary and therefore interesting phenomena, e.g.,
- (Sex = female) => Wage: mean=$7/hr (overall mean = $9)
- LHS: a subset of the population
- RHS: an extraordinary behavior of this subset
- The rule is accepted only if a statistical test (e.g., Z-test) confirms the inference with high confidence
- Subrule: highlights the extraordinary behavior of a subset of the pop. of the super rule
- E.g., (Sex = female) ^ (South = yes) => mean wage = $6.3/hr
- Two forms of rules
- Categorical => quantitative rules, or Quantitative => quantitative rules
- E.g., Education in [14-18] (yrs) => mean wage = $11.64/hr
- Open problem: Efficient methods for LHS containing two or more quantitative attributes
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