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Constraints in Data Mining
- Knowledge type constraint:
- classification, association, etc.
- Data constraint — using SQL-like queries
- find product pairs sold together in stores in Chicago this year
- Dimension/level constraint
- in relevance to region, price, brand, customer category
- Rule (or pattern) constraint
- small sales (price < $10) triggers big sales (sum > $200)
- Interestingness constraint
- strong rules: min_support ≥ 3%, min_confidence ≥ 60%
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