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Mining Class Comparisons
- Comparison: Comparing two or more classes
- Method:
- Partition the set of relevant data into the target class and the contrasting class(es)
- Generalize both classes to the same high level concepts
- Compare tuples with the same high level descriptions
- Present for every tuple its description and two measures
- support - distribution within single class
- comparison - distribution between classes
- Highlight the tuples with strong discriminant features
- Relevance Analysis:
- Find attributes (features) which best distinguish different classes
Speaker notes:
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