Question

What is data generalization and summarization-based characterization?

Answer 1

Data generalization and summarization-basedcharacterizationAnalytical characterization: Analysis of attribute relevanceMining class comparisons: Discriminating betweendifferent classesMining descriptive statistical measures in large databasesDiscussionSummary

Answer 2

Data Generalization:

• A process which abstract a data base a set of task relevant data in data base from a low conceptual level to higher ones.
• The approach is data cube approach and Attributed oriented induction approach.
• It was proposed in 1989.
• It collects the task which is relevant data and using a relational database query.  

The summarization-based characterization is providing a concise as well as succinct summarization of the provided collected data.

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What is concept description data generalization and summarization based characterization?

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Generalization error measures how well an algorithm perform on unseen data.The test error obtained using cross-validation is an estimate of the generalization error. Is this estimate unbiased?

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