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Classification with Decision Trees

Classification with Decision Trees. Instructor: Qiang Yang Hong Kong University of Science and Technology Qyang@cs.ust.hk Thanks: Eibe Frank and Jiawei Han. DECISION TREE [Quinlan93]. An internal node represents a test on an attribute.

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570 views • 41 slides

Decision Trees

Decision Trees. a n introduction. Entropy over the class attribute. A class attribute contains uncertainty over the values uncertainty captured by entropy H( p ) of the target Increase certainty about the class by considering other attributes

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247 views • 24 slides

Decision Trees

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243 views • 24 slides

DECISION TREES

DECISION TREES. An internal node represents a test on an attribute. A branch represents an outcome of the test, e.g., Color=red. A leaf node represents a class label or class label distribution.

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199 views • 17 slides

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Information gain id3 c4 - PowerPoint PPT Presentation

Classification with Decision Trees

Decision Trees

Decision Trees

DECISION TREES