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Sixth International Conference on Parallel and Distributed Computing Applications and Technologies (PDCAT'05)
Decision Tree?s Pruning Algorithm Based on Deficient Data Sets
Dalian, China
December 05-December 08
ISBN: 0-7695-2405-2
ZHANG Yong, Dalian University of Technology, Dalian, China
CHI Zhong-xian, Dalian University of Technology, Dalian, China
WANG Da-gong, School of Software,Beijing University of Aeronautics, China
ID3 algorithm is a decision tree induction algorithm, but its pruning method (EEP) is an ineffective method when the data sets are deficient, uncertain. In this paper we analyze and study the ID3 algorithm and its pruning methods, then improve on EEP algorithm, and put forward a new pruning method - IEEP which can prune more unknown nodes and can not fall algorithm accuracy rate. We present experimental results that show the method performs better than alternatives, especially when dealing with deficient data sets.
Citation:
ZHANG Yong, CHI Zhong-xian, WANG Da-gong, "Decision Tree?s Pruning Algorithm Based on Deficient Data Sets," pdcat, pp.1030-1032, Sixth International Conference on Parallel and Distributed Computing Applications and Technologies (PDCAT'05), 2005
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