DOI Bookmark:
http://doi.ieeecomputersociety.org/10.1109/69.617056
Abstract—Discretization can turn numeric attributes into discrete ones. Feature selection can eliminate some irrelevant and/or redundant attributes. Chi2 is a simple and general algorithm that uses the χ [1] H. Almuallim and T.G. Dietterich, "Learning Boolean Concepts in the Presence of Many Irrelevant Features," Artificial Intelligence, vol. 69, nos. 1-2, pp. 279-305, Nov. 1994.[2] J. Catlett, "On Changing Continuous Attributes into Ordered Discrete Attributes," European Working Session on Learning, 1991.[3] U.M. Fayyad and K.B. Irani, "The Attribute Selection Problem in Decision Tree Generation," Proc. AAAI-92, Ninth Int'l Conf. Artificial Intelligence, pp. 104-110. AAAI Press/The MIT Press, 1992.[4] R. Kerber, "ChiMerge: Discretization of Numeric Attributes," Proc. AAAI-92, Ninth Int'l Conf. Artificial Intelligence, pp. 123-128. AAAI Press/The MIT Press, 1992.[5] K. Kira and L.A. Rendell, "The Feature Selection Problem: Traditional Methods and a New Algorithm," Proc. AAAI-92, Ninth Int'l Conf. Artificial Intelligence, pp. 129-134. AAAI Press/The MIT Press, 1992.[6] H. Liu and W.X. Wen, "Concept Learning Through Feature Selection," Proc. First Australian and New Zealand Conf. Intelligent Information Systems, 1993.[7] J. Murdoch and J.A. Barnes, Statistical Tables for Science, Engineering, Management, and Business Studies, MacMillan Press Ltd., 1986.[8] J.R. Quinlan, C4.5: Programs for Machine Learning,San Mateo, Calif.: Morgan Kaufman, 1992.[9] H. Ragavan and L. Rendell, "Lookahead Feature Construction for Learning Hard Concepts," Machine Learning: Proc. Seventh Int'l Conf., pp. 252-259.San Mateo, Calif.: Morgan Kaufmann, 1993.[10] H. Liu and R. Setiono, "A Probabilistic Approach to Feature Selection—A Filter Solution," Proc. 13th Int'l Conf. Machine Learning, pp. 319-327, 1996.[11] I. Sethi and G. Savarajudu, "Hierarchical Classifier Design Using Mutual Information," IEEE Trans. Pattern Analysis and Machine Intelligence, vol. 4, pp. 441-445, July 1982.[12] N. Wyse, R. Dubes, and A.K. Jain, "A Critical Evaluation of Intrinsic Dimensionality Algorithms," E.S. Gelsema and L.N. Kanal, eds., Pattern Recognition in Practice, pp. 415-425.San Mateo, Calif.: Morgan Kaufmann, 1980.
Index Terms:
Discretization, feature selection, pattern classification.
Citation:
Huan Liu, Rudy Setiono, "Feature Selection via Discretization," IEEE Transactions on Knowledge and Data Engineering, vol. 9, no. 4, pp. 642-645, July 1997, doi:10.1109/69.617056
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