首页|Decision tree support vector machine based on genetic algorithm for multi-class classification
Decision tree support vector machine based on genetic algorithm for multi-class classification
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To solve the multi-class fault diagnosis tasks, decision tree support vector machine (DTSVM), which combines SVM and decision tree using the concept of dichotomy, is proposed. Since the classification performance of DTSVM highly depends on its structure, to cluster the multi-classes with maximum distance between the clustering centers of the two sub-classes, genetic algorithm is introduced into the formation of decision tree, so that the most separable classes would be separated at each node of decisions tree. Numerical simulations conducted on three datasets compared with "one-against-all" and "one-against-one" demonstrate the proposed method has better performance and higher generalization ability than the two conventional methods.
support vector machine (SVM)decision treegenetic algorithmclassification
Huanhuan Chen、Qiang Wang、Yi Shen
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School of Astronautics, Harbin Institute of Technology, Harbin 150001, P. R. China
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