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Erschienen in:
2007 | OriginalPaper | Buchkapitel
Combining SVM Classifiers Using Genetic Fuzzy Systems Based on AUC for Gene Expression Data Analysis
verfasst von : Xiujuan Chen, Yichuan Zhao, Yan-Qing Zhang, Robert Harrison
Erschienen in: Bioinformatics Research and Applications
Verlag: Springer Berlin Heidelberg
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Recently, the use of Receiver Operating Characteristic (ROC) Curve and the area under the ROC Curve (AUC) has been receiving much attention as a measure of the performance of machine learning algorithms. In this paper, we propose a SVM classifier fusion model using genetic fuzzy system. Genetic algorithms are applied to tune the optimal fuzzy membership functions. The performance of SVM classifiers are evaluated by their AUCs. Our experiments show that AUC-based genetic fuzzy SVM fusion model produces not only better AUC but also better accuracy than individual SVM classifiers.