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Erschienen in:
2011 | OriginalPaper | Buchkapitel
Hybrid Correlation and Causal Feature Selection for Ensemble Classifiers
verfasst von : Rakkrit Duangsoithong, Terry Windeatt
Erschienen in: Ensembles in Machine Learning Applications
Verlag: Springer Berlin Heidelberg
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PC and TPDA algorithms are robust and well known prototype algorithms, incorporating constraint-based approaches for causal discovery. However, both algorithms cannot scale up to deal with high dimensional data, that is more than few hundred features. This chapter presents hybrid correlation and causal feature selection for ensemble classifiers to deal with this problem. Redundant features are removed by correlation-based feature selection and then irrelevant features are eliminated by causal feature selection. The number of eliminated features, accuracy, the area under the receiver operating characteristic curve (AUC) and false negative rate (FNR) of proposed algorithms are compared with correlation-based feature selection (FCBF and CFS) and causal based feature selection algorithms (PC, TPDA, GS, IAMB).