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ScientificWorldJournal. 2014 Mar 23;2014:536434. doi: 10.1155/2014/536434. eCollection 2014.

New fuzzy support vector machine for the class imbalance problem in medical datasets classification.

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  • 1School of Information Science and Engineering, Changzhou University, Changzhou 213164, China.

Abstract

In medical datasets classification, support vector machine (SVM) is considered to be one of the most successful methods. However, most of the real-world medical datasets usually contain some outliers/noise and data often have class imbalance problems. In this paper, a fuzzy support machine (FSVM) for the class imbalance problem (called FSVM-CIP) is presented, which can be seen as a modified class of FSVM by extending manifold regularization and assigning two misclassification costs for two classes. The proposed FSVM-CIP can be used to handle the class imbalance problem in the presence of outliers/noise, and enhance the locality maximum margin. Five real-world medical datasets, breast, heart, hepatitis, BUPA liver, and pima diabetes, from the UCI medical database are employed to illustrate the method presented in this paper. Experimental results on these datasets show the outperformed or comparable effectiveness of FSVM-CIP.

PMID:
24790571
[PubMed - indexed for MEDLINE]
PMCID:
PMC3982259
Free PMC Article
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