期刊
NEUROCOMPUTING
卷 225, 期 -, 页码 23-30出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.neucom.2016.11.015
关键词
Missing data imputation; Generative and discriminative model
资金
- Demand-linked Daily Healthcare Demonstration Complex Construction Project through Information and Communication Promotion Fund of Ministry of Science, ICT and Future Planning
Missing feature is a common problem in real-world data classification. Therefore, a robust classification method is required when classifying data with missing features. In this study, we propose an iterative algorithm composed of a generative model that works in conjunction with a discriminative model in a cycle. The Gaussian mixture model (GMM) and the multilayer perceptron (MLP) (or the support vector machine (SVM)) present the generative and discriminative parts of the proposed algorithm, respectively. This study conducted two experiments using UC Irvine datasets. One is to show the superiority of the proposed method through its higher classification accuracy compared with previous classification methods including with respect to marginalization, mean imputation, conditional mean imputation, and zero-mean imputation. The other is to compare classification accuracy of the proposed method with that of conventional the state-of-the-art GMM-based approaches to the missing data problem.
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