期刊
SOFT COMPUTING
卷 17, 期 4, 页码 643-650出版社
SPRINGER
DOI: 10.1007/s00500-012-0936-z
关键词
Total least squares method; Proximal support vector machine; Credit risk evaluation
资金
- National Science Fund for Distinguished Young Scholars [71025005]
- National Natural Science Foundation of China [90924024]
In this paper, a total least squares (TLS) version of proximal support vector machines (PSVM) is proposed for credit risk evaluation. The formulation of this new model is different from the original PSVM model, so a novel iterative algorithm is proposed to solve this model. A simulation test is first implemented on a classic two-spiral dataset, and then an empirical experiment is conducted on two publicly available credit datasets. The experimental results show that the proposed total least squares PSVM (TLS-PSVM) is at least comparable with PSVM and better than other models including standard SVM model.
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