Support vector bankruptcy prediction model with optimal choice of radial basis function kernel parameter values using grid search

Support vector bankruptcy prediction model with optimal choice of radial basis function kernel parameter values using grid search

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Article ID: iaor20063447
Country: South Korea
Volume: 30
Issue: 1
Start Page Number: 55
End Page Number: 74
Publication Date: Mar 2005
Journal: Journal of the Korean ORMS Society
Authors: ,
Keywords: neural networks
Abstract:

Bankruptcy prediction has drawn a lot of research interests in previous literature, and recent studies have shown that machine learning techniques achieved better performance than traditional statistical ones. This paper employs a relatively new machine learning technique, support vector machines (SVMs), to bankruptcy prediction problem in an attempt to suggest a new model with better explanatory power and stability. To serve this purpose, we use grid search technique using 5-fold cross-validation to find out the optimal values of the parameters of kernel function of SVM. In addition, to evaluate the prediction accuracy of SVM, we compare its performance with multiple discriminant analysis (MDA), logistic regression analysis (Logit), and three-layer fully connected back-propagation neural networks (BPMs). The experiment results show that SVM outperforms the other methods.

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