Bankruptcy Prediction in Banks by Principal Component Analysis Threshold Accepting trained Wavelet Neural Network Hybrid

This paper proposes new principal component analysis-wavelet neural network hybrid (PCA-TAWNN) architecture trained by Threshold Accepting (TA) algorithm to predict bankruptcy in banks. This architecture consists of an input layer, the principal component layer consisting of a few selected principal components, a hidden layer with wavelet activation function and finally an output layer with a sigmoid activation function. The effectiveness of PCA-TAWNN is tested on Turkish, Spanish and UK banks bankruptcy datasets and two benchmark datasets Wine and WBC. We observed that PCA-TAWNN convincingly outperformed other techniques in terms of Area under ROC curve (AUC) in 10-fold cross-validation.

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