Evaluating the Effectiveness of Data Mining Techniques in Credit Scoring of Bank Customers Using Mathematical Models: A Case Study of Individual Borrowers of Refah Kargaran Bank in Zanjan Province, Iran

Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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تاریخ نمایه سازی: 11 آذر 1401


Loan deferment is a negative consequence of the activities of financial institutions. Increase in the amount of deferred loans can diminish productivity in the banking sector. The purpose of the present research is to cluster bank customers in order to prevent loan deferment and identify and classify customers with varying levels of loan repayment risk. In the proposed method, k-means, two-step, and Kohonen techniques are used for clustering and determining the behavior of each cluster. The results indicate that the k-means model with five clusters has the highest clustering accuracy. Clustering is also used to determine underlying feauture. loan term, loan value, and collateral value are respectively identified as the most influential feauture . Customers are clustered after removing non-significant feautures. Eight different machine learning techniques are used for clustering. These techniques are ranked in terms of efficiency based on certain evaluation criteria and using data envelopment analysis. The results indicated that support vector machine (SVM) and artificial neural networks (ANN) are the most efficient of the examined techniques


Credit Scoring , Clustering , Data Mining , Data Envelopment Analysis (DEA)


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PhD Student of Industrial Management, Alborz Faculty, University of Tehran, Tehran, Iran

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Professor, Faculty of Management, University of Tehran, Tehran, Iran

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Professor, Faculty of Management, University of Tehran, Tehran, Iran.