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Nazari, Abdollah, Mehregan, Mohammadreza, Tehrani, Reza. (1399). 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. هنرهای کاربردی, 11(Special Issue), 299-309. doi: 10.22075/ijnaa.2020.4604
Abdollah Nazari; Mohammadreza Mehregan; Reza Tehrani. "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". هنرهای کاربردی, 11, Special Issue, 1399, 299-309. doi: 10.22075/ijnaa.2020.4604
Nazari, Abdollah, Mehregan, Mohammadreza, Tehrani, Reza. (1399). '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', هنرهای کاربردی, 11(Special Issue), pp. 299-309. doi: 10.22075/ijnaa.2020.4604
Nazari, Abdollah, Mehregan, Mohammadreza, Tehrani, Reza. 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. هنرهای کاربردی, 1399; 11(Special Issue): 299-309. doi: 10.22075/ijnaa.2020.4604

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

International Journal of Nonlinear Analysis and Applications
دوره 11، Special Issue، بهمن 2020، صفحه 299-309    اصل مقاله (478.72 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22075/ijnaa.2020.4604
نویسندگان
Abdollah Nazari* 1؛ Mohammadreza Mehregan2؛ Reza Tehrani3
1PhD Student of Industrial Management, Alborz Faculty, University of Tehran, Tehran, Iran
2Professor, Faculty of Management, University of Tehran, Tehran, Iran
3Professor, Faculty of Management, University of Tehran, Tehran, Iran.
تاریخ دریافت: 30 بهمن 1398،  تاریخ بازنگری: 12 مرداد 1399،  تاریخ پذیرش: 22 مرداد 1399 
چکیده
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
کلیدواژه‌ها
Credit Scoring؛ Clustering؛ Data Mining؛ Data Envelopment Analysis (DEA)
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