Credit Card Fraud Detection Using LSTM Algorithm

Credit Card Fraud Detection Using LSTM Algorithm

Authors

  • sinan diwan Computer Sciences and Information Technology College, Wasit University, Iraq
  • Prof. Dr. Yanash Azwin Mohmad Faculty of Computer Science and Information Technology, Universiti Tun Hussein Onn Malaysia (UTHM), Malaysia

DOI:

https://doi.org/10.31185/wjcm.60

Keywords:

Artificial intelligent, LSTM, Kolmogorov–Smirnov

Abstract

With the rapid growth of consumer credit and the huge amount of financial data developing effective credit scoring models is very crucial. Researchers have developed complex credit scoring models using statistical and artificial intelligence (AI) techniques to help banks and financial institutions to support their financial decisions. Neural networks are considered as a mostly wide used technique in finance and business applications. Thus, the main aim of this search is to help bank management in scoring credit card clients using machine learning by modelling and predicting the consumer behavior with respect to two aspects: the probability of single and consecutive missed payments for credit card customers. The proposed model is based on the bidirectional Long-Short Term Memory (LSTM) model to give the probability of a missed payment during the next month for each customer. The model was trained on a real credit card dataset and the customer behavioral scores are analyzed using classical measures such as accuracy, Area Under the Curve, Brier score, Kolmogorov–Smirnov test, and H-measure. Calibration analysis of the LSTM model scores showed that they can be considered as probabilities of missed payments. The LSTM model was compared to four traditional machine learning algorithms: support vector machine, random forest, multi-layer perceptron neural network, and logistic regression. Experimental results show that, compared with traditional methods, the consumer credit scoring method based on the LSTM neural network has significantly improved consumer credit scoring.

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Published

2022-10-01

How to Cite

diwan, sinan, & Mohmad, Y. A. (2022). Credit Card Fraud Detection Using LSTM Algorithm. Wasit Journal of Computer and Mathematics Sciences, 1(3), 39–53. https://doi.org/10.31185/wjcm.60

Issue

Section

Computer
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