Transforming Credit Risk Analysis: A Time-Series-Driven ResE-BiLSTM Framework for Post-Loan Default Detection

• URL: http://arxiv.org/abs/2508.00415v1
• Date: Fri, 01 Aug 2025 08:13:14 GMT
• Title: Transforming Credit Risk Analysis: A Time-Series-Driven ResE-BiLSTM Framework for Post-Loan Default Detection
• Authors: Yue Yang, Yuxiang Lin, Ying Zhang, Zihan Su, Chang Chuan Goh, Tangtangfang Fang, Anthony Graham Bellotti, Boon Giin Lee,
• Abstract summary: Prediction of post-loan default is an important task in credit risk management.<n>This study introduces a ResE-BiLSTM model, using a sliding window technique.<n>It is evaluated on 44 independent cohorts from the extensive Freddie Mac US mortgage dataset.
• Score: 12.68085308605668
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Prediction of post-loan default is an important task in credit risk management, and can be addressed by detection of financial anomalies using machine learning. This study introduces a ResE-BiLSTM model, using a sliding window technique, and is evaluated on 44 independent cohorts from the extensive Freddie Mac US mortgage dataset, to improve prediction performance. The ResE-BiLSTM is compared with five baseline models: Long Short-Term Memory (LSTM), BiLSTM, Gated Recurrent Units (GRU), Convolutional Neural Networks (CNN), and Recurrent Neural Networks (RNN), across multiple metrics, including Accuracy, Precision, Recall, F1, and AUC. An ablation study was conducted to evaluate the contribution of individual components in the ResE-BiLSTM architecture. Additionally, SHAP analysis was employed to interpret the underlying features the model relied upon for its predictions. Experimental results demonstrate that ResE-BiLSTM achieves superior predictive performance compared to baseline models, underscoring its practical value and applicability in real-world scenarios.

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