Improved Decision Support System for Personal Loan Eligibility Using Artificial Neural Networks

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© 2024 by IJCTT Journal
Volume-72 Issue-7
Year of Publication : 2024
Authors : Kevin Macwan
DOI :  10.14445/22312803/IJCTT-V72I7P119

How to Cite?

Kevin Macwan, "Improved Decision Support System for Personal Loan Eligibility Using Artificial Neural Networks," International Journal of Computer Trends and Technology, vol. 72, no. 7, pp.138-155, 2024. Crossref, https://doi.org/10.14445/22312803/IJCTT-V72I7P119

Abstract
This paper comprehensively evaluates various machine learning models applied to four distinct datasets, emphasizing their performance in binary classification tasks. We employed multiple algorithms, including Logistic Regression, Random Forest, XGBoost, SVM, KNN, Decision Tree, LSTM, CNN, DNN, and Radial Basis Function Network (RBFN), to compare their effectiveness using metrics such as AUC-ROC, precision, recall, and overall accuracy. Home Loan Dataset results highlighted the variations in model performance, with the highest AUC value being 84% and the overall accuracy ranging from 73% to 100%. XGBoost and Decision Tree models achieved 100% accuracy, underscoring their robustness in this context. Lending Club Loan Data demonstrated stark differences in model efficacy, with AUC values varying from 50% to 100%. Here, Random Forest, XGBoost, and Decision Tree models consistently achieved perfect classification accuracy, indicating their superior handling of this dataset. Loan Default Prediction Dataset involved a more challenging classification task, reflected in lower AUC values, with the highest being 77%. The overall accuracy was around 92%, with Logistic Regression and Random Forest models showing relatively balanced performance. Bank Loan Default Dataset explored the impact of logistic regression, Random Forest, XGBoost, Decision Tree, KNN, LSTM, CNN, DNN, and RBFN models, achieving varying degrees of success. Random Forest and XGBoost again proved to be the top performers, achieving perfect accuracy, while other models like CNN and LSTM displayed limitations in specificity and recall. This study underscores the importance of selecting appropriate machine learning models based on dataset characteristics and desired performance metrics. The comparative analysis herein aims to guide practitioners in choosing the most effective algorithms for their classification challenges, ultimately enhancing data observability and decision-making processes with AI and LLMs.

Keywords
Machine Learning, Classification, Ensemble methods, Model performance, Data observability.

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