Centralized and Federated Heart Disease Classification Models Using UCI Dataset and their Shapley-value Based Interpretability

• URL: http://arxiv.org/abs/2408.06183v2
• Date: Fri, 16 Aug 2024 14:59:52 GMT
• Title: Centralized and Federated Heart Disease Classification Models Using UCI Dataset and their Shapley-value Based Interpretability
• Authors: Mario Padilla Rodriguez, Mohamed Nafea,
• Abstract summary: This study benchmarks machine learning algorithms for heart disease classification using the UCI dataset. Various binary classification algorithms are trained on pooled data, with a support vector machine (SVM) achieving the highest testing accuracy of 83.3%.
• Score: 0.7234862895932991
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Cardiovascular diseases are a leading cause of mortality worldwide, highlighting the need for accurate diagnostic methods. This study benchmarks centralized and federated machine learning algorithms for heart disease classification using the UCI dataset which includes 920 patient records from four hospitals in the USA, Hungary and Switzerland. Our benchmark is supported by Shapley-value interpretability analysis to quantify features' importance for classification. In the centralized setup, various binary classification algorithms are trained on pooled data, with a support vector machine (SVM) achieving the highest testing accuracy of 83.3\%, surpassing the established benchmark of 78.7\% with logistic regression. Additionally, federated learning algorithms with four clients (hospitals) are explored, leveraging the dataset's natural partition to enhance privacy without sacrificing accuracy. Federated SVM, an uncommon approach in the literature, achieves a top testing accuracy of 73.8\%. Our interpretability analysis aligns with existing medical knowledge of heart disease indicators. Overall, this study establishes a benchmark for efficient and interpretable pre-screening tools for heart disease while maintaining patients' privacy. This work is available at https://github.com/padillma1/Heart-Disease-Classification-on-UCI-dataset-and-Shapley-Interpretabilit y-Analysis.

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