Explainable Machine Learning in Healthcare: Methods, Interpretation, and Applications for Clinical Research

• URL: http://arxiv.org/abs/2608.07522v1
• Date: Mon, 13 Jul 2026 02:14:17 GMT
• Title: Explainable Machine Learning in Healthcare: Methods, Interpretation, and Applications for Clinical Research
• Abstract summary: We present a structured review of commonly used Explainable machine learning (XML) methodologies.<n>For each method, we explain the underlying mechanism at a high level, visualize representative outputs, and provide structured guidance on interpretation.<n>This primer helps bridge the gap between advanced ML methodology and clinical applicability.
• Score: 0.7835581610025238
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We present a structured review of commonly used Explainable machine learning (XML) methodologies, including global and local interpretability tools such as SHapley Additive exPlanations (SHAP), Local Interpretable Model-Agnostic Explanations (LIME), Partial Dependence Plots (PDP), and Individual Conditional Expectation (ICE) plots. For each method, we explain the underlying mechanism at a high level, visualize representative outputs, and provide structured guidance on interpretation, appropriate use, and limitations, illustrated using the publicly available Heart Disease dataset. XML techniques provided intuitive visual and quantitative insights into how predictors influence model predictions. Global methods characterized population-level feature effects, whereas local methods revealed patient-level contributions useful for individualized interpretation. Our worked examples demonstrate how XML outputs can identify nonlinear relationships, detect interaction effects, and reveal heterogeneity in predicted risk across patients, addressing key challenges in translating ML predictions into interpretable outputs for clinical research. XML tools offer valuable interpretability for ML models and support more transparent and accountable ML applications in clinical research. By providing a methodologically grounded overview alongside practical implementation examples and structured guidance on each method's strengths and limitations, this primer helps bridge the gap between advanced ML methodology and clinical applicability. Thoughtful adoption of XML approaches may facilitate better understanding, communication, and critical evaluation of ML predictions in healthcare research, ultimately supporting evidence-based clinical decision-making.

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