Implementation of Random Forest Optimized with Ant Colony Optimization (ACO) for Breast Cancer Prediction
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Ade Ismiaty Ramadhona Ht. Barat
*
STIKOM Tunas Bangsa, Pematangsiantar,
Indonesia
- Sandy Putra Siregar STIKOM Tunas Bangsa, Pematangsiantar, Indonesia
- Poningsih Poningsih STIKOM Tunas Bangsa, Pematangsiantar, Indonesia
- Agus Perdana Windarto STIKOM Tunas Bangsa, Pematangsiantar, Indonesia
- Solikhun Solikhun STIKOM Tunas Bangsa, Pematangsiantar, Indonesia
- Rahmat Widia Sembiring Politeknik Negeri Medan, Medan, Indonesia (*) Corresponding Author
Abstract
Breast cancer is a significant disease impacting women globally, highlighting the necessity for precise and dependable diagnostic models. This study aims to improve breast cancer prediction by optimizing the Random Forest algorithm using Ant Colony Optimization (ACO). This study uses datasets containing various cell characteristics to build and evaluate models. The ACO algorithm is applied to fine-tune the hyperparameters of the Random Forest model and improve its predictive performance. The experimental results showed that the optimized Random Forest model outperformed the baseline model in all evaluation metrics. The optimized model achieved an accuracy of 94.74%, precision of 97.92%, recall 90.38%, an F1 score of 92.93%, and an AUC score of 0, 9449 compared to the basic Random Forest model, with lower scores across all metrics. This improvement highlights the effectiveness of ACOs in improving model performance, especially in reducing false negatives, which are critical for medical diagnosis. This study demonstrates that ACO successfully fine-tunes Random Forest hyperparameters, achieving superior accuracy compared to baseline and outperforming previous optimization methods such as PSO. These findings confirm that the combination of Random Forest and ACO offers a powerful and effective approach to improving the accuracy of breast cancer predictions, making them a valuable tool for clinical decision-making.
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Copyright (c) 2025 Ade Ismiaty Ramadhona Ht. Barat, Sandy Putra Siregar, Poningsih Poningsih, Agus Perdana Windarto, Solikhun Solikhun, Rahmat Widia Sembiring
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