Implementasi Random Forest untuk Prediksi Risiko Diabetes Berbasis Gejala Klinis Menggunakan Analisis Feature Importance

Authors

  • Frisqy Maulana Universitas Nusantara PGRI Kediri Indonesia
  • Risa Helilintar Universitas Nusantara PGRI Kediri Indonesia
  • Rony Hery Irawan Universitas Nusantara PGRI Kediri Indonesia

DOI:

https://doi.org/10.29407/cda8rq08

Abstract

Diabetes melitus merupakan penyakit kronis yang memerlukan deteksi dini untuk mengurangi risiko komplikasi. Penelitian ini bertujuan mengimplementasikan algoritma random forest untuk prediksi risiko diabetes berbasis gejala klinis serta menganalisis faktor-faktor yang berpengaruh terhadap hasil prediksi menggunakan metode Feature Importance. Dataset yang digunakan adalah Early Stage Diabetes Risk Prediction Dataset yang terdiri dari 520 data. Tahapan penelitian meliputi preprocessing data, pembagian data dengan rasio 80:20, pelatihan model , evaluasi model, dan analisis Feature Importance. Hasil penelitian menunjukkan bahwa model memperoleh akurasi 99,04%, precision 0,99, recall 0,99, F1-score 0,99, dan ROC-AUC 1,0000. Analisis Feature Importance menunjukkan bahwa Polyuria, Polydipsia, Gender, dan Age merupakan faktor yang paling berpengaruh terhadap prediksi risiko diabetes. Hasil penelitian menunjukkan bahwa random forest mampu memberikan performa prediksi yang sangat baik sekaligus mengidentifikasi faktor risiko dominan diabetes.

Keywords:

diabetes, feature importance, machine learning, random forest, prediksi risiko

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References

[1] H. M. Deberneh and I. Kim, "Prediction of type 2 diabetes based on machine learning algorithm," Int. J. Environ. Res. Public Health, vol. 18, no. 6, pp. 9-11, 2021, doi: 10.3390/ijerph18063317.

[2] R. A. Ramadhani and R. K. Niswatin, "Sistem Diagnosa Diabetes Menggunakan Metode K-NN," Jurnal Sains dan Informatika, vol. 4, no. 2, pp. 98-104, 2018, doi: 10.34128/jsi.v4i2.121.

[3] U. e. Laila, K. Mahboob, A. W. Khan, F. Khan, and W. Taekeun, "An Ensemble Approach to Predict Early-Stage Diabetes Risk Using Machine Learning: An Empirical Study," Sensors, vol. 22, no. 14, pp. 1-15, 2022, doi: 10.3390/s22145247.

[4] C. N. Noviyanti and A. Alamsyah, "Early Detection of Diabetes Using Random Forest Algorithm," Journal of Information System Exploration and Research, vol. 2, no. 1, pp. 41-48, 2024, doi: 10.52465/joiser.v2i1.245.

[5] N. L. Anggreini, A. Yuliana, D. S. Ramdan, and W. Al-Dayyeni, "Improving Diabetes Prediction Performance Using Random Forest Classifier with Hyperparameter Tuning," Jurnal Teknik Informatika (Jutif), vol. 6, no. 4, pp. 1847-1860, 2025, doi: 10.52436/1.jutif.2025.6.4.4755.

[6] F. Rahman, S. Hossain, J. J. Tiang, and A. Al Nahid, "Diabetes Prediction Using Feature Selection Algorithms and Boosting-Based Machine Learning Classifiers," Diagnostics, vol. 15, no. 20, pp. 1-24, 2025, doi: 10.3390/diagnostics15202622.

[7] J. Kaliappan et al., "Analyzing classification and feature selection strategies for diabetes prediction across diverse diabetes datasets," Front. Artif. Intell., vol. 7, 2024, doi: 10.3389/frai.2024.1421751.

[8] M. Rizky, R. Kurniawan, and D. Lestari, "Deteksi Dini Diabetes Mellitus Menggunakan Algoritma Random Forest pada Data Klinis," Journal of Computer Science and Information Technology, vol. 2, no. 1, pp. 1-8, 2026, doi: 10.70716/jocsit.v2i1.410.

[9] S. Majyambere, T. Lindgren, C. Twizere, and I. Ntakirutimana, "Early Type 2 diabetes risk prediction using explainable machine learning in a two-stage approach.," Front. Digit. Health, vol. 8, no. March, p. 1743619, 2026, doi: 10.3389/fdgth.2026.1743619.

[10] D. N. Jawza, M. I. Mazdadi, A. Farmadi, T. H. Saragih, D. Kartini, and V. Abdullayev, "Enhancing Diabetes Prediction Accuracy Using Random Forest and XGBoost with PSO and GA-Based Feature Selection," Journal of Electronics, Electromedical Engineering, and Medical Informatics, vol. 7, no. 2, pp. 295-306, 2025, doi: 10.35882/jeeemi.v7i2.626.

[11] R. Hasan, V. Dattana, S. Mahmood, and S. Hussain, "Towards Transparent Diabetes Prediction: Combining AutoML and Explainable Al for Improved Clinical Insights," Information (Switzerland), vol. 16, no. 1, 2025, doi: 10.3390/info16010007.

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Published

2026-07-20

How to Cite

Implementasi Random Forest untuk Prediksi Risiko Diabetes Berbasis Gejala Klinis Menggunakan Analisis Feature Importance. (2026). Prosiding SEMNAS INOTEK (Seminar Nasional Inovasi Teknologi), 10(1), 770-779. https://doi.org/10.29407/cda8rq08