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Journal : Journal of Software Engineering and Information System (SEIS)

OPTIMASI MODEL XGBOOST UNTUK PREDIKSI PENYAKIT JANTUNG MENGGUNAKAN OPTUNA Optarina, Yasni; Suarna, Nana; Bahtiar, Agus; Rahaningsih, Nining; Prihartono, Willy
Jurnal Rekayasa Perangkat Lunak dan Sistem Informasi Vol. 6 No. 1 (2026)
Publisher : Department of Information System Muhammadiyah University of Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/seis.v6i1.10527

Abstract

Heart disease is one of the leading causes of mortality worldwide, emphasizing the need for accurate early detection systems. Machine learning models such as XGBoost have demonstrated strong performance in medical classification tasks; however, their effectiveness is highly dependent on optimal hyperparameter configurations. This study aims to improve the performance of XGBoost for heart disease classification by applying hyperparameter optimization using the Optuna framework with the Tree-structured Parzen Estimator (TPE) algorithm. The UCI Heart Disease dataset, consisting of 918 records, is used in this study. To address class imbalance, the Synthetic Minority Oversampling Technique (SMOTE) is applied to the training data. Model performance is evaluated using accuracy, precision, recall, F1-score, and ROC-AUC metrics. The experimental results show that the optimized XGBoost model achieves an accuracy of 89.13%, outperforming the baseline model with 87.50%, and improves recall from 87.50% to 89.10%. In addition, the optimized model attains a higher ROC-AUC value of 0.9319, indicating improved classification stability. These findings demonstrate that Optuna-based hyperparameter optimization effectively enhances the performance and reliability of XGBoost, making it suitable for supporting early heart disease diagnosis in medical decision support systems.
Co-Authors ., Mulyawan ., Nurhadiansyah Abdillah Fudholi, Luthfi Abdul Ajiz Abdul Rasyid Achmad Hidayat Ade Irma Purnamasari Ade Kurnia, Dian Ade Rizki Rinaldi Ahmad Faqih Akbar, Miftahul Al-Maulid, Hisyam Alvianatinova, Via Andriyanti, Rina Anggita Pratiwi, Eksadevi Angraeni, Devita Fitri Arif Rinaldi Dikananda Arif Sofyan, Mohamad Awaliyah, Lia Ayi Andini Az Zahroh, Luthfia Fahmi Azarine, Divia Azhari, Shazifa Azizah, Maulidina Bakri, Saeful Basysyar, Fadhil Muhammad Basysyar, Fadil M Bustomi, Ziaudin Cakranegara, Pandu Adi Cep Lukman Rohmat Dadang Sudrajat Danar Dana, Raditya Danar, Raditiya Danil, Supta Danya Rizki Chaerunisa Delisah Destiawati, Deby Dewanty Rafu, Maria Dienwati Nuris, Nisa Dikananda, Arif Rinaldi Dikananda, Fatihanursari Dimin, Egi Susanto Dwi Efranie, Priska Edi Wahyudin Elisa Sriyulia Fadhil M. Basysyar Fadhil Muhammad Basysyar Fadhil, Fadhil Yudistianto Fadilah, Mochammad Fauzan Fajar, Miftahul Faturachman, Rifcki Aziz Faujatun Hasanah Fidya Arie Pratama Frihandiansah, Riyandi Gifthera Dwilestari Gita Budiarti, Mariani Gusmiarni, Mia Gusnanto, Ferdi Gustipartsani, Kamaludin Hadi, Melawati Haidar Fakhri Hari Sutrisno Haryanto, Cep Hayati, Umi Herman Iin Ilham Kurniawan Ilham, Mokhamad Illahi, Asep Wahyu Imam Arifin imam maulana, imam Irfan Ali Irfan Ali, Irfan Jafar Jafar Jayawarsa, A.A. Ketut Kamelia Faridah Kaslani Khalda Rifdan, Ghina Kharomiyah, Kharomiyah Kholil, Kholil AldiYatna Kurmasih, Masih Laduni, Pasya Lili Purani Lisyana, Zita Lukman Rohmat, Cep M. Basysyar, Fadhil Mamluatul Hikmah, Lulu Martanto . Marthanu, Indra Wiguna Marwah, Sopa Medina Aprilia Putri Mira Miranda Moch Rifki Firdaus Muhamad Basysyar, Fadhil Muhammad Abdurohman Muhammad Basysyar, Fadhil Muhammad Taufik Hidayat, Muhammad Mulyana, Krisna Mulyawan Mulyawan Mulyawan, - Mulyawan, Mulyawan Muzaki, Fazri Nafilah, Mala Nana Mulyanasari Nana Suarna Narasati, Riri Narasati Nugroho, Ridho Nur Afrilia, Mela Nurhadiansyah Nurhadiansyah Nurhakim, Bani Nurrochmah, Dina Siti Nursaniah, Rini Octavia Ningrum, Eka Puspita Odi Nurdiawan Optarina, Yasni Pamungkas, Vicky Pii, Iwan Prasetia, Deni Pratama, Deni Pratama, Fidya Arie Pratama, Handreyan Rizki Prihartono, Willy Purnamasari, Ade Irma Purnamasari, Ade Purnamasari Putra, Purniadi Putri Nabilla Qodri M.A, M. Alifia Raditya Danar Dana Rahmasari, Fanny Rahmi Safitri, Rahmi Ranu Husna Rifki Maulana, Muhamad Rini Astuti Riyandona, Siti Aiwastopa Rizki Fauzi, Ahmad Rizki Ramadhan Rizki Rinaldi, Ade Rizky Wulandhari, Putri Roghib, Moh. Rohmat, Cep Lukman Rudi Kurniawan Rully Pramudita Ryanto, Bayu Saeful Anwar Saroji, Saroji Sekar Puspita Arum Siti Sa'diah Sofialaela, Annisa Sok Piseth Soni, Moh Sri Muflikah Kurniarti Sri Suwartini Suarna, Annisa Annastia Suarna, Nana Sutra Safira, Meita Syafi’i Bachtiar, Mochammad Syarif Maulana Yaasin Tati Suprapti Tengku Riza Zarzani N Tohidi, Edi Tohodi, Edi Tri Mukti, Aryanto Tuti Hartati Usup Supendi Vina, Vina Widiya, Putri Windy Mardiyyah, Nita Wulandari, Maryam Yahya, Jakaria Yayah Sarwiyah Yudhistira Arie Wijaya Yulia Mustafa, Iva Yuslia Devitri Zhahiran Herlambang, Prilanisa Zidan Soleh, Kautsar