Claim Missing Document
Check
Articles

Found 1 Documents
Search
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 ., Fathurrohman Agustin, Nia Aini Nurul Ainisa, Nurul Al Lutfani, Thariq Kemal Al Maeni, Nurul Amelia, Astri Ameliana, Nikan Andre Setiawan, Andre Apriliansyah, Rizal Dwi Rizki Aprilla, Anggita Arifqi, Tri Astuti , Rini Ayu Azzahra, Fadita Ayuni, Putri DAIPAH, IIP IMRON Dalifah, Nurul Dita, Fio Eka Permana, Sandy Erpian, Soni Fachry Abda El Rahman Fathur Rohman, Fathur Fathurrohman Fathurrohman Faturrohman, Faturrohman Faujia, Agnes Firmansyah, Fajar Gifthera Dwilestari Gunawan, Sepriyan Hadi Wicaksana, Arya Haikal, Harisman Hamonangan, Ryan Haryandini, Nur Anindya Putri Hayati, Umi Herdiana, Rulli Herdiana, Rully Hidayah, Nurni Hidayat, Pierre Galuh HIDAYATULLAH, NAUFAL ARIF Hoeriah, Dede Ilham Syahputra, Arief Irfan Ali, Irfan Irma Purnamasari, Ade Jannah, Nursuviyani Jihan, Aminatun Julianti, Okta Nur Kholifa, Nur Kusmawanti, Nisa Laksamana, Patria Gita Lita, Arlita lita Maulana, Aldi Maulida, Nida Muharromah, Oom Nining Rahaningsih Nur Amalia, Ocsana Nur Apriliani, Nur Nur Kirana, Anita Nur Pangestika, Fanny Nurdin Nurhakim, Bani Nurhayah, Nurhayah Nuri Nuri Nurjanah, Nurul Nurliana, Nicky NURUL AZIZAH Nurwanda, Nurwanda Nurzaman Nurzaman Odi Nurdiawan OKTAVIANI, ERNA Oktaviany, Nurul Optarina, Yasni Peni Peni Permana, Sandy Eka PUJI LESTARI Putri Nabilla Putriana, Puput RAHMAWATI, RULI Ramadhan, Niko Retnasari, Peni Rini Astuti RIZKI, ALVA FAUZIR Rohmat, Cep Lukman Rosiana, Rosa Sakarias Berek, Richardus Salsabila, Fauhan saninah, annisa Saniyah, Nilta Sayuti Hanapiah, Neneng Suarna, Nana Yudhistira Arie Wijaya Yuslia Devitri Zaelani, Nursehan