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All Journal Seminar Nasional Aplikasi Teknologi Informasi (SNATI) Jurnal Informatika Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Prosiding SNATIF Infotech Journal Jurnal Pendidikan Informatika dan Sains Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) IKRA-ITH Informatika : Jurnal Komputer dan Informatika JURIKOM (Jurnal Riset Komputer) JUMANJI (Jurnal Masyarakat Informatika Unjani) Jurnal Informasi dan Komputer SEINASI-KESI Jurnal Cendikia Jurnal ICT : Information Communication & Technology Building of Informatics, Technology and Science Jurnal Muara Sains, Teknologi, Kedokteran dan Ilmu Kesehatan JUTIS : Jurnal Teknik Informatika SENSITEK Jurnal Informatika dan Rekayasa Elektronik JATI (Jurnal Mahasiswa Teknik Informatika) Abdi Masyarakat Tematik : Jurnal Teknologi Informasi Komunikasi Innovation in Research of Informatics (INNOVATICS) Journal of Applied Computer Science and Technology (JACOST) Jurnal Ilmiah Wahana Pendidikan Journal La Multiapp International Journal Software Engineering and Computer Science (IJSECS) Istech Journal (International Science And Technology Journal) Batara Wisnu : Indonesian Journal of Community Services Jurnal Nasional Teknik Elektro dan Teknologi Informasi Jurnal Locus Penelitian dan Pengabdian Jurnal Informatika Teknologi dan Sains (Jinteks) Prosiding Seminar Nasional Sisfotek (Sistem Informasi dan Teknologi Informasi) Jurnal Algoritma Smart Society: Community Service and Empowerment Journal Electrician : Jurnal Rekayasa dan Teknologi Elektro IJESPG (International Journal of Engineering, Economic, Social Politic and Government) journal Enrichment: Journal of Multidisciplinary Research and Development Jurnal Ilmu Komputer, Sistem Informasi, Teknik Informatika (JILKOMSITI) Prosiding SEMNAS INOTEK (Seminar Nasional Inovasi Teknologi) Jurnal Alih Teknologi Komputer (ALTEK) Journal Of Informatics And Busisnes International Journal of Electrical, Computer, and Biomedical Engineering (IJECBE) JuTISI (Jurnal Teknik Informatika dan Sistem Informasi) Jurnal Komputasi
Komarudin, Agus
Universitas Jenderal Achmad Yani
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Journal : Building of Informatics, Technology and Science

 1 
Prediksi Kinerja Akademik Siswa Bimbingan Belajar Menggunakan Algoritma Extreme Gradient Boosting (XGBoost) Alfarizi, Muhammad Bayu Ardi; Witanti, Wina; Komarudin, Agus
Building of Informatics, Technology and Science (BITS) Vol 7 No 1 (2025): June (2025)
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bits.v7i1.7387

Abstract

Improving the quality of education has become a primary focus in addressing the increasingly complex challenges of the educational landscape. One promising approach to support data-driven decision-making is the prediction of students' academic performance using machine learning algorithms. This study aims to develop a classification model for predicting students' academic performance by leveraging the Extreme Gradient Boosting (XGBoost) algorithm. The dataset used was obtained from SMPN 1 Gunung Halu and includes both academic and non-academic attributes of students. Five key features were selected: initial grades, midterm grades, final grades, student behavior, and attendance. Data preprocessing involved feature selection, handling missing values, transforming categorical variables using label encoding, and balancing the classes using the SMOTE method. The XGBoost model was then trained using an 80:20 data split and hyperparameter tuning was performed using Grid Search. Evaluation results showed that the model achieved an accuracy of 84% with balanced F1-scores across all classes. The model outperformed other algorithms such as Bagging and Random Forest. With its strong accuracy and stability, the XGBoost model has the potential to serve as a tool for identifying students who require academic intervention. This study makes a significant contribution to the development of AI-based education systems and provides a foundation for the application of machine learning in improving the quality of secondary-level learning.
Prediksi Penyakit Kanker Payudara Menggunakan Algoritma Synthetic Minority Oversampling Technique dan Categorical Boosting Classifier Mandala, Muhamad Bintang; Witanti, Wina; Komarudin, Agus
Building of Informatics, Technology and Science (BITS) Vol 7 No 1 (2025): June (2025)
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bits.v7i1.7403

Abstract

Breast cancer remains one of the leading causes of mortality worldwide, with high prevalence rates among women in Indonesia. Accurate and efficient diagnostic models are essential to support early detection and reduce mortality. This study aims to develop a predictive model for breast cancer classification using the CatBoost algorithm, a gradient boosting method known for its ability to natively handle categorical features and reduce overfitting through ordered boosting. The dataset used consists of diagnostic features of breast tumors, which were preprocessed by checking completeness and transforming numerical attributes into categorical bins to capture value distribution more effectively. To address class imbalance between benign and malignant cases, the SMOTE (Synthetic Minority Over-sampling Technique) method was applied, resulting in a balanced training set. Optimal hyperparameters for the CatBoost model were obtained using Bayesian optimization, with key parameters including depth, learning rate, and L2 regularization. The model was then trained and evaluated using recall, accuracy, and F1-score metrics, with a confusion matrix used to assess prediction quality. The results demonstrate that CatBoost achieved high performance with a recall of 1,0, accuracy of 98,6%, and F1-score of 0,99, outperforming or matching other benchmark models such as SVM, Neural Network, and XGBoost. These findings highlight the reliability and effectiveness of CatBoost in supporting medical decision-making for breast cancer diagnosis.
Co-Authors Ade Kania Ningsih, Ade Kania Ade Kanianingsih Aditya Prakasa Aek Mustofa Aghnie Kurnia Aini Nurul Akhmadi Surawijaya Al Farisi, Muhammad Farid Alda Amorita Azza Alfarizi, Muhammad Bayu Ardi Asep Id, Hadiana Atika Hendryani Azhari, Anissa Azzahra, Bunga Juliana Bambang Suparapto Damayanti, Ariesta Daswara Djajasasmita Dea Destiani Deka P Gustiawan Denny Hidayat Tri Nugroho Devian, Devian Dewi Purnamasari Diansyah Andri Ramdhany Dimitri Mahayana Djamal, Esmeralda Contesa Eddie Khrisna Putra Edvin Ramadhan Erlangi, Fauzan Erlangi, Fauzan Erry Fuadillah Esmeralda C Djamal Esmeralda C Djamal Esmeralda C Djamal Esmeralda C. Djamal Esmeralda C. Djamal Esmeralda C. Djamal Esmeralda C. Djamal Fadilah, Vira Hasna Fahmi Yusron Fiddin Faiza Renaldi Faiza Renaldi, Faiza Fajri Rakhmat Umbara Farhan Fadilah Farid Purwanto Ferdi Zulkarnain Ferry Kurniawan Fitra Arifiansyah Galih Rakasiwi Gunawan Abdillah Gunawan Abdillah Gunawan Abdillah Gunawan Abdillah, Gunawan Hadiana, Asep Id Hadimas Aprilian, Doni Hafiz, Aliy Handayani, Indah Nursyamsi Hanif Abdul Aziz, Nabil Hardianto, Mohamad Aris Hartono, Rudi Ifo Wahyu Pratama Ike - Festiana Iman Muhdi Inggit Sumirah Irvan Herdiansyah Iskandar Iskandar Julianto, Ribut Kania Ningsih, Ade Kartika N Oktaviani Kasyidi, Fatan Kresna Septyana Ekaputra Krishna Putra, Eddie Kuncoro Buwono Kurniawan Ikhsan Kurniawan, Alexander Tommy Kurniawan, Fadhlika Kusuma Wardany M.Naufal Rafirhan Mandala, Muhamad Bintang Maulina, Ninda Melina Melina Mia Narulita Anggraeni Mohamad Aris Hardianto Muhammad Aditya Putra Muhammad Dwi Laksono Muhammad Iqbal Zulfikar Mulyasari, Cicik Rafka Muthoharoh, Luluk Nasy`an Taufiq Al Ghifari Nendra Cahya Permana Neni Nuraeni Nenza Nurfirmansyah Nisa, Khoirotun Novianti, Sri Hutamy Nuari Anisa Sivi Nugraha, Faisal Okta Nugraha, Faisal Okta Nugraha, Mochammad Ganjar Nur Muhammad Hasyim Nurhakim, Riri Qorib Nurputra, Windi Raihan Nurul Sabrina, Puspita Oki Iskandar Oryza Habibie Rahman P., Tacbir Hendro Pamungkas, Muhammad Putra Poppi Lodaya Pradana, Muhammad Rifqi Pramudjianto, Imam Wibowo Prima Nugraha Ramdani, Rahmat Muhamad Rasyid Ibnu Prasetyo Rezki Yuniarti Rezky Yuniarti Ridwan Ilyas Rifky Ekayama Rikarda, Willy Artanika Rikarda1, Willy Artanika Rizki Abdilah Rizkyawan, Ferdi Rozak Arief Pratama Sari, Reni Permata Sari, Wiwin Rita Sartika Dewi Selia Aysiah Septia Wahyuni Setyawati, Astri Sivi, Nuari Anisa Sopwatun Anisa Sri Hutamy Novianti Susana, Ernia Tacbir Hendro Pudjiantoro Vita Nurdinawati Wahidah, Nina Ikhwati Wahyu Eko Zulianto Wardani, Mathilda Fitri Wina Witanti Wina Witanti Wini Afrilia Wirajaya Putra, Basudewa Yajid Ichsan Syifa Yanuar, Muhammad Rizki Yulison H. Crisnanto Yulison Herry Chrisnanto