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All Journal International Journal of Electrical and Computer Engineering Jurnal Manajemen Teknologi TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics JSI: Jurnal Sistem Informasi (E-Journal) Bulletin of Electrical Engineering and Informatics JAM : Jurnal Aplikasi Manajemen Jurnal Teknologi Informasi dan Ilmu Komputer Jurnas Nasional Teknologi dan Sistem Informasi The Asian Journal of Technology Management (AJTM) Bulletin of Electrical Engineering and Informatics Proceeding of the Electrical Engineering Computer Science and Informatics PROCESSOR Jurnal Ilmiah Sistem Informasi, Teknologi Informasi dan Sistem Komputer Jurnal Ilmiah Media Sisfo JSAI (Journal Scientific and Applied Informatics) Indonesian Journal of Electrical Engineering and Computer Science Jurnal Teknik Informatika (JUTIF) Makara Human Behavior Studies in Asia Jurnal Komunikasi, Sains dan Teknologi (JKST) Jurnal Informatika dan Rekayasa Komputer Jurnal Manajemen Teknologi dan Sistem Informasi Jurnal Penelitian Sistem Informasi Jurnal Manajemen Sistem Informasi Nomico Jurnal Pengabdian Masyarakat Unama Prosiding Seminar Nasional Ilmu Teknik
Setiawan Assegaf
Universitas Dinamika Bangsa
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Languange, Linguistic, Communication & Media Library & Information Science Social Sciences Other

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Enhancement Of The C4.5 Decision Tree Algorithm With Anova For Predicting Academic Achievement Of Students At Smpn.16 Kota Jambi Osviarni, Rice; Assegaff, Setiawan; Jasmir, Jasmir; Nurhadi, Nurhadi
Jurnal Teknik Informatika (Jutif) Vol. 7 No. 2 (2026): JUTIF Volume 7, Number 2, April 2026
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jutif.2026.7.2.5431

Abstract

This study aims to improve the accuracy of predicting student academic achievement by integrating the Analysis of Variance (ANOVA) method with the C4.5 Decision Tree algorithm. In the context of information systems, this research holds significant importance for the development of more reliable Decision Support Systems (DSS) or early warning systems in school environments. The research was conducted at SMPN 16 Jambi City using secondary data from three academic years (2022/2023-2024/2025) covering academic variables, attendance, and parental income. The main issue addressed was the limitations of the C4.5 algorithm in handling irrelevant features and unbalanced data, which, at the system implementation level, can lead to inaccurate recommendations or alerts.This research method employed a data mining approach with stages including data cleaning, numeric conversion, missing value imputation, formation of derived variables, and categorization of the target variable "Achievement." The initial C4.5 model produced 72.81% accuracy on the training data and 69.71% accuracy on cross-validation. After feature selection using ANOVA, one insignificant variable was removed, resulting in a hybrid C4.5+ANOVA model with nine key features. Test results showed an increase in accuracy to 80.44% on the training data and 73.66% on the cross-validation data, representing an improvement of 7.63 and 3.95 percentage points, respectively.This improvement in model performance directly translates to an enhancement in the quality of the information system's output, yielding more reliable reports and predictions for teachers and school management.
Co-Authors Abdul Haris Afiz Sodik, Nafuri Afrizal Nehemia Toscany agus Nugroho Ahad, Syahdi Zul Aileen, Aileen Akwan Sunoto Alfayyadh, Muhammad Bilal Alfurqon, Dian Andika Pratama Andrianti, Ari anggi saputra Aryani, Lies Baiti, Baiti Rahmah Beni Purnama Chindra Saputra Cipta Hadi, Denny Setya DAFIT AFIANTO Deddy Ackbar Rianto Desy Kisbiyanti Djauhari, Teuku Dodi Sandra Dodo Zaenal Abidin Dwi Putri, Salsabila An-nisa Effiyaldi Efrima, Randa Bias Elisa, Vioren Eltha, Rico Janpria Erick Fernando Erick Fernando Fachruddin Fachruddin Fachruddin Fadillah Effendi, Husnil Fardinal Maidoni Fournia Nova Hakim, Ibnu Hakim, Muhammad Furqan Hamzah, Kamandanu Harjun Saputra Haryati Haryati Hendrawan Hendrawan Hendri Hendri Hendri Hendri Herry Mulyono Herti Yani Ibnu Sani Wijaya Ilhami, Mohamad Indrawata Wardhana Indria, Lily Irwan Kurniawan Iskandar Iskandar Jasmir Jasmir Jasmir, Jasmir Joni Devitra Joni Devitra, Joni Joni Joni Juadli, Minal Junaidi Junaidi Jupri Jupri Kevin Kurniawansyah Khairul Fuadi Kiki Windia Arifta Kurniabudi Kurniabudi, Kurniabudi Lies Aryani Lola Yorita Astri Lubis, Nia Paramitha Mahruzar, Mahruzar Manja Purnasari Martono Martono Martono Martono Martono Martono Martono Mashuri Mashuri Mawaddatarrohmah Mubarak, Ahmad Zaky Muchlis, Rafi Akbar Muhamad Ihsan Suzeta Muhammad Firman Kahfi Muhammad Rizki Saputra Musi Andi, Aprisal Nabilah Ramadhan, Nabilah Naralia, Mirah Nurhadi NURHADI Nurhadi Nurhadi Nurhayati Nurhayati Osviarni, Rice Padila, Siti Pahlevi. B, M. Riza Parlindungan H, Edwardo Pebriana, Retno Pradana, Lazuardi Yudha Prasetio, Luky Prastiwi, Hani Pratama, Anggi Andika Purnama, Benni Purnamasari, Ade Putri Sabila , Wilda Rasyad, Haza Ibnu Renaldi Yulvianda Rizky Rachmadiyanto ROBY SETIAWAN Rohaini, Eni Rokhmah, Zakiyatur Rolly Maulana Awangga, Rolly Maulana S, Elly Gustiyani Safitri, Feny Sambodo, Prakoso Setyo Santoso Santoso Saputra, Harjun Saquro, Abdan Sasgita, Nabila Sharipuddin, Sharipuddin Sika, Xaverius Sika Soyata, Agung Raga Suprapto, Cahyo Adi Susanti , Eka Sutoyo, Mochammad Arief Hermawan Syafrial Fachri Pane Syaifudin, Asep Syaputra, Abe Wisnu Tamala, David Tandy, Juliana Tanjung, Sawaluddin F Titania Arida Nandini Treseli, Nerviana Trivenna, Priskha Widjaja, Calvinia Flora William William Xaverius Sika Sika Yaticha, Ni Luh Ayu Yoga Pranata Yosefina Venus Yuni Utami, Tri Dewi Zulgani Zulgani