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Journal : Bulletin of Computer Science Research

Klasifikasi Kondisi Janin Berdasarkan Data Kardiotogram Menggunakan Algoritma Naive Bayes Syah Utama, Isruel; Haerani, Elin; Wulandari, Fitri; Ramadhani, Siti
Bulletin of Computer Science Research Vol. 5 No. 4 (2025): June 2025
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bulletincsr.v5i4.584

Abstract

Fetal health during pregnancy is a crucial aspect that can be monitored through cardiotocography (CTG) data; however, manual interpretation of this data often encounters challenges due to class imbalance. This study aims to develop a fetal condition classification model using the Naive Bayes algorithm combined with the Synthetic Minority Over-sampling Technique (SMOTE) to address the disparity in class distribution. The CTG dataset, obtained from Kaggle, consists of 2,126 records categorized into three target classes: Normal, Suspect, and Pathological. Data processing followed the Knowledge Discovery in Databases (KDD) framework, including data selection, cleaning, normalization, splitting into four ratios (70:30, 80:20, 85:15, and 90:10), SMOTE application, and model evaluation using accuracy and F1-Macro metrics. The results showed that the 80:20 ratio yielded the highest accuracy at 79.81%, while the 90:10 ratio produced the highest F1-Macro score of 0.6788. These findings indicate that although accuracy remained relatively stable, the F1-Macro metric provided a better representation of performance across all classes, especially minority ones. The application of SMOTE proved effective in balancing class distribution and enhancing model sensitivity. This study serves as a foundational step in developing a more reliable and adaptive fetal condition classification system and highlights opportunities for further exploration of alternative algorithms and SMOTE parameter optimization.
Klasifikasi Kondisi Janin Menggunakan Algoritma K-Nearest Neighbors dan Teknik SMOTE Berdasarkan Data Kardiotogram Dede Fadillah; Haerani, Elin; Wulandari, Fitri; Syafria, Fadhilah
Bulletin of Computer Science Research Vol. 5 No. 4 (2025): June 2025
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bulletincsr.v5i4.585

Abstract

Fetal health is a crucial aspect in reducing infant mortality rates, where cardiotocography (CTG) is used to monitor fetal condition through recordings of fetal heart rate and uterine contractions. However, manual interpretation of CTG data still faces challenges, particularly due to imbalanced class distribution. This study aims to develop a classification model for fetal conditions using the K-Nearest Neighbors (K-NN) algorithm combined with the Synthetic Minority Over-sampling Technique (SMOTE). The dataset used, sourced from Kaggle, consists of 2,126 CTG examinations categorized into three classes: Normal, Suspect, and Pathological. The data processing follows the Knowledge Discovery in Databases (KDD) process, including data selection, cleaning, normalization, splitting, balancing with SMOTE, and classification using K-NN. The model was evaluated using four training-testing split ratios (70:30, 80:20, 85:15, and 90:10) with accuracy and macro F1-score as metrics. The results indicate that the 85:15 split ratio achieved the highest accuracy of 89.7%, while the 90:10 ratio yielded the highest macro F1-score of 0.83. These findings suggest that the 85:15 ratio offers an optimal balance between model training and evaluation, whereas the highest F1-score at 90:10 reflects greater model sensitivity to minority classes. The combination of K-NN and SMOTE proved effective in addressing data imbalance and supports model stability in the overall classification process of fetal conditions.
Co-Authors AA Sudharmawan, AA Abdurrahman, Salman Ade Suamah Adriyan Pramono Afif, Hasnan Afriyanti, Liza Agus Subairi Agustine, Fatimatuz Zahro Ahmad, Raudah Akhmad Suyono, Akhmad Al Amin, Nur Hidayah Al Imtinan, Nadhif Taqiyuddin Alfa Salsabila, Pradini Alfitri Alfitri Alvina, Sirry Aminullah Aminullah, Aminullah Amri, Sholiqul Amrina, Fina Anam, M. Khairul Anas Ahmadi Andari, Renanda Andriyani, Dian Anggreana, Vella Anindy, Reinasha Cahya Anisa Kusumawardani Apriani, Nia Ariani, Wenda Ventika Arifin, Mohamad Rahmawan Aritama, Fauzaan Dhiemas Ariwibowo, Danang Teguh Ariwibowo, Fajar Arrijal Ismail, Ahmad Arta, Safira Asep Firdaus Assyarofi, Muhammad Rexsa Awan Kostrad Diharto Badrun, Liana Suryaningsih Bambang Budi Utomo Barus, Freddy Budiati, Titik Bungakasih, Yeyen Cahyani, Nanda Meilina Cahyani, Rara Ayu Diah Cahyaningtyas, Anindhita Yudha Candra, Diki Choiriyah, Irma Cyintia Kumalasari D. Dafik Darmawan, Dicky Darmizal, Teddie David Setiadi Dede Fadillah Dinda, Risalatul Dita Andraeny Dwi Rosa Indah Ekawati, Nuraini Elin Haerani Elisabeth, Esra Endah Purwaningsih Eni Sumarliyah, Eni Enih Hartiani Ericasyifa Salsabila Estiningtyas, Estiningtyas Evawani Elysa Lubis Evieta Rohana Fadhilah Syafria Fahrezy, Irgi Farid Haqqon, Muhammad Fatikhasari, Amalia Nurazima Fatinah, Fitriasari Fatma Yuniarti, Fatma Fatmah Rahmawati, Olga Fauzatul Laily Nisa Febriansyah, Dwi Febriyani, Winna Febriyanto, Muhammad Ikhsan Feri Tirtoni Festi Wiliyanarti, Pipit Firda, Arlian Firsty, Melviana Fita Rahmawati FITRI PUSPITASARI Flavilia Aurelia Hidajat Fortuna Sukiran Putri, Evi Galuh Ratnagung, Catur Ghiffari, Habibie Deswilyaz Giyoto Gusmali, Desy Maniarti Gusti Eva Tavita Gustina Indriati Habibah, Siti Nurhasanah Hadianor, Hadianor Handayani, Cut Intan Mega Hanfin, Zayyina Chamaladina Hapsari, Adelia Nur Harani, Raidah Sekar Hariany Idris Haros, Saskia Susanti Harsono, Regina Deti Mulyo Hartono, Dimas Rahmatullah Tri Helfia Edial Hendra K, Joni Hoer, Uus Husni Huda, Muhammad Habib Zainul Husnah, Tiara Nur Husni Hoer, Uus I Komang Damar Jaya Ibrahim Ibrahim Ida Ayu Eka Widiastuti Idrus, Syed Abdullah Al Ikaputra Ikaputra Ikhsan, Tomi Imam Makruf Indah Ariyati Indah Saraswati Irawan, Putri Nur Fadilah Irsyada, Amelia Islah Islah, Islah Izzatul Maula, Nurly Jenab, Siti Joko Wahyu Wibowo Jumintono, Jumintono Kamaruddin, Syamsu A. Kamil, Insan Kartika Widayati Taroeno Hariadi Khaira, Wildanul Khasani, Khiban Khermarinah, Khermarinah Khotimah, Damayanti Nur Khotimah, Damayyanti Nur Khuriyah . Kikin Sakinatul Kirom Kurniati Kurniati Laia, Lestari Lailatul Fitriyah Lailiah, Hidayatul Laksono Trisnantoro Lestari, Yunia Ike Liana Andini, Rahmah Luthfiah, Yussi Dwi M. Ma’ruf M. Nasir Marhamah Marhamah Maryanti, Adelina Maulana, Nurul Iman Maulani, Tedi Maulia, Sinta Maulida, Riski Mayefis, Delladari Mega Lestari Meitasuci, Dzulfiana Meliasari, Meliasari Mellyzar, Mellyzar Merlin, Chalia MG Isworo Rukmi Mimi Handayani Mohammad Wahed Mudofir Muhammad Afif Muhammad Alfreno Rizani Muhammad fauzan MUHAMMAD HASBI Muhammad Irsyad Muhammad Syafriandi, Muhammad Muhammad, Raja Allifin Muhlasin Amrullah Mukarromah, Tsamaroh Azzah Mulia Suryani Munir, Miftakhul Munirwan Zani, Munirwan Mutaqin, Dadang Zenal Muzdalifah, Firda Nabawi, M Reza Nabil Nadi, Viki Nanik Hariyana Nasri Dini, Muhammad Nazruddin Safaat Nazruddin Safaat H Ningsih, Sari Tri Ninik Rustanti Nita Kuswardhani Nofirda, Fitri Ayu Novita Eka Tristiana, Novita Eka Nugroho, Septian A. Nunuk Suryanti NUR EFENDI Nur Hidayah Nuraeni Herlinawati Nurbayah, Siti Nurcahyani, Devi Nurjanah, Sinta Nursilah, Nina Nurwijayanti Oktavia, Lola Oktaviani, Salsabila Pamungkas, Pulung P. Pandya, Lalu Wahyu Ardis Parwati, Fadia Eka Periadnadi Periadnadi Permana, Candra Piliang, Wilda Srihastuty Handayani Prabhata, Wimzy Rizqy Pradana, Febry Annan Pramata, Adhitya Pranoto, Gusti Adi Prasetyarini, Lilik Prisetyatna, Sibyanula Pujiarohman, Pujiarohman Purwantiningsih, Dewi Purwito Soegeng Putri, Anggi Yhurinda Perdana Putri, Firda Nur Putri, Maharani Aulia Rahardja, Sigit Rahmadi, Silvi Rahman, Muklisur Ramadhan, M. Raka Ramadhani, Siti Raudatul Patimah, Raudatul Renny Oktafia, Renny Retno Twistiandayani Rettob, Sirajuddin Rezi Ariawan Rifngatin, Refdahria Rikizaputra Rikizaputra Riris Rotua Sitorus Ririt Iriani Sri Setiawati Riski, M. Rido Rofiqoh, Ayu Rohana, Evieta Romadon, Romadon Rosida Rakhmawati Roziah, Roziah Rukmi, MG. Isworo Ruli Utami, Ruli Rusdianto, Andrew Setiawan S Susanto S. Putra, M. Fathanuur Saediman, Haji Safitri, Eristya Maya Safitri, Ulan Saidah, Farichatus Saifudin, Mohammad Salman Ahmad, Salman Salsabilla, Annisa Salwa Salwa Samantha Koralina Sanjaya, Azhar Syarif Sanjaya, M Rudi Santoso, Rizki Fajar Sapitri, Rahmalia Sari, Cyntia Kumala Sari, Wenny Aulia Saripudin, Uus Sasikirana, Widyandani Sa’diyah, Ilmatus Sefna Rismen Septiansyah, Rizki Set Asmapane Setyaningrum, Fitria Setyawan, Rafli Sholikhah, Siti Siagian, Dewi Sartika Sidoretno, Wahyu Margi Siswoyo Siswoyo Siti Aisah Siti Aliyah SITI AMINAH Siti Latifah Siwi, Kristanjung Raka Sri Agustina, Sri Sri Wahyuni Stefanus Christian Relmasira, Stefanus Christian Sugesti, Renita Sukiran Putri, Evi Fortuna Sulaiman, Raden Muhamad Sulistyowati, Dian Sunarsih, Endang Sri Sunarsih Suparmi Suparmi Suroto Suroto Surya Agustian Suryo Atmojo, Suryo Susanto, Nabila Husniyah Sutarto, Tommy E. Syah Utama, Isruel Syamsiar, Syamsiar Syamsul Bahri Syarifah, Hidayatus Syukur, Abdullah Tabrani, Syifa Thomy Sastra Atmaja Tianka, Inge Elsa Totok Sasongko Trimaysella, Anne Trimurtini, Trimurtini Tristan Rokhmawan Tumingan Tunnajah, Nidauzzakiyya Ulum, M. Zainul USWATUN HASANAH Wahyana, MS Agung Widiawati, Dhiana D. Wijaya Putra, Bayu Wimzy Rizqy Prabhata Wulan A, A. Bidari Chandra Wulandari, Agustiah Yafie, Ahmad Arif Yuda, Ahmad Riski Darma Yuliana, Nuriyah Yuliastri, Baiq Nova Yuniarti, Eva Yusup Rohmadi Zalyanti, Sephia ZE, Deki Syaputra Zulham Zulham