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Prediksi Survivabilitas Pasien Kanker Payudara dengan Penanganan Imbalance Data Menggunakan Algoritma Machine Learning Fikri, Ruki Rizal Nul; Prasetyo, Indra; Soleh, Ary Sofyan; Pratama, Reza Lintang Hana; Kurniawan, Hendra
Journal of Data Science Methods and Applications Vol. 2 No. 1 (2026)
Publisher : Program Studi Sains Data - Institut Informatika dan Bisnis Darmajaya

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Abstract

Breast cancer is one of the leading causes of death among women worldwide. A major challenge in modeling patient survivability prediction is imbalanced data, where the number of surviving patients significantly outweighs the deceased ones. This study aims to compare the performance of three machine learning algorithms: Logistic Regression, Support Vector Classifier (SVC), and Gradient Boosting Classifier, in predicting patient survivability status. To address the class imbalance issue, Random Over Sampling (ROS) technique was applied during the data preprocessing stage. The methodology includes categorical data encoding, resampling, and model evaluation using accuracy, precision, recall, and F1-score metrics. Experimental results show that the application of ROS successfully balanced the class distribution. Among the three models tested, the Gradient Boosting algorithm demonstrated the best performance compared to linear and vector-based models. This study provides insights into the importance of handling imbalanced data to improve the accuracy of AI-based medical diagnoses.
Co-Authors A Gafur A Gafur Ade Syahrizal Trisnawan Administrator Administrator Ady Soanata Agatha Tyagita Ayuningtyas Agung Sarjono Agung Suprastiyo Agustin, Kristya Sri Ahmad Halim Shidiq Akbar Wicaksono Akhmad Buhari Akhmad Subhan Suyuthi Andika Budi Ratwono Anggraeni, Anggy Herny Anita ÔÇì Ardianto Arief Kurniady Aries Hermawan Arif Siswanto Arik Nur Cahyo Arik Nur Cahyo Bambang Priyanto Bambang Sumarwoto Bambang Sutanto Bayu Ariyadi Bismoko, Radityo BUDIYANTO Budiyono ÔÇì C Sri Hartati c Sri Hartati C. Sri Hartati C. Sri Hartati C. Sri Hartati Cahya Indra Susilo Cahya Wiratama Cahyanti, Dita Dwi Cathrine Sri Hartati Chamariyah Chamariyah Chamariyah Chamariyah Chamariyah ÔÇÄ Chamariyah ÔÇì Choirul Anam AM Diponegoro Chusnul Chotimah Danang Khurniawan Danang Khurniawan Daniel ÔÇì Darmanto Darmanto Dewi Kristiyasari Dhian Rahma Thesiasari Dias Prawira Dini Peristiwanti Ningsih Dwi Kurniawati, Dwi Dwi Lina Nur Wiyastuti Dyah Ayu Cahyaningtyas Eko Budi Waluyo Endang Soekowati Enggar Tri Cahyono Errisona Mei Sandi Faisal Yoga Restukumala Faradina Dinda Sahala Fatimah Riswati Fausi Santoso Fikri, Ruki Rizal Nul Fitri Dhea Lusanti Harsono Harsono Hartati, C. Sri Hendik Arianto Hendra Kurniawan Heri Santoso Holilah holilah Holilah Holilah Hudiana, Unsa Ika Lisdiana Indah Sukma Poniandari Indra Prasetya jurnalmap map jurnalpps pps Kamarul Hidayat Karinda, Kisman Kurniasih, Rima Kusnaini Laksono Trisnantoro Legiman ÔÇÄ M. Anin Machfudhi Madinatul Munawarah Mas’ud Mathor ÔÇì Mei Indrawati Mei Indrawati Mei Indrawati, Mei Mochamad Atok Ilah Mohamad Iswanto Mohamad Khomaedy Muchammad Yunus Muhamad Amin Muhammad Ali Muhammad Mashudi Azrullah Muhammad Syafiuddin Muhammad Syamsul Anam Muninghar Najiyati, Siti Zumrotin Niswan Bayu Syasindy Nugroho Mardi W Nugroho Mardi Wibowo Nugroho Mardi Wibowo Nur Halimah Nurul Jannah ÔÇì Chamariyah ÔÇì Pratama, Reza Lintang Hana Prihantini, Eka Rahayu Purbawati Handayani Putra, Achmad Bayu Perdana Putri, Rainy Alifa Rifa Febrianti Rahardjo, Surjo Rahayuk, Sri Randi Muhammad Rio Budi Dwitama Risman Jainahu Riwayat, Andik Adi Putra Rizki Prasetya Wardana Rohman Rohman Rr.LismawatiHK, Rr.LismawatiHK Rubaidah ÔÇÄ Ruddy Winarko Ruddy Wiroko Rudi Endratmoko Rusjanto Rusjanto Sadikun Safril Selfianto Sahrul Sahrul Sari Julita Satrya Yudha Arrizky Selamet Riadi Sena Arta Mefia Septia Wahyudi Silahul Mukmin Silahul Mukmin Siti Komariah Siti Nur Fadlilah Soleh, Ary Sofyan Sonya Nova Anggini Supranda Sri Hartati Sri Hartati Sri Mulyani Suardi ÔÇÄ Subijanto ÔÇÄ Subijanto ÔÇì Sudarno Sudarno Sugiarno, Yuventius Suprayoga, Suprayoga Syaifuddin Syaiful Azmi Taufan Taufan Tiara Dinar Aulia Tyas, Dyah Ayu Hananing Usnan Uulindayah ÔÇì Wan Sasriani Wasis Budiarto Wasis Budiarto Waumi Waumi Wildan Zaman Winda Altra Sarjan Winda Altra Sarjana Wiwin Candra Wiyono ÔÇÄ Woro Utari Yudhar Hapsari Risdiantini Yudi Yudi Yustika Chandra Murthy Yuventius Sugiarno Zainul Hakim