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DAVID KURNIAWAN
Fakultas Peternakan Universitas Brawijaya
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Journal : Jurnal Mantik

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A Improving lung cancer classification with feature selection: a comparative study of random forest and xgboost Kurniawan, David; Budiman, Ega; Fadli, Muhammad; Susanto, Erliyan Redy
Jurnal Mantik Vol. 9 No. 1 (2025): May: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/mantik.v8i5.6319

Abstract

The leading cause of cancer mortality worldwide remains lung cancer which can be better managed when early and precise diagnosis is achieved to enhance patient outcomes. High-dimensional datasets in medical diagnostics create obstacles for classification because redundant and irrelevant features diminish model accuracy and boost computational complexity. This research investigates how feature selection enhances the performance of lung cancer classification models. The study evaluates Random Forest (RF) and XGBoost as classification models and uses Genetic Algorithm (GA) for feature selection to enhance model efficiency. The GA process ran for 50 generations and reached convergence at the 40th generation which showed that the optimal feature subset had reached stability. Random Forest outperformed XGBoost using GA-based feature selection in a number of parameters, such as accuracy, precision, recall, F1-score, and AUC-ROC. Random Forest displays superior effectiveness in utilizing optimized feature subsets to achieve enhanced generalization and classification performance over XGBoost. The research stands out because it compares how feature selection affects RF and XGBoost algorithms for lung cancer classification using fixed model settings. The research findings demonstrate the value of integrating RF with GA for feature selection as it offers potential for building both efficient and interpretable lung cancer diagnostic models within medical AI
Co-Authors Aditya Wirawantoro Putra Adolina Prameswari, Dolly Agustin Mardiana, Nur Budi Santosa Budi Santosa Budiman, Ega Choirul Anwar Dadari, Febriana Widyastuti Desmas Arifianto Patriawan Edwin Pramana Francisca Haryanti Chandra Gita Ayu Gunawan Gunawan Hanggara, Jeffry Hery Irawan, Hery Hidayatullah, Dhimas INDRIANI, YULIA Mahmudah, Nur Aini Mardikayasa, I Ketut Martalia, Diana Muhammad Fadli Nur Aini Mahmudah Oktaviani, Nabilla Prima Astuti Handayani Purnomo, Panji Putra, Aditya W. Reskino Reskino, Reskino Ryan Randy Suryono Simarmata, Yohanes Simatupang, Wita Sjahid Latief, Mutawalli Susanto, Erliyan Redy Tjahjadi, Eduard Zulfa, Yanna Naila