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All Journal Jurnal Ilmiah Merpati (Menara Penelitian Akademika Teknologi Informasi) Jurnal Nalar Pendidikan Techno.Com: Jurnal Teknologi Informasi Jurnal Edukasi dan Penelitian Informatika (JEPIN) Sistemasi: Jurnal Sistem Informasi Jurnal Khatulistiwa Informatika Jusikom : Jurnal Sistem Komputer Musirawas JUTIM (Jurnal Teknik Informatika Musirawas) Jurnal Teknologi Informasi MURA JURNAL PENDIDIKAN TAMBUSAI JUSIM (Jurnal Sistem Informasi Musirawas) Jurnal ICT : Information Communication & Technology Jurnal Sistem Informasi Kaputama (JSIK) JE (Journal of Empowerment) JATI (Jurnal Mahasiswa Teknik Informatika) JTIK (Jurnal Teknik Informatika Kaputama) Jurnal Generic JUSTIAN - Jurnal Sistem Informasi Akuntansi JUSTIN (Jurnal Sistem dan Teknologi Informasi) Ilmu Komputer untuk Masyarakat Jurnal Sains dan Teknologi Jurnal Penelitian dan Pengabdian Masyarakat Jotika Ladang Artikel Ilmu Komputer Jurnal Teknologi Informasi Mura Indonesian Journal of Social Development Jurnal Pengabdian Masyarakat Unama Jurnal Agroindustri Berkelanjutan Indonesian Community Service Journal of Computer Science (IndoComs)
Wahyu Nugraha
Universitas Bina Sarana Informatika
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences Other

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Optimalisasi Model Logistic Regression untuk Prediksi Diabetes Menggunakan Seleksi Fitur Berbasis Korelasi Nugraha, Wahyu; Syarif, Muhamad
Jurnal ICT: Information Communication & Technology Vol. 25 No. 2 (2025): JICT-IKMI, December , 2025
Publisher : LPPM STMIK IKMI Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36054/jict-ikmi.v25i2.321

Abstract

Diabetes Mellitus is a pressing global health challenge, making early detection a key component of effective intervention. Machine learning has shown great potential in predicting diabetes risk. Among various models, Logistic Regression (LR) is often favored in a medical context due to its high interpretability, although its accuracy frequently lags behind more complex black-box models. LR performance is known to be highly sensitive to the quality and relevance of input features. This study aims to quantitatively evaluate the impact of a strict correlation-based feature selection strategy on the accuracy of the Logistic Regression model. Using the "Diabetes Health Indicators" dataset (N=100,000), this study compares two scenarios: (1) a baseline LR model using all features (All Input) and (2) an optimized LR model using only a subset of features (including engineered features) that have a high absolute correlation with diabetes diagnosis (Correlated Input). The results demonstrate a significant performance improvement. The All Input baseline model achieved an accuracy of 80.45%, while the Correlated Input model achieved an accuracy of 85.67%. This +5.22% absolute increase demonstrates that correlation-based feature selection effectively eliminates noise from irrelevant features, thus drastically improving the predictive power of the LR model. This study concludes that an optimized Logistic Regression with feature selection offers a strong balance between improved accuracy and the interpretability essential for clinical applications.
Co-Authors Adharani, Yana Afrizal Nehemia Toscany Agung Sasongko Ali Mustopa, Ali Ambo, Siti Nurbaya Ardiyansyah Ardiyansyah Ardiyansyah Ardiyansyah Arrizal, Affandi Arum, Akhiar Wista Bustami, M. Irwan Chindra Saputra Dharmawan, Weiskhy Steven Dian Palupi Rini Dyah Koesoemawardani Dzaky, Dewa Sheva Eva Meilinda Fahmi, Sonny Farida Febriati Febrianto, Feri Fibra Nurainy H, Nurhikmah Herti Yani, Herti Irfan Hassandi Jumail, Jumail Jumersyah Pratama, Raka Latifah Latifah Meilina, Poppy Mely Juniarti Muhamad Syarif Muhammad Iqbal Muhammad Sony Maulana Nurfia Oktaviani Syamsiah Nurhajijah Nurhajijah Nurjanatin Mubina Panny Agustia Rahayuningsih Petrus Yoko Pratama, Renaldi Purwaningtias, Deasy Putri, Khansa Aqilla Rabiatus Saadah Rabiatus Sa’adah Raja Sabaruddin Raja Sabaruddin Ramadhan, Atthilla Sulthan Rezki, Muhammad Risdiansyah, Deni Riski Annisa Rizka Dahlia Rully Mujiastuti Sabarudin, Raja Safitri Linawati Samsul Rizal Saputra, Dicky Satia Suhada, Satia SIKA, XAVERIUS Siti Nurdiani Sri Murni Sri Murni Sri Murni Syamsidi, Iman Carrazzi Syarif , Muhamad Syarif, Muhamad Taufik Hidayatulloh Umi Khultsum Zikri, Anharul