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All Journal Jurnal Inotera Abdi Laksana : Jurnal Pengabdian Kepada Masyarakat KOMMAS: Jurnal Pengabdian Kepada Masyarakat Jurnal Peradaban Masyarakat (JPM) JARI APPA : Jurnal Pengabdian Kepada Masyarakat Musyawarah: Jurnal Pengabdian Masyarakat
Muhajir, Abdullah
Unknown Affiliation
Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Other

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Dampak Internet terhadap Produktivitas dan Kreativitas Pelajar di Era Digital Di SMA Neger 6 Tangerang Selatan Fito Wahyu Pratama, Fito; Muhajir, Abdullah; Nuno, Muhamad; Vembra, Aliano; Dharmawan, Aldo Lega; Fajri, Haris Al; Faqih, Muhamad Nurul; Sanjaya, Kennanda Ariel; Zaldi, Muhamad; Alhafidz , Dzikri; Manap, Nur Hanafi
KOMMAS: Jurnal Pengabdian Kepada Masyarakat Vol. 5 No. 2 (2024): KOMMAS: JURNAL PENGABDIAN KEPADA MASYARAKAT
Publisher : KOMMAS: Jurnal Pengabdian Kepada Masyarakat

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Abstract

Internet telah menjadi bagian tak terpisahkan dari kehidupan pelajar di era digital, memberikan dampak signifikan baik positif maupun negatif terhadap produktivitas dan kreativitas. Penelitian ini bertujuan untuk mengidentifikasi pengaruh penggunaan internet pada pelajar, termasuk manfaat seperti akses informasi dan pengembangan kreativitas, serta tantangan seperti gangguan konsentrasi dan potensi kecanduan. Metode yang digunakan adalah pendekatan deskriptif dengan observasi dan diskusi interaktif di SMAN 6 Tangerang Selatan. Hasil menunjukkan bahwa internet mampu meningkatkan kemampuan belajar dan kreativitas siswa jika digunakan secara bijak, namun juga berisiko menurunkan produktivitas jika penggunaannya tidak terkontrol. Kesimpulan dari penelitian ini adalah pentingnya literasi digital, manajemen waktu, dan peran aktif sekolah serta orang tua dalam mendukung penggunaan internet yang positif dan produktif.
Classification of Heart Disease Based on Clinical Data Using the K-Nearest Neighbor Method Muhajir, Abdullah; Cendra Harmon
Jurnal Inotera Vol. 11 No. 1 (2026): January-June 2026
Publisher : LPPM Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31572/inotera.Vol11.Iss1.2026.ID655

Abstract

Heart disease is one of the leading causes of death worldwide; therefore, methods that can support early and accurate diagnosis are urgently needed. This study aims to classify heart disease based on patients’ clinical data using the K-Nearest Neighbor (KNN) method. The dataset used consists of patients’ clinical data, including attributes such as age, gender, blood pressure, cholesterol levels, maximum heart rate, and other medical attributes.The research stages include data preprocessing, transformation of categorical data into numerical form, data normalization using StandardScaler, and data splitting into training and testing sets with a ratio of 80% and 20%, respectively. The classification process is carried out using the K-Nearest Neighbor algorithm with a K value of 7. Model performance evaluation is conducted using a confusion matrix and evaluation metrics including precision, recall, f1-score, and accuracy.The results show that the KNN method is able to classify heart disease with an accuracy rate of 57%. The model demonstrates good performance on the majority class; however, its performance on the minority class remains low due to data imbalance and similarities in characteristics between classes. Therefore, the KNN method can be used as an initial approach for classifying heart disease based on clinical data, although further development is still required to improve model performance
Co-Authors Abiyyulistyannika, Bimo Ahmad Ahmad Aisyah Ajis, M. Sahrul Alamsyah Putra, Rendy Alexsa, Mentari Alfiansyah, Sahrul Alhafidz , Dzikri Alifia Pratama, Reza Ananda Putri, Annisa Ananda Wibowo, Widi Annisa Ahmad, Nur Ansori, Aulia Nisya Anugrah , Rifki Bhaskoro , Alexander Herjuno Setyo Catur Aji Putra, Bagus Cendra Harmon Dharmawan, Aldo Lega Dimas Prayudha, Rangga Fajri, Haris Al Faqih, Muhamad Nurul Fauzan Hidayat, Abidzar Ferdinand, Niko Surya Fikri Pratama, Aditya Fito Wahyu Pratama, Fito Galih Mulyana, Naufal Herdiansyah, M. Keysa Ichsan Susanto, Dwi Ikhwanul Ikhsan, Aditya Imron Rosadi Jakti, Mirangga Kristianto, Indra Kurniawan, Windy Manap, Nur Hanafi Marsello Serang, Michael Muhammad Firdaus, Fico Mujaddid Akmal, Fathan Muzaki Arrasyid, Ihsan Nafsiah , Detty Naufal Ardiansyah, Maulana Negara, Nancaya Nuno, Muhamad Nurcandra Wijaya, Bagus Nurohman , Intan Maharani Octaviani Sajallah, Rarita Patricia Zefanya, Kezia Pazri Pujiwijaya, Rizal Pulungan, Fauzi Purnomo, Bram R. Sihombing, Nely Radiansyah , Nouvran Fikri Rahadiansyah, M. Alif Raihan Amsyah, Rahmad Ramliza, Zaki Reyyan Putratama Azsa, Keimal Ripkal Mutaqin, Aziz Rizky Giovanca, Altura Rukmana, Rika S , Farhan Rizky Sanjaya, Dimas Sanjaya, Kennanda Ariel Santoso, Muhamad Sulistyo, Diky Sunan Nugraha, Yopi Syawal Ferdinan, Rajesh Titikartaningsih, Eka Yuni Vembra, Aliano Wahyu Saputra, Shauma Widi Nugroho, Ari Yazidh Fadillah, Achmad Yunus Saputra, Muhamad Zaldi, Muhamad Zikri , Muhammad Agung