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All Journal Indonesian Journal of Electronics and Instrumentation Systems TEKNIK INFORMATIKA Semantik International Conference on Engineering and Technology Development (ICETD) Explore: Jurnal Sistem Informasi dan Telematika (Telekomunikasi, Multimedia dan Informatika) Jurnal Informatika Jurnal Informatika JOIV : International Journal on Informatics Visualization Jurnal Komputasi Prosiding Seminar Nasional Darmajaya CCIT (Creative Communication and Innovative Technology) Journal JUSIM (Jurnal Sistem Informasi Musirawas) Applied Technology and Computing Science Journal Jurnal Ilmiah Permas: Jurnal Ilmiah STIKES Kendal Journal of Information Systems and Technology Research Sewagati: Jurnal Pengabdian Masyarakat Indonesia RISTEC : Research in Information Systems and Technology Jurnal Teknologi dan Informatika (JEDA) Jurnal Alih Teknologi Komputer (ALTEK) Jurnal Alih Teknologi Sistem Informasi (JATSI) Journal of Informatics, Electrical and Electronics Engineering Jurnal Pengabdian UMKM Laporan Upaya Nyata Inovasi Ilmu Komputer (LUNIK) PENGAMATAN: Jurnal Pengabdian Masyarakat untuk Ilmu MIPA dan Terapannya
Yodhi Yuniarthe
Prodi Informatika, Fakultas Komputer, Universitas Mitra Indonesia, Lampung
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Nursing Public Health Social Sciences Veterinary Other

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Penerapan Algoritma C4.5 untuk Klasifikasi Tingkat Kedisiplinan Siswa Sekolah Menengah selipuri; Rosyana Fitria Purnomo; Yodhi Yuniarthe
Journal of Informatics, Electrical and Electronics Engineering Vol. 5 No. 1 (2025): September 2025
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/jieee.v5i1.2630

Abstract

Abstract?This study aims to evaluate the performance of the Decision Tree algorithm based on the entropy criterion (C4.5) in classifying student eligibility by considering both academic and non-academic data. The dataset consists of 200 entries with nine attributes, including attendance percentage, number of lateness incidents, disciplinary violations, average academic scores, participation, study hours, and extracurricular activities. Data processing was carried out through several stages, namely cleaning, transformation, feature selection, training and testing data splitting, and model evaluation using a confusion matrix. The experimental results show that the proposed model achieved an accuracy of 87.5%, an average precision of 85.6%, an average recall of 84.2%, and an F1-Score of 84.8%. These findings confirm that the C4.5 algorithm can be effectively applied to support student performance classification with a fairly high level of reliability.
Pelatihan Website Responsif UMKM dengan Flask dan Bootstrap 4.5 di Cimanuk Hartanto, Budi; Yuniarthe, Yodhi; Putra, Arie Setya; Fawa’ati, Teuku Muhamad; Brajanoto, Destoprani; Dirayati, Fadhilah
PENGAMATAN: Jurnal Pengabdian Masyarakat untuk Ilmu MIPA dan Terapannya Vol 2 No 2 (2024): PENGAMATAN: Jurnal Pengabdian Masyarakat untuk Ilmu MIPA dan Terapannya
Publisher : Jurusan Matematika FMIPA Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/pengamatanv2i2p54-60

Abstract

Pengamatan: Pelatihan Website Responsif UMKM dengan Flask dan Bootstrap 4.5 di Desa Cimanuk bertujuan untuk meningkatkan keterampilan digital pelaku UMKM dalam membangun website yang responsif dan efektif. Metode pelatihan meliputi sesi teori dan praktik, di mana peserta diajarkan cara menggunakan Flask untuk backend dan Bootstrap 4.5 untuk desain frontend. Pelatihan ini dirancang untuk memberikan pemahaman mendalam tentang pembuatan website yang dapat diakses dengan baik di berbagai perangkat, yang merupakan aspek krusial dalam pemasaran digital saat ini. Hasil pelatihan menunjukkan bahwa peserta mampu membuat website yang sesuai dengan standar responsif dan memiliki pemahaman yang lebih baik tentang teknologi web modern. Selain itu, pelatihan ini diharapkan dapat membantu UMKM di Desa Cimanuk untuk memperluas jangkauan pasar mereka dan meningkatkan visibilitas online mereka, yang pada akhirnya dapat mendukung pertumbuhan ekonomi lokal.
Pendampingan Masyarakat dalam Optimalisasi Administrasi Desa melalui Pelatihan Tata Kelola Dokumen Putra, Arie Setya; Yuniarthe, Yodhi; Fawa’ati, Teuku Muhamad; Brajanoto, Destoprani; Dirayati, Fadhilah; Hartanto, M Budi; Marlina, Iin
PENGAMATAN: Jurnal Pengabdian Masyarakat untuk Ilmu MIPA dan Terapannya Vol 3 No 1 (2025): PENGAMATAN: Jurnal Pengabdian Masyarakat untuk Ilmu MIPA dan Terapannya
Publisher : Jurusan Matematika FMIPA Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/pengamatanv3i1p23-26

Abstract

Well-organized village administration is an essential factor in supporting transparency and government effectiveness. However, many villages still face challenges in systematically managing administrative documents. This community service activity aims to provide training to village officials on effective document management. The method used in this activity is practice-based training with a participatory approach. The results of this training show an increase in understanding and skills in village document management. With this assistance, it is expected that village administration will be more structured and accountable.
Sentiment Analysis of Twitter Discussions About Lampung Robusta Coffee: A Comparative Study of Machine Learning Algorithms with SVM as The Optimal Model Yuniarthe, Yodhi; Syarif, Admi; Shofi, Imam Marzuki; Fatimah Fahurian
JURNAL TEKNIK INFORMATIKA Vol. 18 No. 2: JURNAL TEKNIK INFORMATIKA
Publisher : Department of Informatics, Universitas Islam Negeri Syarif Hidayatullah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/jti.v18i2.41316

Abstract

Lampung Robusta coffee is an important commodity in Indonesia, particularly in terms of local economic potential and global recognition. However, public perception of this product on social media, particularly Twitter, remains underexplored. This study addresses the need for a deeper understanding of consumer sentiment towards Lampung Robusta coffee, which could inform branding and marketing strategies. To approach this issue, we used five supervised machine learning algorithms-KNN, Naive Bayes, SVM, Decision Tree, and Logistic Regression-to perform sentiment classification on a dataset of tweets containing relevant keywords. The dataset was pre-processed using standard natural language processing techniques, including tokenization, stopword removal, and TF-IDF feature extraction. The SVM achieved the best performance on the unbalanced dataset for all metrics, with high and consistent accuracy and F1 scores. Logistic regression followed closely with similarly strong and stable results. Therefore, SVM is recommended as the final model. These results suggest that machine learning approaches can effectively classify sentiment in social media discussions about regional agricultural products and that random forest may provide the most robust performance in this context  
Co-Authors Adelita, Ira Admi Syarif agus kurniawan syah Agus Wantoro Andriansyah, Beny Apri Candra Widyawati Arie Oktavianto Arie Setya Putra Arie Setya Putra Arini, Esty Prawita Arlisa, Yoana Brajanoto, Destoprani Brojonoto, Destroprani budi hartanto Budi Hartanto Destanto, Tri Dina Haryati Dirayati, Fadhilah Dwi Nurahman dwi yunita, hilda Eko Hendro Pramono, Doni Fahurian, Fatimah Fawa’ati, Teuku Muhamad Fawa’ati, Teuku Muhammad Hairudin, Hairudin Hartanto, M Budi Hartanto, MB Hendri, Romi Heni Sulistiyani Hilda Dwi Yunita Icha Nuari Idris Asmuni Iin Marliana Ikhwan, Akhmad Ivan Febrianda Khoiriah, Nisaul Khozainuz Zuhri M Budi Hartanto M. Budi Hartanto, M. Budi M.Budi Hartanto Machudor Yusman marliana, iin Marlina, Iin Nanda Putra Wicaksono Oktaria, Eka Travilta Purnomo, Rosyana Fitria Ramandhita Herdianto Resy Anggun Sari Rifan Wahyudi Romi Hendr Romi Hendri Romi Hendri Rosyana Fitria Purnomo Rosyana Fitria Purnomo Rudi Setiawan Sari, Resy Anggun selipuri Septiono Septiono Shofi, Imam Marzuki Sri Ipnuwati Sukri, Hamdan Sumaryo Gitosaputro syah, agus kurniawan Syah, Muhamad Arnando Triyugo Winarko Triyugo Winarko, Triyugo Warsito Warsito Wati, Deva Imelda Setia Wengrum, Tyas D Yonaldo Anggara Yuli Syafitri Yulistina Yulistina