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All Journal Telematika : Jurnal Informatika dan Teknologi Informasi JIKA (Jurnal Informatika) Jurnal Pengabdian kepada Masyarakat Nusantara Jurnal Aplikasi Teknologi Informasi dan Manajemen (JATIM) Jurnal Altifani Penelitian dan Pengabdian kepada Masyarakat Teknomatika: Jurnal Informatika dan Komputer
dayat subekti
Universitas Jenderal Achmad Yani Yogyakarta
Religion Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Languange, Linguistic, Communication & Media Nursing Public Health Social Sciences

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PERBANDINGAN METODE DECISION TREE DAN NAIVE BAYES CLASSIFIER PADA ANALISIS SENTIMEN PENGGUNA LAYANAN PT PERUSAHAAN LISTRIK NEGARA (PLN) ABIYOGA BAGUS MUSTRIYANTO; Muhammad Habibi; Dayat Subekti; Fajar Syahruddin
Jurnal Teknomatika Vol 15 No 2 (2022): TEKNOMATIKA
Publisher : Fakultas Teknik dan Teknologi Informasi, Universitas Jenderal Achmad Yani Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30989/teknomatika.v15i2.1131

Abstract

Background : PLN is a state-owned company that is tasked with supplying electricity to all regions of Indonesia which certainly cannot be separated from the various obstacles experienced, to find out public sentiment on the services that have been provided, an analysis is carried out to determine public sentiment. The results of these sentiments are created in the dashboard using the Flask framework by comparing the Naive Bayes and Decision tree methods. To create a sentiment analysis dashboard for PT. PLN and make a research analysis model using a comparison of the Naive Bayes Classification and Decision tree methods. The method used in this research is Naive Bayes and Decision tree. The data obtained with a total of 40,745 Tweet data taken in the period 1 May 2022 - 4 June 2022 with the keyword "PLN". Making a dashboard that displays the results of the analysis where there is a menu to display the data and each analysis process. The use of 900 training data and 300 testing data resulted in the Naive Bayes method getting an accuracy of 83% on the training data and 80% for the Testing data, while the Decision tree method got an accuracy of 77% on the Training data and 56% on the Testing data. The analysis obtained for the method in this study also shows that the Naive Bayes method is better for classifying large amounts of data than the Decision tree. The sentiment generated by the highest number is negative, with most of the Tweets being complaints about the response to complaints and handling of damage reported by the public.
IMPLEMENTASI METODE CERTANITY FACTOR UNTUK MENDETEKSI HAMA PENYAKIT TANAMAN PADI BERBASIS MOBILE Dayat Subekti; Chanief Budi Setiawan; Alfindra Habib Nugroho; Joni Indra Pratama
Jurnal Informatika Vol 10 No 1 (2026): JIKA (Jurnal Informatika)
Publisher : University of Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31000/jika.v10i1.15012

Abstract

Penelitian ini megambil topik yang sesuai dan sejalan serta mendukung dengan program pemerintah yaitu tentang ketahanan pangan. Penelitian ini membahas tentang sebuah metode dalam mendeteksi dan mendiagnosa hama dan penyakit tanman padi. Tujuan dari penelitian ini adalah ikut membantu bagi petani dalam mengantisipasi hama dan dan penyakit sehingga diharapkan hasil panen bisa optimal. Jalan penelitian menggunakan metode yaitu Certainty Factor dan metode waterfall untuk tahapan pengembangan sistem yang terdiri dari analisis, desain, implementasi, dan pengujian sedangkan Certainty Factor untuk perhitungan tingkat akurasi. Hasil dari penelitian ini adalah sebuah aplikasi yang berbasis mobile diperuntukan bagi petani khususnya dan pemerintah dalam mendukung program ketahanan pangan dengan jalan menaikan hasil panen khusunya petani padi
Co-Authors ABIYOGA BAGUS MUSTRIYANTO Achmad Faisal Agung Permana Mukti Agung Priyanto Alfindra Habib Nugroho Arief Ikhwan Wicaksono Arif Himawan Chanief Budi Setiawan Dimas Rully Azzuhry Fajar Syahruddin Halillur Nur Afandi Joni Indra Pratama Kusrini Landung Sudarmana Muhammad Habibi Muhammad Rifqi Ma'arif Nafisa Alfi Sa'diya Pambudi Lono Sudarmawan