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All Journal Jurnal Informatika Universitas Pamulang Jurnal Administrasi dan Manajemen JAMAIKA: Jurnal Abdi Masyarakat Abdi Jurnal Publikasi LOGIC : Jurnal Ilmu Komputer dan Pendidikan OKTAL : Jurnal Ilmu Komputer dan Sains BULLET : Jurnal Multidisiplin Ilmu Jurnal Ilmu Komputer dan Sistem Informasi Journal of Innovative and Creativity
Ahmad Fauzi
Universitas Pamulang
Humanities Astronomy Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Medicine & Pharmacology Nursing Social Sciences Other

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Optimalisasi Random Forest untuk Sentimen Bahasa Indonesia dengan GridSearch dan SMOTE Ahmad Fauzi; Agus Heri Yunial; Dede Eko Saputro; Reza Saputra
Jurnal Ilmu Komputer dan Sistem Informasi Vol. 4 No. 2 (2025): Mei 2025
Publisher : LKP Unity Academy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70340/jirsi.v4i2.207

Abstract

This research focuses on optimizing the Random Forest algorithm for sentiment analysis of social media x in Indonesian using TextBlob as a labeling tool, followed by the SMOTE data balancing technique and hyperparameter optimization with GridSearch. The data used was taken from 611 tweets with the keyword ukt (single tuition). Sentiment labeling using TextBlob produces 438 negative sentiments and 173 positive sentiments. The SMOTE method is used to balance the data by first dividing the data into 75% training data and 25% test data. Data vectorization using tf-idf. The Random Forest algorithm model was evaluated with an initial accuracy using split data of 73%, and cross validation evaluation with 10 k-folds produced an accuracy value of 75%. Optimization carried out with GridSearch hyperparameters succeeded in increasing the accuracy value to 74%, while cross validation evaluation using 10 k-fold accuracy was 89%. In this research, the SMOTE method was effective in balancing unbalanced data, and gridsearch hyperparameter optimization succeeded in increasing the accuracy value of the Random Forest algorithm in classifying social media sentiment x in Indonesian with automatic texblob labeling.
Co-Authors Achmad Casdik Achmad Lutfi Fuadi Ade Napila Agus Heri Yunial Aldie Hendrawanto Andrian Hidayat Bangun Suprianto Chandra Alim Dede Eko Saputro Dhamar Galih Alfarizi Diski Apriana Herwis Gultom Irfan Alamsah Jepri Afrizal Khoiriyah Mochamad Aminnur Perani Rosyani Radja Susun Pakpahan Reza Saputra Safira Madinah Widia Sofyan Mufti Prasetiyo Sutisna Mustika Rahmat Tukiyat Tukiyat Wike Rahayu Yoggi Ilham Mulya