PERBADINGAN KINERJA MACHINE LEARNING PADA ANALISIS SENTIMEN TOPIK BOARD OF PEACE DI MEDIA SOSIAL X MENGGUNAKAN RANDOM FOREST, SUPPORT VECTOR MACHINE, K-NEAREST NEIGHBOR, DAN NAÏVE BAYES

ABIYYU VALIN ZAVERO, 3012211001 (2026) PERBADINGAN KINERJA MACHINE LEARNING PADA ANALISIS SENTIMEN TOPIK BOARD OF PEACE DI MEDIA SOSIAL X MENGGUNAKAN RANDOM FOREST, SUPPORT VECTOR MACHINE, K-NEAREST NEIGHBOR, DAN NAÏVE BAYES. Undergraduate thesis, Universitas Internasional Semen Indonesia.

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Abstract

Platform X merupakan salah satu tempat bagi masyarakat untuk menyampaikan opini terhadap berbagai isu yang sedang panas, termasuk topik terkait Board of Peace. Penelitian ini bertujuan menganalisis sentimen publik di media sosial serta membandingkan kinerja algoritma Random Forest, Support Vector Machine (SVM), K-Nearest Neighbor (KNN), dan Naïve Bayes. Dataset yang digunakan berjumlah 4.364 tweet berbahasa Indonesia yang terdiri atas sentimen positif, negatif, dan netral. Data melalui tahapan pelabelan manual, preprocessing, ekstraksi fitur menggunakan TF-IDF, serta mengatasi ketidakseimbangan kelas dataset dengan SMOTE dan Tomek Links. Evaluasi dilakukan menggunakan 5-fold Stratified K-Fold Cross Validation dengan metrik accuracy, precision, recall, dan F1-score. Hasil penelitian menunjukkan algoritma Naïve Bayes memperoleh accuracy tertinggi sebesar 83%, Random Forest memperoleh precision tertinggi sebesar 60%, sedangkan SVM memperoleh recall tertinggi sebesar 73% dan F1-score tertinggi sebesar 60%. KNN memperoleh performa paling rendah dengan accuracy sebesar 19% dan F1-score sebesar 22%. Berdasarkan keseimbangan antara precision dan recall, SVM menunjukkan performa paling baik berdasarkan nilai F1-score. Penelitian ini juga menghasilkan prototipe website untuk melakukan klasifikasi sentimen terhadap teks baru.

Item Type: Thesis (Undergraduate)
Additional Information: Softfile/KK.26/UISI-01/IF
Uncontrolled Keywords: Analisis Sentimen, Board of Peace, X (X), Machine Learning, Random Forest, SVM, KNN, Naïve Bayes
Contributors:
ContributionNameEmail
Thesis advisorTaufiqotul Bariyah, S.Kom., M.IM.taufiqotul.bariyah@uisi.ac.id
Subjects: T Technology > T Technology (General)
Divisions: Department of Informatics
Depositing User: Abiyyu Valin Zavero
Date Deposited: 30 Oct 2026 15:23
Last Modified: 30 Oct 2026 15:23
URI: https://repository.uisi.ac.id/id/eprint/9419

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