Analisis Sentimen Publik Terhadap Perkembangan Topik Program Makan Bergizi Gratis (MBG) Menggunakan Algoritma Support Vector Machine (SVM) Dan K-Means Clustering
DOI:
https://doi.org/10.30865/json.v8i1.10189Keywords:
Program Makan Bergizi Gratis, Analisis Sentimen, Support Vector Machine, K-Means Clustering, TF-IDFAbstract
Program Makan Bergizi Gratis (MBG) merupakan salah satu program prioritas pemerintah yang mulai diterapkan secara bertahap pada tahun 2025 untuk membantu memenuhi kebutuhan gizi peserta didik. Pelaksanaan program tersebut menimbulkan beragam tanggapan masyarakat melalui media sosial sehingga menghasilkan data komentar yang besar dan tidak terstruktur. Kondisi tersebut menyulitkan identifikasi kecenderungan sentimen dan topik yang berkembang apabila dilakukan secara manual. Penelitian ini bertujuan menganalisis sentimen publik serta mengidentifikasi kelompok topik pembahasan terkait Program MBG menggunakan algoritma Support Vector Machine (SVM) dan K-Means Clustering. Data penelitian terdiri dari 2.783 komentar pada salah satu video Chanel YouTube yaitu COMPAS.TV yang membahas MBG, sedangkan survei dan wawancara terhadap guru dan siswa digunakan sebagai bahan perbandingan bagi penulis. Tahapan penelitian meliputi preprocessing, pelabelan sentimen, pembobotan Term Frequency-Inverse Document Frequency (TF-IDF), klasifikasi menggunakan SVM, dan clustering menggunakan K-Means. Hasil klasifikasi SVM terhadap 557 data testing menghasilkan accuracy 81,51%, precision 81,48%, recall 81,51%, dan F1-score 81,29%. Selanjutnya, hasil Elbow Method menunjukkan jumlah cluster optimal sebanyak empat cluster (K=4). Dari 2.783 komentar, Cluster 1 terdiri atas 2.133 komentar (76,64%), Cluster 2 sebanyak 263 komentar (9,45%), Cluster 3 sebanyak 143 komentar (5,14%), dan Cluster 4 sebanyak 244 komentar (8,77%). Berdasarkan kata dominan, cluster merepresentasikan pandangan umum terhadap MBG, kritik terhadap manfaat dan pengelolaan MBG, keraguan dan kritik terhadap kebijakan pemerintah, serta kritik terhadap pemerintah dan pelaksanaan MBG. Hasil penelitian menunjukkan bahwa kombinasi SVM dan K-Means dapat memberikan gambaran mengenai kecenderungan sentimen dan topik pembahasan publik terhadap Program MBG.
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