Analisis Pro Kontra Vaksin Covid 19 Menggunakan Sentiment Analysis Sumber Media Sosial Twitter

The development of information technology today has experienced very rapid growth. One the developments in technology, namely social media such as Twitter, Facebook, and Youtube, are some most popular communication today's society. Twitter is often used to express emotions about something, either praising or criticizing form emotion. Human can be categorized into five basic emotions, love, joy, sadness, anger, fear. users' emotional tweets known opinion sentiment analysis (opinion analysis). Sentiment also carried out see opinions tendencies towards a problem policy, whether they tend have negative positive opinions. COVID-19 vaccine become one discussions with fairly high intensity on media. Vaccine-related increased government policies evolve. responses netizens varied, ranging from clinical trials vaccines, free effectiveness, halal implementation vaccinations. This research produces system that analyze tweet related covid 19 Indonesia where obtained using API. uses Multinominal Naive Bayes method for classification process.