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<a target="_blank" rel="noopener" href="https://fatcat.wiki/container/e2edi7vsvnbf3nx6iy25ioadxe" style="color: black;">International Journal of Modern Education and Computer Science</a>
The development of the Internet in Indonesia is quite rapid, it is marked by the increasing use of social networks, especially Twitter. Not only to share status or stories, Twitter has become become a means of promotion and campaign for elections. The Twitter data can be used to find out the political polarization in Indonesia that is needed in the 2019 presidential election. The method used in this research is sentiment analysis using naï ve bayes classifier and social network analysis using<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.5815/ijmecs.2019.11.04">doi:10.5815/ijmecs.2019.11.04</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/qu4wqzn6zrhvddhhgiip4diu5i">fatcat:qu4wqzn6zrhvddhhgiip4diu5i</a> </span>
more »... e calculation of network attribute values and centrality values. 8.814 Twitter data was collected using data crawling method. The data are divided into three subsets consisting of jokowi's sentiments, prabowo's sentiments, and pilpres's sentiments. Final result of the sentiment analysis is classified sentiments into positives, negatives, and neutral. The average value of the classification results was 91.27% positive sentiment, 7.56% negatives sentiment, and 1.17% neutral sentiment. This classification yielded the average accuracy of 69.2% for jokowi's sentiments and 100% for prabowo sentiments. The classification accuracy calculation uses ROCs method. Final results of the social network analysis based on the calculation of network attributes yielded 277 nodes, 7.950 edges, 57,401 average degree, 56.44 average weighted degree, network diameter is 4, 1.853 average path length, 0.201 density, and 5 of number communities. Centrality values generates the 5 most influential actors in social network interactions are jokowi's of first rank, 2 nd SBYudhoyono's, 3 rd detikcom, 4 th yjuniardi, 5 th mohmahfudmd.
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