Öz
Developments in communication technologies have made social media the focal point of social life. People freely share their opinions and comments on any subject, product on social media. Especially, the distance rule for interpersonal communications during the pandemic period has intensified the flow of data on social media, shifted business models to the social media environment and bring up ergonomic conditions. The effects of the corona virus epidemic, which is the most important agenda of today, on public life constitute the people's intensified thoughts about the epidemic. Therefore, an analysis study was conducted on the reflection of the pandemic process on ergonomic conditions and social life. In this study, it was tried to keep the pulse of the society on the corona virus epidemic by using emotion analysis techniques of text mining. Since the data subject to sentiment analysis are the opinions of individuals, tweet data, in which people can freely share their thoughts and moods on social media, was selected as the study data source. While tweet data is usually short in length, texts can contain linguistic errors. In addition, the texts contain irony and emojis, making text analysis processes difficult. The fact that text analysis needs correct data in order to produce correct results requires the application of data analysis processes to the data before analysis. With these features, analysis of tweet data with natural language processing techniques emerges as an important field of study. For this reason, the tweet data shared by people related to the corona virus selected as the subject of the study on social networks were collected with an application written in phyton. These data were first cleaned with various linguistic techniques specific to Turkish, then were processed by dictionary-based, bert and machine learning emotion analysis techniques. The results obtained and the sensitivity analysis of the results are presented comparatively.