Twitter Discussions and Emotions About the COVID-19 Pandemic: Machine Learning Approach

Jia Xue   ^{1, 2} , PhD ;   Junxiang Chen   ³ , PhD ;   Ran Hu   ¹ , MSW, MA ;   Chen Chen   ⁴ , PhD ;   Chengda Zheng   ² , BCom ;   Yue Su   ^{5, 6} ;   Tingshao Zhu   ⁵ , PhD

¹ Factor-Inwentash Faculty of Social Work, University of Toronto, Toronto, ON, Canada

² Faculty of Information, University of Toronto, Toronto, ON, Canada

³ School of Medicine, University of Pittsburgh, Pittsburgh, PA, United States

⁴ Middleware System Research Group, University of Toronto, Toronto, ON, Canada

⁵ CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, China

⁶ Department of Psychology, University of Chinese Academy of Sciences, Beijing, China