Sentiment analysis and causal learning of COVID-19 tweets prior to the rollout of vaccines

• Qihuang Zhang,

  Roles Conceptualization, Data curation, Formal analysis, Software, Writing – original draft

  Affiliations Department of Statistical and Actuarial Sciences, University of Western Ontario, London, Ontario, Canada, Department of Epidemiology and Biostatistics, McGill University, Montreal, Quebec, Canada

  https://orcid.org/0000-0003-1455-2159

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• Grace Y. Yi ,

  Roles Funding acquisition, Project administration, Supervision, Writing – review & editing

  * E-mail: gyi5@uwo.ca

  Affiliations Department of Statistical and Actuarial Sciences, University of Western Ontario, London, Ontario, Canada, Department of Computer Science, University of Western Ontario, London, Ontario, Canada

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• Li-Pang Chen,

  Roles Writing – review & editing

  Affiliation Department of Statistics, National Chengchi University, Taipei, Taiwan

  https://orcid.org/0000-0001-5440-5036

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• Wenqing He

  Roles Writing – review & editing

  Affiliation Department of Statistical and Actuarial Sciences, University of Western Ontario, London, Ontario, Canada

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