Longitudinal analysis of sentiment and emotion in news media headlines using automated labelling with Transformer language models

• David Rozado ,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: david.rozado@op.ac.nz

  Affiliation Te Pūkenga–New Zealand Institute of Skills and Technology, Dunedin, Otago, New Zealand

  https://orcid.org/0000-0001-6849-4746

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• Ruth Hughes,

  Roles Data curation, Project administration

  Affiliation Department of Psychology, University of Otago, Dunedin, Otago, New Zealand

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• Jamin Halberstadt

  Roles Conceptualization, Methodology, Supervision, Writing – original draft, Writing – review & editing

  Affiliation Department of Psychology, University of Otago, Dunedin, Otago, New Zealand

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