To cite package ‘duet’ in publications use:

  Efthimiou T (2025). _duet: Analysing Non-Verbal Communication in
  Dyadic Interactions from Video Data_. R package version 0.1.1,
  <https://github.com/themisefth/duet>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {duet: Analysing Non-Verbal Communication in Dyadic Interactions from
Video Data},
    author = {Themis Efthimiou},
    year = {2025},
    note = {R package version 0.1.1},
    url = {https://github.com/themisefth/duet},
  }