To cite package ‘trendtestR’ in publications use:

  Gelan Huang (2025). _trendtestR: Exploratory Trend Analysis and
  Visualization for Time-Series and Grouped Data_. R package version
  1.0.1, <https://github.com/grahnh/trendtestr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {trendtestR: Exploratory Trend Analysis and Visualization for Time-Series and
Grouped Data},
    author = {{Gelan Huang}},
    year = {2025},
    note = {R package version 1.0.1},
    url = {https://github.com/grahnh/trendtestr},
  }