To cite package ‘checkthat’ in publications use:

Cero I (2023). checkthat: Intuitive Unit Testing Tools for Data Manipulation. R package version 0.1.0.9000, https://github.com/iancero/checkthat.

Corresponding BibTeX entry:

  @Manual{,
    title = {checkthat: Intuitive Unit Testing Tools for Data
      Manipulation},
    author = {Ian Cero},
    year = {2023},
    note = {R package version 0.1.0.9000},
    url = {https://github.com/iancero/checkthat},
  }