To cite package ‘fctutils’ in publications use:

Guo K (2024). fctutils: Advanced Factor Manipulation Utilities. R package version 0.0.8, https://github.com/guokai8/fctutils.

Corresponding BibTeX entry:

  @Manual{,
    title = {fctutils: Advanced Factor Manipulation Utilities},
    author = {Kai Guo},
    year = {2024},
    note = {R package version 0.0.8},
    url = {https://github.com/guokai8/fctutils},
  }