To cite package ‘jfun’ in publications use:

Jia H (2021). jfun: Personal Helper Functions of Hongyuan Jia. R package version 0.0.0.9000, https://github.com/hongyuanjia/jfun.

Corresponding BibTeX entry:

  @Manual{,
    title = {jfun: Personal Helper Functions of Hongyuan Jia},
    author = {Hongyuan Jia},
    year = {2021},
    note = {R package version 0.0.0.9000},
    url = {https://github.com/hongyuanjia/jfun},
  }