To cite package ‘fda’ in publications use:

Ramsay J (2025). fda: Functional Data Analysis. R package version 6.1.9, https://github.com/jamesramsay5/fda.

Corresponding BibTeX entry:

  @Manual{,
    title = {fda: Functional Data Analysis},
    author = {James Ramsay},
    year = {2025},
    note = {R package version 6.1.9},
    url = {https://github.com/jamesramsay5/fda},
  }