Kurt Hornik [aut, cre] (<https://orcid.org/0000-0003-4198-9911>),
  Ingo Feinerer [aut] (<https://orcid.org/0000-0001-7656-8338>),
  Martin Kober [aut]

Tyler Morgan-Wall [aut, cre],
  George Khoury [aut]

Silva Fabio [aut, cre],
  Reijs Victor [ctb]

Bob Rudis [aut, cre], Jay Jacobs [ctb], David Severski [ctb],
    Quinn Weber [ctb], Konrad Karczewski [ctb], Shinya Uryu [ctb], Gregory
    Jefferis [ctb], Ed Niles [ctb], Rick Saporta [ctb], Jonathan Sidi
    [aut, ctb], Matt Kaye [aut, ctb], Xinye Li [ctb], Andrie de Vries
    [aut, ctb]

Kurt Hornik [aut, cre] (<https://orcid.org/0000-0003-4198-9911>),
  David Meyer [aut],
  Christian Buchta [aut]

Fabio Centofanti [cre, aut],
  Antonio Lepore [aut],
  Simone Vantini [aut],
  Matteo Fontana [aut]

Angela Caro [aut],
  Antonio Elias [aut, cre],
  Daniel Peña [aut],
  Ruey S. Tsay [aut]

James Joseph Balamuta [aut, cre, cph]
    (<https://orcid.org/0000-0003-2826-8458>),
  Steven Andrew Culpepper [aut, cph]
    (<https://orcid.org/0000-0003-4226-6176>)

Michael Hudgens, Ilana Trumble, Andrew Allmon

Christine Blume [aut, cre] (<https://orcid.org/0000-0003-2328-9612>)

Sarah Lotspeich [aut],
  Ran Tao [aut, cre],
  Joey Sherrill [prg],
  Jiangmei Xiong [ctb]

Tomasz Jetka [aut, cre],
  Karol Nienaltowski [ctb],
  Michal Komorowski [ctb]

Original by F.L. Ramsey and D.W. Schafer;
    modifications by Daniel W. Schafer, Jeannie Sifneos and Berwin
    A. Turlach; vignettes contributed by Nicholas Horton, Kate Aloisio
    and Ruobing Zhang, with corrections by Randall Pruim

Original by F.L. Ramsey and D.W. Schafer; 
    modifications by Daniel W. Schafer, Jeannie Sifneos and Berwin
    A. Turlach; vignettes contributed by Nicholas Horton, Linda Loi,
    Kate Aloisio and Ruobing Zhang, with corrections by Randall Pruim

Vinicius Mayrink [aut, cre],
  Joao Duarte [aut]

Thomas Metzger [aut, cre],
  Christopher Franck [aut]

A Anil Kumar [aut],
  Baidya Nath Mandal [aut, cre],
  Rajender Parsad [aut],
  Sukanta Dash [aut],
  Mukesh Kumar [aut]

Gourab Mukherjee [aut],
  Arjun Panda [aut, cre],
  Ann Arvin [aut],
  Adrish Sen [aut],
  Nandini Sen [aut]