Young Geun Kim [aut, cre, cph]
    (<https://orcid.org/0000-0001-8651-1167>),
  Changryong Baek [ctb]

Biplab Paul [aut, cre],
  Arabin Kumar Dey [aut]

Amir Nikooienejad [aut, cre], Valen E. Johnson [ths]

Seung Jun Shin [aut, cre],
  Yichao Wu [aut],
  Ning Hao [aut]

Alencar Xavier [aut, cre] (<https://orcid.org/0000-0001-5034-9954>),
  William Muir [aut],
  David Habier [aut],
  Kyle Kocak [aut],
  Shizhong Xu [aut],
  Katy Rainey [aut]

Louis Gautier Tran [aut],
  Gilles Charmet [aut],
  Bangyou Zheng [cre]

Mercedes Conde-Amboage [aut, cre]
    (<https://orcid.org/0000-0003-0306-8142>),
  Cesar Sanchez-Sellero [aut] (<https://orcid.org/0000-0003-0046-0819>)

Hunyong Cho, Chuwen Liu, Jinyoung Park, Di Wu

Martin Sill, Thomas Hielscher, Manuela Zucknick, Natalia Becker.

Øystein Olav Skaar [aut, cre, cph]
    (<https://orcid.org/0000-0001-5605-3492>)

Aniek Sies [aut, cre],
  Kristof Meers [ctb],
  Iven Van Mechelen [ths]

Max Kuhn [aut, cre],
  Steve Weston [ctb],
  Mark Culp [ctb],
  Nathan Coulter [ctb],
  Ross Quinlan [aut] (Author of imported C code),
  RuleQuest Research [cph] (Copyright holder of imported C code),
  Rulequest Research Pty Ltd. [cph] (Copyright holder of imported C code)

Michael Greenacre [aut],
  Oleg Nenadic [aut, cre],
  Michael Friendly [ctb]

Rosaria Lombardo, Eric J Beh and Michel van de Velden

Nick Williams [aut, cre] (<https://orcid.org/0000-0002-1378-4831>)

Asier Moneva [aut, cre] (<https://orcid.org/0000-0002-2156-0213>),
  Miriam Esteve [aut],
  Timothy C. Hart [aut]

Winston Chang [aut, cre],
  RStudio [cph, fnd]

Debopam Rakshit [aut, cre],
  Dwaipayan Bardhan [aut]

Benjamin Saefken, David Ruegamer, Philipp Baumann and Rene-Marcel Kruse, with contributions from Sonja
    Greven and Thomas Kneib

Simon Urbanek <Simon.Urbanek@r-project.org>, Jeffrey Horner <jeff.horner@vanderbilt.edu>

Felipe Campelo [aut, cre],
  Fernanda Takahashi [ctb],
  Elizabeth Wanner [ctb]

Francisco Lobo [aut],
  Felipe Campelo [aut, cre],
  Jorge Augusto Hongo [aut],
  Giovanni Marques de Castro [aut],
  Gabriel Almeida [sad, dnc]