R Core Team [aut, cph, cre],
  Roger Bivand [ctb, cph],
  Vincent J. Carey [ctb, cph],
  Saikat DebRoy [ctb, cph],
  Stephen Eglen [ctb, cph],
  Rajarshi Guha [ctb, cph],
  Swetlana Herbrandt [ctb],
  Nicholas Lewin-Koh [ctb, cph],
  Mark Myatt [ctb, cph],
  Michael Nelson [ctb],
  Ben Pfaff [ctb],
  Brian Quistorff [ctb],
  Frank Warmerdam [ctb, cph],
  Stephen Weigand [ctb, cph],
  Free Software Foundation, Inc. [cph]

Franco Marsico [aut, cre],
  Thore Egeland [aut]

Liyong Fu [aut],
  Shirong Liu [aut],
  Shouzheng Tang [aut],
  Guangshuang Duan [aut],
  Zhong Wang [aut],
  Linyan Feng [aut],
  Dongbo Xie [aut],
  Yuanyuan Han [aut, cre]

Tom Wilson [aut, cre] (<https://orcid.org/0000-0003-3112-4682>),
  Jasen Finch [aut]

Mahdi Teimouri [aut, cre, cph, ctb] (<https://orcid.org/0000-0002-5371-9364>)

Carlos Alberto Silva [aut, cph, cre],
  Ekena Rangel Pinagé [aut] (Reviews the documentation),
  Midhun Mohan [aut] (Reviews the documentation),
  Danilo Roberti Alves de Almeida [aut] (Reviews the documentation),
  Eben North Broadbent [aut] (Reviews the documentation),
  Wan Shafrina Wan Mohd Jaafar [aut] (Reviews the documentation),
  Daniel de Almeida Papa [aut] (Reviews the documentation),
  Adrian Cardil [aut] (Reviews the documentation),
  Ruben Valbuena [cph, aut],
  Toby Jackson [aut],
  Jeff Atkins [aut],
  Caio Hamamura [aut] (Maintenance and review),
  Carine Klauberg [aut] (Reviews the documentation)

Andreas Hill [aut, cre],
  Alexander Massey [aut],
  Daniel Mandallaz [ctb]

Yilong Zhang [aut],
  Benjamin Wang [aut, cre],
  Yujie Zhao [aut],
  Nan Xiao [ctb],
  Xuan Deng [ctb],
  Merck Sharp & Dohme Corp [cph]

Sollano Rabelo Braga [aut, cre, cph],
  Marcio Leles Romarco de Oliveira [aut],
  Eric Bastos Gorgens [aut]

Max Gordon [aut, cre],
  Thomas Lumley [aut, ctb]

Jeff Atkins [aut, cre],
  Gil Bohrer [aut],
  Robert Fahey [aut],
  Brady Hardiman [aut],
  Chrisopher Gough [aut],
  Timothy Morin [aut],
  Atticus Stovall [aut],
  Naupaka Zimmerman [ctb, aut],
  Chris Black [ctb]