Itziar Irigoien [aut],
  Concepción Arenas [aut],
  Itsaso Rodríguez-Moreno [cre, aut]

Sebastian Dalgarno [aut] (<https://orcid.org/0000-0002-3658-4517>),
  Joe Thorley [aut] (<https://orcid.org/0000-0002-7683-4592>),
  Evan Amies-Galonski [aut, cre]
    (<https://orcid.org/0000-0003-1096-2089>),
  Poisson Consulting [cph, fnd]

Lacey W. Heinsberg [aut, cre],
  Daniel E. Weeks [aut],
  University of Pittsburgh [cph]

Thomas Lumley [aut, cph],
  Shangqing Cao [ctb, cre]

Gabriel Budel [aut, cre], Flavius Frasincar [aut]

Joseph Stachelek [aut, cre] (<https://orcid.org/0000-0002-5924-2464>)

R Special Interest Group on Databases (R-SIG-DB) [aut],
  Hadley Wickham [aut],
  Kirill Müller [aut, cre] (<https://orcid.org/0000-0002-1416-3412>),
  R Consortium [fnd]

Kirill Müller [aut, cre] (<https://orcid.org/0000-0002-1416-3412>),
  RStudio [cph],
  R Consortium [fnd]

Mai Zhou [aut],
  Li Lee [aut],
  Kun Chen [aut],
  Yifan Yang [aut, cre, cph]

Michael Brusco [aut],
  Aleš Žiberna [cre],
  Marjan Cugmas [ctb],
  Patrick Doreian [ctb],
  Doug Steinley [ctb]

Yun Cai [aut, cre],
  Hong Gu [aut],
  Tobias Kenney [aut]

David Quesada [aut, cre],
  Gabriel Valverde [ctb]

Mohammed Ali [aut, cre],
  Ali Ezzat [aut],
  Hao Zhu [rev],
  Emma Mendelsohn [rev]

Hadley Wickham [aut, cre],
  Maximilian Girlich [aut],
  Edgar Ruiz [aut],
  Posit Software, PBC [cph, fnd]

Alireza Mahani [cre, aut],
  Mansour Sharabiani [aut],
  Alex Bottle [aut],
  Cathy Price [aut]

Michael Hahsler [aut, cre, cph],
  Matthew Piekenbrock [aut, cph],
  Sunil Arya [ctb, cph],
  David Mount [ctb, cph]

Boj, Eva <evaboj@ub.edu>, Caballe, Adria <adria.caballe@irb.barcelona.org>, Delicado, Pedro <pedro.delicado@upc.edu> and Fortiana, Josep <fortiana@ub.edu>.

Robert G Young [aut, cre, cph]
    (<https://orcid.org/0000-0002-6731-2506>)

Taiane Schaedler Prass [aut, cre]
    (<https://orcid.org/0000-0003-3136-909X>),
  Guilherme Pumi [aut] (<https://orcid.org/0000-0002-6256-3170>)

Tomoaki Nakatani [aut, cph] (original developer),
  Hideo Aizaki [aut, cre],
  Kazuo Sato [ctb] (theoretical part of the manual)