Nan Xiao [aut, cre] (ORCID: <https://orcid.org/0000-0002-0250-5673>),
  Yilong Zhang [aut],
  Keaven Anderson [aut],
  Amin Shirazi [ctb],
  Jeff Cheng [ctb],
  Danfeng Fu [ctb],
  Merck & Co., Inc., Rahway, NJ, USA and its affiliates [cph]

Hadley Wickham [aut],
  Winston Chang [aut],
  Jim Hester [aut],
  Lionel Henry [aut, cre],
  Posit Software, PBC [cph, fnd],
  R Core team [ctb] (Some namespace and vignette code extracted from base
    R)

Brian Burns [aut, cre],
  James Lamb [aut],
  Jay Qi [aut]

Gábor Csárdi [aut, cre],
  Maëlle Salmon [aut] (ORCID: <https://orcid.org/0000-0002-2815-0399>),
  R Consortium [fnd]

Meta-Lina Spohn [aut, cre],
  Loris Michel [aut],
  Jeffrey Naef [aut]

Bill Denney [aut, cre] (ORCID: <https://orcid.org/0000-0002-5759-428X>),
  Clare Buckeridge [aut],
  Gerardo Jose Rodriguez [aut] (ORCID:
    <https://orcid.org/0000-0003-1413-0060>),
  Sridhar Duvvuri [ctb]

Najla Alabdulkarim [aut, cre],
  Joseph F Standing [aut]

Ron Keizer [aut, cre],
  Jasmine Hughes [aut],
  Dominic Tong [aut],
  Kara Woo [aut],
  Jordan Brooks [aut],
  InsightRX [cph, fnd]

Florian Wickelmaier [aut, cre],
  Juergen Heller [aut],
  Julian Mollenhauer [aut],
  Pasquale Anselmi [ctb],
  Debora de Chiusole [ctb],
  Andrea Brancaccio [ctb],
  Luca Stefanutti [ctb]

Nan-Hung Hsieh [aut, cre] (ORCID:
    <https://orcid.org/0000-0003-0163-2766>),
  Brad Reisfeld [ctb] (ORCID: <https://orcid.org/0000-0003-1310-1495>),
  Weihsueh A. Chiu [ctb] (ORCID: <https://orcid.org/0000-0002-7575-2368>)

Cory McCartan [aut, cre],
  Christopher T. Kenny [aut]

Davi Castro-Tavares [cre, aut],
  Esteban Acevedo-Trejos [aut],
  Jailson F. Moura [aut]

Heather Turner [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-1256-3375>),
  Ioannis Kosmidis [aut] (ORCID: <https://orcid.org/0000-0003-1556-0302>),
  David Firth [aut] (ORCID: <https://orcid.org/0000-0003-0302-2312>),
  Jacob van Etten [ctb] (ORCID: <https://orcid.org/0000-0001-7554-2558>)

Tim Appelhans [cre, aut],
  Stefan Woellauer [aut]

Dan Kelley <Dan.Kelley@Dal.Ca> [aut,cre],
  Frank Schmitt <frankschmitt@gmx.de> [aut]