Originally written for S-Plus by: Kjell Konis
        <kkonis@insightful.com> and Marco Riani <mriani@unipr.it>
        Ported to R by Luca Scrucca <luca@stat.unipg.it>
        Ken Beath <ken@kjbeath.com.au>

Heather Turner [aut, cre],
  Oliver Keyes [aut]

Joe Flannery-Sutherland [aut, cre]
    (<https://orcid.org/0000-0001-8232-6773>),
  Nussaïbah Raja-Schoob [aut, ctb],
  Ádam Kocsis [aut, ctb],
  Wolfgang Kiessling [aut]

Rachel Warnock [aut, cph],
  Joelle Barido-Sottani [aut, cre, cph],
  Walker Pett [aut, cph],
  O'Reilly Joseph [aut, cph]

Titouan Chambe [aut],
  Joelle Barido-Sottani [aut, cre, cph],
  Rachel Warnock [aut, cph]

Koen Hufkens [aut, cre] (<https://orcid.org/0000-0002-5070-8109>),
  Jonathan V. Solorzano [ctb],
  BlueGreen Labs [cph, fnd]

Alexandre Guinaudeau [aut, cre],
  Palantir Technologies [aut, cph]

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

Salvatore D. Tomarchio [aut, cre],
  Antonio Punzo [aut],
  Antonello Maruotti [aut]

Salil Koner [aut, cre, cph] (<https://orcid.org/0000-0003-1952-4210>),
  Sheng Luo [ctb, fnd]

Nicolás Hernández [aut, cre],
  Jairo Cugliari [aut, cre],
  Julien Jacques [aut]

Guangbao Guo [aut, cre, cph],
  Jiarui Li [ctb]

Alex M Chubaty [aut, cre] (<https://orcid.org/0000-0001-7146-8135>),
  Her Majesty the Queen in Right of Canada, as represented by the
    Minister of Natural Resources Canada [cph]

Cristina Tortora [aut, cre, cph], Noe Vidales [aut], Francesco Palumbo [aut], Tina Kalra [aut], and Paul D. McNicholas [fnd]

Federico Marotta [aut, cre] (<https://orcid.org/0000-0002-0174-3901>)

Guillem Rigaill [aut, cre],
  Toby Hocking [aut],
  Robert Maidstone [aut],
  Michel Koskas [ctb],
  Paul Fearnhead [aut]

Diethelm Wuertz [aut],
  Tobias Setz [aut],
  Yohan Chalabi [aut],
  William Chen [ctb],
  Stefan Theussl [aut, cre]

Rob Hyndman [aut, cre, cph],
  RStudio [cph]

Rob Hyndman [aut, cre, cph] (<https://orcid.org/0000-0002-2140-5352>),
  George Athanasopoulos [ctb],
  Mitchell O'Hara-Wild [ctb],
  Nuwani Palihawadana [ctb],
  Shanika Wickramasuriya [ctb],
  RStudio [cph]