Olivier Gimenez [aut, cre] (<https://orcid.org/0000-0001-7001-5142>),
  Jean-Dominique Lebreton [ctb],
  Remi Choquet [ctb],
  Roger Pradel [ctb]

originally written by Andrew Gelman <gelman@stat.columbia.edu>;
 changes and packaged by Sibylle Sturtz <sturtz@statistik.tu-dortmund.de>
 and Uwe Ligges <ligges@statistik.tu-dortmund.de>.
 With considerable contributions by Gregor Gorjanc <gregor.gorjanc@bfro.uni-lj.si>
 and Jouni Kerman <kerman@stat.columbia.edu>.
 Ported to S-PLUS by Insightful Corp.

Volodymyr Trotsiuk [aut, cre] (<https://orcid.org/0000-0002-8363-656X>),
  Florian Hartig [aut] (<https://orcid.org/0000-0002-6255-9059>),
  David Forrester [aut],
  Ramiro Silveyra Gonzalez [aut]
    (<https://orcid.org/0000-0002-3430-8383>)

Richard Hooijmaijers [aut, cre],
  Richard Hooijmaijers [cph]

Johannes Burkhardt [aut, cre],
  Matthias Bannert [aut]

Colin Tredoux [aut, cre],
  Tamsyn Naylor [aut]

Ian G. Taylor [aut, cre],
  Ian J. Stewart [aut],
  Allan C. Hicks [aut],
  Tommy M. Garrison [aut],
  Andre E. Punt [aut],
  John R. Wallace [aut],
  Chantel R. Wetzel [aut],
  James T. Thorson [aut],
  Yukio Takeuchi [aut],
  Kotaro Ono [aut],
  Cole C. Monnahan [aut],
  Christine C. Stawitz [aut],
  Z. Teresa A'mar [aut],
  Athol R. Whitten [aut],
  Kelli F. Johnson [aut],
  Robbie L. Emmet [aut],
  Sean C. Anderson [aut],
  Gwladys I. Lambert [aut],
  Megan M. Stachura [aut],
  Andrew B. Cooper [aut],
  Andi Stephens [aut],
  Neil L. Klaer [aut],
  Carey R. McGilliard [aut],
  Iago Mosqueira [aut],
  Watal M. Iwasaki [aut],
  Kathryn L. Doering [aut],
  Andrea M. Havron [aut],
  Nathan Vaughan [aut],
  LaTreese S. Denson [aut],
  Ashleigh J. Novak [aut],
  Henning Winker [aut],
  Lee Qi [aut],
  Megumi Oshima [aut],
  Eric Fletcher [aut]

Marcus Saraiva [aut] (<https://orcid.org/0000-0001-6218-2338>),
  Rafael H. M. Pereira [aut, cre]
    (<https://orcid.org/0000-0003-2125-7465>),
  Daniel Herszenhut [aut] (<https://orcid.org/0000-0001-8066-1105>),
  Carlos Kaue Vieira Braga [aut]
    (<https://orcid.org/0000-0002-6104-7297>),
  Matthew Wigginton Bhagat-Conway [aut]
    (<https://orcid.org/0000-0002-1210-2982>),
  Luyu Liu [ctb] (<https://orcid.org/0000-0002-6684-5570>),
  Ipea - Institute for Applied Economic Research [cph, fnd]