David Pleydell [aut, cre, cph] (Package developer, ORCID:
    <https://orcid.org/0000-0002-6450-1475>),
  Daniel Turek [cph] (Member of the NIMBLE Developent Team),
  Perry de Valpine [cph] (Member of the NIMBLE Developent Team),
  Christopher Paciorek [cph] (Member of the NIMBLE Developent Team),
  Nick Michaud [cph] (Member of the NIMBLE Developent Team)

Enrico Crema [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-6727-5138>),
  Robert Di Napoli [ctb] (ORCID: <https://orcid.org/0000-0003-2180-2195>)

Benjamin R. Goldstein [aut, cre],
  Daniel Turek [aut],
  Lauren Ponisio [aut],
  Wei Zhang [ctb],
  Perry de Valpine [aut]

Daniel Turek [aut, cre],
  Perry de Valpine [aut],
  Christopher Paciorek [aut]

Ken Kellner [cre, aut],
  Perry de Valpine [aut],
  Christopher Paciorek [aut],
  Daniel Turek [aut]

David Pleydell [aut, cre, cph] (Package developer, <https://orcid.org/0000-0002-6450-1475>)

Paul van Dam-Bates [aut],
  Perry de Valpine [aut],
  Wei Zhang [aut],
  Christopher Paciorek [aut, cre],
  Daniel Turek [aut]

Richard Bischof [aut],
  Daniel Turek [aut, cre],
  Cyril Milleret [aut],
  Torbjørn Ergon [aut],
  Pierre Dupont [aut],
  Soumen Dey [aut],
  Wei Zhang [aut],
  Perry de Valpine [aut]

Nick Michaud [aut],
  Perry de Valpine [aut],
  Christopher Paciorek [aut, cre],
  Daniel Turek [aut],
  Benjamin R. Goldstein [ctb] (packaging contributions),
  Dao Nguyen [ctb] (contributions to the IF2 code),
  The Regents of the University of California [cph]

Aritra Halder [aut, cre],
  Sudipto Banerjee [aut]

Mark Myatt [aut] (ORCID: <https://orcid.org/0000-0003-1119-1474>),
  Ernest Guevarra [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-4887-4415>)

Yikai Wang [Emory University], Xiao Wang [ICF]

original from National Institutes for Standards and Technology
        (NIST) http://www.itl.nist.gov/div898/strd/nls/nls_main.shtml R
        port by Douglas Bates <bates@stat.wisc.edu>

Troy D. Hill, Nathalie R. Sommer, Caroline R. Kanaskie, Emily A. Santos, and Autumn J. Oczkowski