Hongting Chen [aut, cre],
  Liming Liang [aut]

Martha Corrales and Edilberto Cepeda-Cuervo, with the colaboration of Margarita Marin, Maria Fernanda Zarate, Ricardo Duplat and Campo Elias Pardo.

Tung H. Pham [aut],
  Matt P. Wand [aut, cre]

Zhicheng Du, Wangjian Zhang, Yuantao Hao

Alexandra Chouldechova [aut],
  Trevor Hastie [aut, cre],
  Balasubramanian Narasimhan [ctb],
  Vitalie Spinu [ctb],
  Matt Wand [ctb]

Virginia X. He [aut] (ORCID: <https://orcid.org/0000-0002-0238-5018>),
  Matt P. Wand [aut, cre] (ORCID:
    <https://orcid.org/0000-0003-2555-896X>)

Atharv Bhosekar [aut, cre],
  GAMS Development Corp. [cph, fnd],
  GAMS Software GmbH [cph, fnd]

Simon Couch [aut, cre] (ORCID: <https://orcid.org/0000-0001-5676-5107>),
  Posit Software, PBC [cph, fnd]

Zhaoyuan Fang, Weidong Tian and Hongbin Ji

Jing Hua Zhao [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-1463-5870>, 0000-0003-4930-3582),
  Kurt Hornik [ctb],
  Brian Ripley [ctb],
  Uwe Ligges [ctb],
  Achim Zeileis [ctb]

Jing Hua Zhao [aut, cre],
  Swetlana Herbrandt [ctb]

Ian Lundberg [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-1909-2270>)

Jennifer Bryan [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-6983-2759>)

Shu-Yu Lin [aut, cre],
  Chiun-How Kao [aut, ctb],
  Chun-Houh Chen [aut, ctb]

Adriano Zambom [aut, cre],
  Elijah Sagaran [aut]

Kei Nakagawa [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-5046-8128>)

Genaro Sucarrat [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-8433-837X>)

Sanjeev Sariya [aut, cre, cph],
  Giuseppe Tosto [aut, cph]

Jennifer Bryan [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-6983-2759>),
  Craig Citro [aut],
  Hadley Wickham [aut] (ORCID: <https://orcid.org/0000-0003-4757-117X>),
  Google Inc [cph],
  Posit Software, PBC [cph, fnd]

Danny Tholen [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-9517-0939>, affiliation: University of
    Natural Resources and Life Sciences, Vienna)

Roland Fuss [aut, cre] (ORCID: <https://orcid.org/0000-0002-0274-0809>),
  Roman Hueppi [ctb] (ORCID: <https://orcid.org/0000-0001-8815-7835>)