Yaoxiang Li [aut, ctb, cre] (ORCID:
    <https://orcid.org/0000-0001-9200-1016>),
  CRAN Team [aut],
  Duncan Temple Lang [aut] (ORCID:
    <https://orcid.org/0000-0003-0159-1546>),
  Jonathan Wallace [aut] (aka ninja9578, author of included libjson
    sources)

Carlos Prieto <cprietos@usal.es>,
  David Barrios <metal@usal.es>

Aaron Schumacher, Håkon Malmedal, Måns Magnusson

Mitchell O'Hara-Wild [aut],
  Stephanie Kobakian [aut],
  H. Sherry Zhang [aut],
  Di Cook [aut, cre] (ORCID: <https://orcid.org/0000-0002-3813-7155>),
  Simon Urbanek [aut],
  Christophe Dervieux [aut] (ORCID:
    <https://orcid.org/0000-0003-4474-2498>)

Mateus Maia [aut, cre],
  Xianda Sun [aut],
  Robert Goudie [aut]

Alain Quartier-la-Tente [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-7890-3857>),
  Institut national de la statistique et des études économiques [cph]

Shruti Gupta [aut,cre], Coda Hale and Yammer Inc.[ctb,cph],Sun Microsystems Inc.[ctb,cph],Marc Prud'hommeaux[ctb,cph],Paul Holser[ctb],Junit[ctb,cph],The Apache Software Foundation [ctb,cph],Stefan Groschupf[ctb,cph],Taro L.Saito[ctb],EPFL Typesafe Inc.[ctb,cph],QOS.ch[ctb,cph]

Ingo Feinerer [aut],
  Kurt Hornik [aut, cre]

Kurt Hornik [aut, cre] (ORCID: <https://orcid.org/0000-0003-4198-9911>),
  Eibe Frank [ctb, cph] (KEA Java library),
  Olena Medelyan [ctb, cph] (KEA Java library),
  The Apache Software Foundation [ctb, cph] (Apache Commons Logging and
    Apache Jena Java libraries),
  International Business Machines Corporation and others [ctb, cph]
    (International Components for Unicode for Java (ICU4J)),
  Martin Porter [ctb, cph] (Snowball base),
  Richard Boulton [ctb, cph] (Snowball Java library),
  University of Waikato [ctb, cph] (Weka Java library)

Jose M. Moyano [aut, cre],
  Luciano Sanchez Ramos [aut]

Frederik Van den Broeck [aut],
  Manon Geerts [aut, cre]

Marc Kupietz [aut, cre],
  Nils Diewald [ctb],
  Leibniz Institute for the German Language [cph, fnd]

Dennis D. Boos [aut],
  Douglas Nychka [aut],
  Dennis Boos [cre]