Authors:
John Fox [aut]
,
Zhenghua Nie [aut, cre]
,
Jarrett Byrnes [aut]
,
Michael Culbertson [ctb]
,
Saikat DebRoy [ctb]
,
Michael Friendly [ctb]
,
Benjamin Goodrich [ctb]
,
Richard H. Jones [ctb]
,
Adam Kramer [ctb]
,
Georges Monette [ctb]
,
Frederick Novomestky [ctb]
,
R-Core [ctb]