Schmidt D and Heckendorf C (2017). “ngram: Fast n-Gram Tokenization.” R package version 3.0.4, https://cran.r-project.org/package=ngram.

Schmidt D and Heckendorf C (2017). Guide to the ngram Package: Fast n-gram Tokenization. R Vignette, https://cran.r-project.org/package=ngram.

Corresponding BibTeX entries:

  @Misc{ngrampkg,
    title = {{ngram}: Fast n-Gram Tokenization},
    author = {Drew Schmidt and Christian Heckendorf},
    year = {2017},
    note = {{R} package version 3.0.4},
    url = {https://cran.r-project.org/package=ngram},
  }

  @Manual{ngramguide,
    title = {Guide to the ngram Package: Fast n-gram Tokenization},
    author = {Drew Schmidt and Christian Heckendorf},
    year = {2017},
    note = {{R} Vignette},
    url = {https://cran.r-project.org/package=ngram},
  }