Schmidt D (2017). “Co-Operation: Fast Correlation, Covariance, and Cosine Similarity.” R package version 0.6-1, https://cran.r-project.org/package=coop.

Schmidt D (2016). Introducing coop: Fast Covariance, Correlation, and Cosine Operations. R Vignette, https://cran.r-project.org/package=coop.

Schmidt D (2016). Algorithms and Benchmarks for the coop Package. R Vignette, https://cran.r-project.org/package=coop.

Corresponding BibTeX entries:

  @Misc{coop2016,
    title = {{Co-Operation}: Fast Correlation, Covariance, and Cosine
      Similarity},
    author = {Drew Schmidt},
    year = {2017},
    note = {{R} package version 0.6-1},
    url = {https://cran.r-project.org/package=coop},
  }
  @Manual{coop2016guide,
    title = {Introducing {coop}: Fast Covariance, Correlation, and
      Cosine Operations},
    author = {Drew Schmidt},
    year = {2016},
    note = {{R} Vignette},
    url = {https://cran.r-project.org/package=coop},
  }
  @Manual{coop2016algos,
    title = {Algorithms and Benchmarks for the {coop} Package},
    author = {Drew Schmidt},
    year = {2016},
    note = {{R} Vignette},
    url = {https://cran.r-project.org/package=coop},
  }