R is a language and environment for statistical computing and graphics. It is a GNU project which is similar to the S language and environment which was developed at Bell Laboratories (formerly AT&T, now Lucent Technologies) by John Chambers and colleagues. R can be considered as a different implementation of S. There are some important differences, but much code written for S runs unaltered under R. R provides a wide variety of statistical (linear and nonlinear modelling, classical statistical tests, time-series analysis, classification, clustering, ...) and graphical techniques, and is highly extensible. The S language is often the vehicle of choice for research in statistical methodology, and R provides an Open Source route to participation in that activity.

‒ *Courtesy of R Project*

There are currently 28 groups being archived for R.

360,383 |
R | > r-help (2016) | |

59,979 |
R | > bioconductor (2014) | |

42,822 |
R | > r-devel (2016) | |

24,273 |
R | > r-sig-geo (2016) | |

11,017 |
R | > r-sig-mac (2016) | |

10,803 |
R | > ess-help (2016) | |

10,182 |
R | > r-help-es (2016) | |

9,264 |
R | > bioc-devel (2016) | |

5,341 |
R | > r-sig-ecology (2016) | |

4,377 |
R | > r-sig-phylo (2015) | |

2,572 |
R | > r-sig-debian (2016) | |

2,039 |
R | > r-sig-hpc (2016) | |

1,142 |
R | > r-sig-gui (2016) | |

719 |
R | > rmetrics-core (2016) |

470 |
R | > r-sig-fedora (2016) | |

398 |
R | > r-sig-wiki (2010) | |

352 |
R | > statlist (2016) | |

332 |
R | > r-sig-epi (2016) | |

217 |
R | > ess-debian (2013) | |

169 |
R | > r-sig-gr (2015) | |

101 |
R | > r-sig-insurance (2016) | |

96 |
R | > r-sig-genetics (2016) | |

62 |
R | > r-sig-dcm (2013) | |

26 |
R | > r-sig-mediawiki (2015) | |

21 |
R | > r-sig-networks (2015) | |

20 |
R | > r-sig-qa (2012) | |

15 |
R | > mm-test2 (2015) | |

2 |
R | > mm-test (2016) |

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