base | The R Base Package |

boot | Bootstrap Functions (originally by Angelo Canty for S) |

class | Functions for Classification |

cluster | Cluster Analysis Extended Rousseeuw et al. |

codetools | Code Analysis Tools for R |

compiler | The R Compiler Package |

datasets | The R Datasets Package |

foreign | Read Data Stored by Minitab, S, SAS, SPSS, Stata, Systat, Weka,
dBase, ... |

graphics | The R Graphics Package |

grDevices | The R Graphics Devices and Support for Colours and Fonts |

grid | The Grid Graphics Package |

KernSmooth | Functions for kernel smoothing for Wand & Jones (1995) |

lattice | Lattice Graphics |

MASS | Support Functions and Datasets for Venables and Ripley's MASS |

Matrix | Sparse and Dense Matrix Classes and Methods |

methods | Formal Methods and Classes |

mgcv | Mixed GAM Computation Vehicle with GCV/AIC/REML smoothness
estimation |

nlme | Linear and Nonlinear Mixed Effects Models |

nnet | Feed-forward Neural Networks and Multinomial Log-Linear Models |

parallel | Support for Parallel computation in R |

rpart | Recursive Partitioning and Regression Trees |

spatial | Functions for Kriging and Point Pattern Analysis |

splines | Regression Spline Functions and Classes |

stats | The R Stats Package |

stats4 | Statistical Functions using S4 Classes |

survival | Survival Analysis |

tcltk | Tcl/Tk Interface |

tools | Tools for Package Development |

utils | The R Utils Package |