基本・推奨パッケージ

基本パッケージ (base packages)

base	The R Base Package
compiler	The R Compiler Package
datasets	The R Datasets Package
graphics	The R Graphics Package
grDevices	The R Graphics Devices and Support for Colours and Fonts
grid	The Grid Graphics Package
methods	Formal Methods and Classes
parallel	Support for Parallel Computation in R
splines	Regression Spline Functions and Classes
stats	The R Stats Package
stats4	Statistical Functions using S4 Classes
tcltk	Tcl/Tk Interface
tools	Tools for Package Development
utils	The R Utils Package

boot	Bootstrap Functions (Originally by Angelo Canty for S)
class	Functions for Classification
cluster	"Finding Groups in Data": Cluster Analysis Extended Rousseeuw et al.
codetools	Code Analysis Tools for R
foreign	Read Data Stored by 'Minitab', 'S', 'SAS', 'SPSS', 'Stata', 'Systat', 'Weka', 'dBase', ...
KernSmooth	Functions for Kernel Smoothing Supporting Wand & Jones (1995)
lattice	Trellis Graphics for R
MASS	Support Functions and Datasets for Venables and Ripley's MASS
Matrix	Sparse and Dense Matrix Classes and Methods
mgcv	Mixed GAM Computation Vehicle with Automatic Smoothness Estimation
nlme	Linear and Nonlinear Mixed Effects Models
nnet	Feed-Forward Neural Networks and Multinomial Log-Linear Models
rpart	Recursive Partitioning and Regression Trees
spatial	Functions for Kriging and Point Pattern Analysis
survival	Survival Analysis