cat(readLines(file.path(R.home("doc"), "KEYWORDS")), sep = "\n")
#> GROUPED Keywords
#> ----------------
#>
#> Graphics
#> aplot & Add to Existing Plot / internal plot
#> dplot & Computations Related to Plotting
#> hplot & High-Level Plots
#> iplot & Interacting with Plots
#> color & Color, Palettes etc
#> dynamic & Dynamic Graphics
#> device & Graphical Devices
#>
#> Basics
#> sysdata & Basic System Variables [!= S]
#> datasets & Datasets available by data(.) [!= S]
#> data & Environments, Scoping, Packages [~= S]
#> manip & Data Manipulation
#> attribute & Data Attributes
#> classes & Data Types (not OO)
#> & character & Character Data ("String") Operations
#> & complex & Complex Numbers
#> & category & Categorical Data
#> & NA & Missing Values [!= S]
#> list & Lists
#> chron & Dates and Times
#> package & Package Summaries
#>
#> Mathematics
#> array & Matrices and Arrays
#> & algebra & Linear Algebra
#> arith & Basic Arithmetic and Sorting [!= S]
#> math & Mathematical Calculus etc. [!= S]
#> logic & Logical Operators
#> optimize & Optimization
#> symbolmath & "Symbolic Math", as polynomials, fractions
#> graphs & Graphs, (not graphics), e.g. dendrograms
#>
#> Programming, Input/Ouput, and Miscellaneous
#>
#> programming & Programming
#> & interface& Interfaces to Other Languages
#> IO & Input/output
#> & file & Files
#> & connection& Connections
#> & database & Interfaces to databases
#> iteration & Looping and Iteration
#> methods & Methods and Generic Functions
#> print & Printing
#> error & Error Handling
#>
#> environment & Session Environment
#> internal & Internal Objects (not part of API)
#> utilities & Utilities
#> misc & Miscellaneous
#> documentation & Documentation
#> debugging & Debugging Tools
#>
#> Statistics
#>
#> datagen & Functions for generating data sets
#> distribution & Probability Distributions and Random Numbers
#> univar & simple univariate statistics [!= S]
#> htest & Statistical Inference
#> models & Statistical Models
#> & regression& Regression
#> & &nonlinear& Non-linear Regression (only?)
#> robust & Robust/Resistant Techniques
#> design & Designed Experiments
#> multivariate & Multivariate Techniques
#> ts & Time Series
#> survival & Survival Analysis
#> nonparametric & Nonparametric Statistics [w/o 'smooth']
#> smooth & Curve (and Surface) Smoothing
#> & loess & Loess Objects
#> cluster & Clustering
#> tree & Regression and Classification Trees
#> survey & Complex survey samples
#>
#>
#> MASS (2, 1997)
#> --------------
#>
#> add the following keywords :
#>
#> classif & Classification ['class' package]
#> spatial & Spatial Statistics ['spatial' package]
#> neural & Neural Networks ['nnet' package]