| 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] |
