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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z misc
| ! | Logical Operators | 
| != | Relational Operators | 
| $ | Extract or Replace Parts of an Object | 
| %% | Arithmetic Operators | 
| %*% | Matrix Multiplication | 
| %/% | Arithmetic Operators | 
| %in% | Value Matching | 
| %o% | Outer Product of Arrays | 
| %x% | Kronecker products on arrays | 
| & | Logical Operators | 
| && | Logical Operators | 
| ( | Parentheses and Braces | 
| * | Arithmetic Operators | 
| *.difftime | Time Intervals | 
| + | Arithmetic Operators | 
| +.Date | Date Class | 
| +.POSIXt | Date-Time Classes | 
| - | Arithmetic Operators | 
| -.Date | Date Class | 
| -.POSIXt | Date-Time Classes | 
| -> | Assignment Operators | 
| ->> | Assignment Operators | 
| .Autoloaded | Loading and Listing of Packages | 
| .AutoloadEnv | On-demand Loading of Packages | 
| .BaseNamespaceEnv | Environment Access | 
| .C | Foreign Function Interface | 
| .Call | Foreign Function Interface | 
| .Class | Group Generic Functions | 
| .Deprecated | Deprecated Functions | 
| .Device | Lists of Open Graphics Devices | 
| .Devices | Lists of Open Graphics Devices | 
| .dynLibs | Loading Shared Libraries | 
| .External | Foreign Function Interface | 
| .find.package | Loading and Listing of Packages | 
| .First | Initialization at Start of an R Session | 
| .First.lib | Loading and Listing of Packages | 
| .First.sys | Initialization at Start of an R Session | 
| .Fortran | Foreign Function Interface | 
| .Generic | Group Generic Functions | 
| .GlobalEnv | Environment Access | 
| .Group | Group Generic Functions | 
| .handleSimpleError | Condition Handling and Recovery | 
| .Internal | Call an Internal Function | 
| .isMethodsDispatchOn | Class Methods | 
| .Last | Terminate an R Session | 
| .Last.lib | Loading and Listing of Packages | 
| .Last.value | Value of Last Evaluated Expression | 
| .leap.seconds | Date-Time Classes | 
| .libPaths | Loading and Listing of Packages | 
| .Library | Loading and Listing of Packages | 
| .Machine | Numerical Characteristics of the Machine | 
| .Method | Group Generic Functions | 
| .noGenerics | Loading and Listing of Packages | 
| .NotYetImplemented | Not Yet Implemented Functions and Unused Arguments | 
| .NotYetUsed | Not Yet Implemented Functions and Unused Arguments | 
| .onAttach | Hooks for Name Space events | 
| .onLoad | Hooks for Name Space events | 
| .onUnload | Hooks for Name Space events | 
| .Options | Options Settings | 
| .packages | Loading and Listing of Packages | 
| .path.package | Loading and Listing of Packages | 
| .Platform | Platform Specific Variables | 
| .Primitive | Call a ``Primitive'' Internal Function | 
| .primTrace | Interactive Tracing and Debugging of Calls to a Function or Method | 
| .primUntrace | Interactive Tracing and Debugging of Calls to a Function or Method | 
| .Random.seed | Random Number Generation | 
| .Renviron | Initialization at Start of an R Session | 
| .Rprofile | Initialization at Start of an R Session | 
| .Script | Scripting Language Interface | 
| .signalSimpleWarning | Condition Handling and Recovery | 
| .subset | Extract or Replace Parts of an Object | 
| .subset2 | Extract or Replace Parts of an Object | 
| .Traceback | Print Call Stack of Last Error | 
| .userHooksEnv | Functions to Get and Set Hooks for Load, Attach, Detach and Unload | 
| / | Arithmetic Operators | 
| /.difftime | Time Intervals | 
| : | Sequence Generation | 
| :: | Double Colon and Triple Colon Operators | 
| ::: | Double Colon and Triple Colon Operators | 
| < | Relational Operators | 
| <= | Relational Operators | 
| = | Assignment Operators | 
| == | Relational Operators | 
| > | Relational Operators | 
| >= | Relational Operators | 
| @ | Extract Slots | 
| abbreviate | Abbreviate Strings | 
| abs | Miscellaneous Mathematical Functions | 
| acos | Trigonometric Functions | 
| acosh | Hyperbolic Functions | 
| addTaskCallback | Add or remove a top-level task callback | 
| agrep | Approximate String Matching (Fuzzy Matching) | 
| airquality | New York Air Quality Measurements | 
| alist | Lists - Generic and Dotted Pairs | 
| all | Are All Values True? | 
| all.equal | Test if Two Objects are (Nearly) Equal | 
| all.equal.POSIXct | Date-Time Classes | 
| all.names | Find All Names in an Expression | 
| all.vars | Find All Names in an Expression | 
| anscombe | Anscombe's Quartet of ``Identical'' Simple Linear Regressions | 
| any | Are Some Values True? | 
| aperm | Array Transposition | 
| append | Vector Merging | 
| apply | Apply Functions Over Array Margins | 
| approx | Interpolation Functions | 
| approxfun | Interpolation Functions | 
| Arg | Complex Vectors | 
| args | Argument List of a Function | 
| Arith | Group Generic Functions | 
| Arithmetic | Arithmetic Operators | 
| array | Multi-way Arrays | 
| as.array | Multi-way Arrays | 
| as.call | Function Calls | 
| as.character | Character Vectors | 
| as.character.condition | Condition Handling and Recovery | 
| as.character.Date | Date Conversion Functions to and from Character | 
| as.character.default | Character Vectors | 
| as.character.error | Condition Handling and Recovery | 
| as.character.factor | Character Vectors | 
| as.character.octmode | Display Numbers in Octal | 
| as.character.POSIXt | Date-time Conversion Functions to and from Character | 
| as.complex | Complex Vectors | 
| as.data.frame | Coerce to a Data Frame | 
| as.data.frame.Date | Date Class | 
| as.data.frame.default | Coerce to a Data Frame | 
| as.data.frame.factor | Coerce to a Data Frame | 
| as.data.frame.integer | Coerce to a Data Frame | 
| as.data.frame.list | Coerce to a Data Frame | 
| as.data.frame.logical | Coerce to a Data Frame | 
| as.data.frame.matrix | Coerce to a Data Frame | 
| as.data.frame.model.matrix | Coerce to a Data Frame | 
| as.data.frame.numeric | Coerce to a Data Frame | 
| as.data.frame.ordered | Coerce to a Data Frame | 
| as.data.frame.POSIXct | Date-Time Classes | 
| as.data.frame.POSIXlt | Date-Time Classes | 
| as.data.frame.table | Cross Tabulation and Table Creation | 
| as.data.frame.ts | Coerce to a Data Frame | 
| as.data.frame.vector | Coerce to a Data Frame | 
| as.Date | Date Conversion Functions to and from Character | 
| as.difftime | Time Intervals | 
| as.double | Double Precision Vectors | 
| as.environment | Coerce to an Environment Object | 
| as.expression | Unevaluated Expressions | 
| as.factor | Factors | 
| as.function | Convert Object to Function | 
| as.integer | Integer Vectors | 
| as.list | Lists - Generic and Dotted Pairs | 
| as.logical | Logical Vectors | 
| as.matrix | Matrices | 
| as.matrix.noquote | Class for ``no quote'' Printing of Character Strings | 
| as.matrix.POSIXlt | Date-Time Classes | 
| as.name | Variable Names or Symbols, respectively | 
| as.null | The Null Object | 
| as.numeric | Numeric Vectors | 
| as.ordered | Factors | 
| as.pairlist | Lists - Generic and Dotted Pairs | 
| as.POSIXct | Date-time Conversion Functions | 
| as.POSIXlt | Date-time Conversion Functions | 
| as.qr | The QR Decomposition of a Matrix | 
| as.real | Real Vectors | 
| as.single | Double Precision Vectors | 
| as.symbol | Variable Names or Symbols, respectively | 
| as.table | Cross Tabulation and Table Creation | 
| as.vector | Vectors | 
| asin | Trigonometric Functions | 
| asinh | Hyperbolic Functions | 
| AsIs | Inhibit Interpretation/Conversion of Objects | 
| assign | Assign a Value to a Name | 
| atan | Trigonometric Functions | 
| atan2 | Trigonometric Functions | 
| atanh | Hyperbolic Functions | 
| attach | Attach Set of R Objects to Search Path | 
| attenu | The Joyner-Boore Attenuation Data | 
| attitude | The Chatterjee-Price Attitude Data | 
| attr | Object Attributes | 
| attr.all.equal | Test if Two Objects are (Nearly) Equal | 
| attributes | Object Attribute Lists | 
| autoload | On-demand Loading of Packages | 
| autoloader | On-demand Loading of Packages | 
| backsolve | Solve an Upper or Lower Triangular System | 
| basename | Manipulate File Paths | 
| Bessel | Bessel Functions | 
| bessel | Bessel Functions | 
| besselI | Bessel Functions | 
| besselJ | Bessel Functions | 
| besselK | Bessel Functions | 
| besselY | Bessel Functions | 
| beta | Special Functions of Mathematics | 
| body | Access to and Manipulation of the Body of a Function | 
| bquote | Partial substitution in expressions | 
| break | Control Flow | 
| browser | Environment Browser | 
| builtins | Returns the names of all built-in objects | 
| by | Apply a Function to a Data Frame split by Factors | 
| bzfile | Functions to Manipulate Connections | 
| c | Combine Values into a Vector or List | 
| c.Date | Date Class | 
| c.noquote | Class for ``no quote'' Printing of Character Strings | 
| c.POSIXct | Date-Time Classes | 
| c.POSIXlt | Date-Time Classes | 
| call | Function Calls | 
| capabilities | Report Capabilities of this Build of R | 
| cars | Speed and Stopping Distances of Cars | 
| casefold | Character Translation and Casefolding | 
| cat | Concatenate and Print | 
| cbind | Combine R Objects by Rows or Columns | 
| ceiling | Rounding of Numbers | 
| char.expand | Expand a String with Respect to a Target Table | 
| character | Character Vectors | 
| charmatch | Partial String Matching | 
| chartr | Character Translation and Casefolding | 
| chickwts | Chicken Weights by Feed Type | 
| chol | The Choleski Decomposition | 
| chol2inv | Inverse from Choleski Decomposition | 
| choose | Special Functions of Mathematics | 
| chull | Compute Convex Hull of a Set of Points | 
| citation | Citing R in Publications | 
| class | Object Classes | 
| close | Functions to Manipulate Connections | 
| closeAllConnections | Display Connections | 
| cm | Graphical Units | 
| codes-deprecated | Factor Codes | 
| col | Column Indexes | 
| colMeans | Form Row and Column Sums and Means | 
| colnames | Row and Column Names | 
| colSums | Form Row and Column Sums and Means | 
| commandArgs | Extract Command Line Arguments | 
| comment | Query or Set a `Comment' Attribute | 
| Compare | Group Generic Functions | 
| compareVersion | Compare Two Package Version Numbers | 
| Comparison | Relational Operators | 
| Complex | Group Generic Functions | 
| complex | Complex Vectors | 
| computeRestarts | Condition Handling and Recovery | 
| conditionCall | Condition Handling and Recovery | 
| conditionMessage | Condition Handling and Recovery | 
| conflicts | Search for Masked Objects on the Search Path | 
| Conj | Complex Vectors | 
| connection | Functions to Manipulate Connections | 
| connections | Functions to Manipulate Connections | 
| contributors | R Project Contributors | 
| Control | Control Flow | 
| convolve | Fast Convolution | 
| copyright | Copyrights of Files Used to Build R | 
| copyrights | Copyrights of Files Used to Build R | 
| cos | Trigonometric Functions | 
| cosh | Hyperbolic Functions | 
| count.fields | Count the Number of Fields per Line | 
| crossprod | Matrix Crossproduct | 
| cummax | Cumulative Sums, Products, and Extremes | 
| cummin | Cumulative Sums, Products, and Extremes | 
| cumprod | Cumulative Sums, Products, and Extremes | 
| cumsum | Cumulative Sums, Products, and Extremes | 
| cut | Convert Numeric to Factor | 
| cut.Date | Convert a Date or Date-Time Object to a Factor | 
| cut.default | Convert Numeric to Factor | 
| cut.POSIXt | Convert a Date or Date-Time Object to a Factor | 
| data | Data Sets | 
| data.class | Object Classes | 
| data.frame | Data Frames | 
| data.matrix | Data Frame to Numeric Matrix | 
| Date | Date Class | 
| date | System Date and Time | 
| Dates | Date Class | 
| DateTimeClasses | Date-Time Classes | 
| debug | Debug a function | 
| delay | Delay Evaluation | 
| deparse | Expression Deparsing | 
| Deprecated | Deprecated Functions | 
| det | Calculate the Determinant of a Matrix | 
| detach | Detach Objects from the Search Path | 
| determinant | Calculate the Determinant of a Matrix | 
| dget | Write an Internal Object to a File | 
| diag | Matrix Diagonals | 
| diff | Lagged Differences | 
| difftime | Time Intervals | 
| digamma | Special Functions of Mathematics | 
| dim | Dimensions of an Object | 
| dimnames | Dimnames of an Object | 
| dir | List the Files in a Directory/Folder | 
| dir.create | File Manipulation | 
| dirname | Manipulate File Paths | 
| do.call | Execute a Function Call | 
| double | Double Precision Vectors | 
| dput | Write an Internal Object to a File | 
| dQuote | Quote Text | 
| drop | Drop Redundant Extent Information | 
| dump | Text Representations of R Objects | 
| duplicated | Determine Duplicate Elements | 
| dyn.load | Foreign Function Interface | 
| dyn.unload | Foreign Function Interface | 
| eigen | Spectral Decomposition of a Matrix | 
| else | Control Flow | 
| environment | Environment Access | 
| esoph | Smoking, Alcohol and (O)esophageal Cancer | 
| euro | Conversion Rates of Euro Currencies | 
| eurodist | Distances Between European Cities | 
| eval | Evaluate an (Unevaluated) Expression | 
| evalq | Evaluate an (Unevaluated) Expression | 
| exists | Is an Object Defined? | 
| exp | Logarithms and Exponentials | 
| expand.grid | Create a Data Frame from All Combinations of Factors | 
| expm1 | Logarithms and Exponentials | 
| expression | Unevaluated Expressions | 
| Extract | Extract or Replace Parts of an Object | 
| F | Logical Vectors | 
| factor | Factors | 
| factorial | Special Functions of Mathematics | 
| faithful | Old Faithful Geyser Data | 
| FALSE | Logical Vectors | 
| fft | Fast Discrete Fourier Transform | 
| fifo | Functions to Manipulate Connections | 
| file | Functions to Manipulate Connections | 
| file.access | Ascertain File Accessibility | 
| file.append | File Manipulation | 
| file.choose | Choose a File Interactively | 
| file.copy | File Manipulation | 
| file.create | File Manipulation | 
| file.exists | File Manipulation | 
| file.info | Extract File Information | 
| file.path | Construct Path to File | 
| file.remove | File Manipulation | 
| file.rename | File Manipulation | 
| file.show | Display One or More Files | 
| file.symlink | File Manipulation | 
| files | File Manipulation | 
| findInterval | Find Interval Numbers or Indices | 
| findRestart | Condition Handling and Recovery | 
| floor | Rounding of Numbers | 
| flush | Functions to Manipulate Connections | 
| for | Control Flow | 
| force | Force evaluation of an Argument | 
| Foreign | Foreign Function Interface | 
| Formaldehyde | Determination of Formaldehyde | 
| formals | Access to and Manipulation of the Formal Arguments | 
| format | Encode in a Common Format | 
| format.char | Formatting Using C-style Formats | 
| format.data.frame | Encode in a Common Format | 
| format.Date | Date Conversion Functions to and from Character | 
| format.default | Encode in a Common Format | 
| format.factor | Encode in a Common Format | 
| format.info | format(.) Information | 
| format.octmode | Display Numbers in Octal | 
| format.POSIXct | Date-time Conversion Functions to and from Character | 
| format.POSIXlt | Date-time Conversion Functions to and from Character | 
| format.pval | Encode in a Common Format | 
| formatC | Formatting Using C-style Formats | 
| formatDL | Format Description Lists | 
| forwardsolve | Solve an Upper or Lower Triangular System | 
| function | Function Definition | 
| fuzzy matching | Approximate String Matching (Fuzzy Matching) | 
| gamma | Special Functions of Mathematics | 
| gammaCody | Bessel Functions | 
| gc | Garbage Collection | 
| gc.time | Report Time Spent in Garbage Collection | 
| gcinfo | Garbage Collection | 
| gctorture | Torture Garbage Collector | 
| get | Return the Value of a Named Object | 
| getAllConnections | Display Connections | 
| getCConverterDescriptions | Management of .C argument conversion list | 
| getCConverterStatus | Management of .C argument conversion list | 
| getConnection | Display Connections | 
| geterrmessage | Stop Function Execution | 
| getHook | Functions to Get and Set Hooks for Load, Attach, Detach and Unload | 
| getNativeSymbolInfo | Obtain a description of a native (C/Fortran) symbol | 
| getNumCConverters | Management of .C argument conversion list | 
| getOption | Options Settings | 
| getTaskCallbackNames | Query the names of the current internal top-level task callbacks | 
| getwd | Get or Set Working Directory | 
| gl | Generate Factor Levels | 
| globalenv | Environment Access | 
| grep | Pattern Matching and Replacement | 
| group generic | Group Generic Functions | 
| gsub | Pattern Matching and Replacement | 
| gzcon | (De)compress I/O Through Connections | 
| gzfile | Functions to Manipulate Connections | 
| HairEyeColor | Hair and Eye Color of Statistics Students | 
| I | Inhibit Interpretation/Conversion of Objects | 
| identical | Test Objects for Exact Equality | 
| if | Control Flow | 
| ifelse | Conditional Element Selection | 
| Im | Complex Vectors | 
| index.search | Search Indices for Help Files | 
| Inf | Finite, Infinite and NaN Numbers | 
| infert | Infertility after Spontaneous and Induced Abortion | 
| inherits | Object Classes | 
| InsectSprays | Effectiveness of Insect Sprays | 
| integer | Integer Vectors | 
| interaction | Compute Factor Interactions | 
| interactive | Is R Running Interactively? | 
| InternalMethods | Internal Generic Functions | 
| intersect | Set Operations | 
| inverse.rle | Run Length Encoding | 
| invisible | Change the Print Mode to Invisible | 
| invokeRestart | Condition Handling and Recovery | 
| invokeRestartInteractively | Condition Handling and Recovery | 
| iris | Edgar Anderson's Iris Data | 
| iris3 | Edgar Anderson's Iris Data | 
| is.array | Multi-way Arrays | 
| is.atomic | Is an Object Atomic or Recursive? | 
| is.call | Function Calls | 
| is.character | Character Vectors | 
| is.complex | Complex Vectors | 
| is.data.frame | Coerce to a Data Frame | 
| is.double | Double Precision Vectors | 
| is.element | Set Operations | 
| is.environment | Environment Access | 
| is.expression | Unevaluated Expressions | 
| is.factor | Factors | 
| is.finite | Finite, Infinite and NaN Numbers | 
| is.function | Is an Object of Type Function? | 
| is.infinite | Finite, Infinite and NaN Numbers | 
| is.integer | Integer Vectors | 
| is.language | Is an Object a Language Object? | 
| is.list | Lists - Generic and Dotted Pairs | 
| is.loaded | Foreign Function Interface | 
| is.logical | Logical Vectors | 
| is.matrix | Matrices | 
| is.na | Not Available / ``Missing'' Values | 
| is.na.POSIXlt | Date-Time Classes | 
| is.name | Variable Names or Symbols, respectively | 
| is.nan | Finite, Infinite and NaN Numbers | 
| is.null | The Null Object | 
| is.numeric | Numeric Vectors | 
| is.object | Is an Object ``internally classed''? | 
| is.ordered | Factors | 
| is.pairlist | Lists - Generic and Dotted Pairs | 
| is.qr | The QR Decomposition of a Matrix | 
| is.R | Are we using R, rather than S? | 
| is.real | Real Vectors | 
| is.recursive | Is an Object Atomic or Recursive? | 
| is.single | Is an Object of Single Precision Type? | 
| is.symbol | Variable Names or Symbols, respectively | 
| is.table | Cross Tabulation and Table Creation | 
| is.unsorted | Sorting or Ordering Vectors | 
| is.vector | Vectors | 
| isIncomplete | Functions to Manipulate Connections | 
| islands | Areas of the World's Major Landmasses | 
| ISOdate | Date-time Conversion Functions to and from Character | 
| ISOdatetime | Date-time Conversion Functions to and from Character | 
| ISOLatin1 | Functions to Manipulate Connections | 
| isOpen | Functions to Manipulate Connections | 
| isRestart | Condition Handling and Recovery | 
| isSeekable | Functions to Reposition Connections | 
| jitter | Add `Jitter' (Noise) to Numbers | 
| julian | Extract Parts of a POSIXt or Date Object | 
| kappa | Estimate the Condition Number | 
| kronecker | Kronecker products on arrays | 
| La.chol | The Choleski Decomposition | 
| La.chol2inv | Inverse from Choleski Decomposition | 
| La.eigen | Deprecated Functions | 
| La.svd | Singular Value Decomposition of a Matrix | 
| labels | Find Labels from Object | 
| lapply | Apply a Function over a List or Vector | 
| lbeta | Special Functions of Mathematics | 
| lchoose | Special Functions of Mathematics | 
| length | Length of an Object | 
| LETTERS | Built-in Constants | 
| letters | Built-in Constants | 
| levels | Levels Attributes | 
| lfactorial | Special Functions of Mathematics | 
| lgamma | Special Functions of Mathematics | 
| library | Loading and Listing of Packages | 
| library.dynam | Loading Shared Libraries | 
| licence | The R License Terms | 
| license | The R License Terms | 
| LifeCycleSavings | Intercountry Life-Cycle Savings Data | 
| list | Lists - Generic and Dotted Pairs | 
| list.files | List the Files in a Directory/Folder | 
| load | Reload Saved Datasets | 
| loadURL | Reload Saved Datasets | 
| local | Evaluate an (Unevaluated) Expression | 
| localeconv | Find Details of the Numerical Representations in the Current Locale | 
| locales | Query or Set Aspects of the Locale | 
| log | Logarithms and Exponentials | 
| log10 | Logarithms and Exponentials | 
| log1p | Logarithms and Exponentials | 
| log2 | Logarithms and Exponentials | 
| logb | Logarithms and Exponentials | 
| Logic | Logical Operators | 
| logical | Logical Vectors | 
| longley | Longley's Economic Regression Data | 
| lower.tri | Lower and Upper Triangular Part of a Matrix | 
| ls | List Objects | 
| MacRoman | Functions to Manipulate Connections | 
| make.names | Make Syntactically Valid Names | 
| make.unique | Make Character Strings Unique | 
| manglePackageName | Mangle the Package Name | 
| mapply | Apply a function to multiple list or vector arguments | 
| margin.table | Compute table margin | 
| mat.or.vec | Create a Matrix or a Vector | 
| match | Value Matching | 
| match.arg | Argument Verification Using Partial Matching | 
| match.call | Argument Matching | 
| match.fun | Function Verification for ``Function Variables'' | 
| Math | Group Generic Functions | 
| Math.Date | Date Class | 
| Math.difftime | Time Intervals | 
| Math.factor | Group Generic Functions | 
| Math.POSIXlt | Date-Time Classes | 
| Math.POSIXt | Date-Time Classes | 
| Math2 | Group Generic Functions | 
| matmult | Matrix Multiplication | 
| matrix | Matrices | 
| max | Maxima and Minima | 
| max.col | Find Maximum Position in Matrix | 
| mean | Arithmetic Mean | 
| mean.Date | Date Class | 
| mean.default | Arithmetic Mean | 
| mean.difftime | Time Intervals | 
| mean.POSIXct | Date-Time Classes | 
| mean.POSIXlt | Date-Time Classes | 
| mem.limits | Memory Available for Data Storage | 
| Memory | Memory Available for Data Storage | 
| memory.profile | Profile the Usage of Cons Cells | 
| merge | Merge Two Data Frames | 
| mget | Return the Value of a Named Object | 
| min | Maxima and Minima | 
| missing | Does a Formal Argument have a Value? | 
| Mod | Complex Vectors | 
| mode | The (Storage) Mode of an Object | 
| month.abb | Built-in Constants | 
| month.name | Built-in Constants | 
| months | Extract Parts of a POSIXt or Date Object | 
| morley | Michaelson-Morley Speed of Light Data | 
| mtcars | Motor Trend Car Road Tests | 
| mvfft | Fast Discrete Fourier Transform | 
| NA | Not Available / ``Missing'' Values | 
| name | Variable Names or Symbols, respectively | 
| names | The Names Attribute of an Object | 
| NaN | Finite, Infinite and NaN Numbers | 
| nargs | The Number of Arguments to a Function | 
| native.enc | Functions to Manipulate Connections | 
| nchar | Count the Number of Characters | 
| NCOL | The Number of Rows/Columns of an Array | 
| ncol | The Number of Rows/Columns of an Array | 
| new.env | Environment Access | 
| next | Control Flow | 
| NextMethod | Class Methods | 
| nextn | Highly Composite Numbers | 
| nlevels | The Number of Levels of a Factor | 
| noquote | Class for ``no quote'' Printing of Character Strings | 
| NotYetImplemented | Not Yet Implemented Functions and Unused Arguments | 
| NotYetUsed | Not Yet Implemented Functions and Unused Arguments | 
| NROW | The Number of Rows/Columns of an Array | 
| nrow | The Number of Rows/Columns of an Array | 
| NULL | The Null Object | 
| numeric | Numeric Vectors | 
| objects | List Objects | 
| oldClass | Object Classes | 
| on.exit | Function Exit Code | 
| open | Functions to Manipulate Connections | 
| Ops | Group Generic Functions | 
| Ops.Date | Date Class | 
| Ops.difftime | Time Intervals | 
| Ops.factor | Group Generic Functions | 
| Ops.ordered | Group Generic Functions | 
| Ops.POSIXt | Date-Time Classes | 
| options | Options Settings | 
| OrchardSprays | Potency of Orchard Sprays | 
| order | Ordering Permutation | 
| ordered | Factors | 
| outer | Outer Product of Arrays | 
| package.dependencies | Check Package Dependencies | 
| package.description | Deprecated Functions | 
| packageDescription | Package Description | 
| packageEvent | Functions to Get and Set Hooks for Load, Attach, Detach and Unload | 
| pairlist | Lists - Generic and Dotted Pairs | 
| Paren | Parentheses and Braces | 
| parent.env | Environment Access | 
| parent.frame | Functions to Access the Function Call Stack | 
| parse | Parse Expressions | 
| paste | Concatenate Strings | 
| path.expand | Expand File Paths | 
| pentagamma | Deprecated Functions | 
| phones | The World's Telephones | 
| pi | Built-in Constants | 
| pipe | Functions to Manipulate Connections | 
| PlantGrowth | Results from an Experiment on Plant Growth | 
| pmatch | Partial String Matching | 
| pmax | Maxima and Minima | 
| pmin | Maxima and Minima | 
| polyroot | Find Zeros of a Real or Complex Polynomial | 
| pos.to.env | Convert Positions in the Search Path to Environments | 
| POSIXct | Date-Time Classes | 
| POSIXlt | Date-Time Classes | 
| POSIXt | Date-Time Classes | 
| precip | Annual Precipitation in US Cities | 
| pressure | Vapor Pressure of Mercury as a Function of Temperature | 
| pretty | Pretty Breakpoints | 
| prettyNum | Encode in a Common Format | 
| Print Values | |
| print.AsIs | Inhibit Interpretation/Conversion of Objects | 
| print.by | Apply a Function to a Data Frame split by Factors | 
| print.condition | Condition Handling and Recovery | 
| print.connection | Functions to Manipulate Connections | 
| print.data.frame | Printing Data Frames | 
| print.Date | Date Class | 
| print.default | Default Printing | 
| print.difftime | Time Intervals | 
| print.factor | Print Values | 
| print.htest | Print Values | 
| print.libraryIQR | Loading and Listing of Packages | 
| print.listof | Print Values | 
| print.matrix | Default Printing | 
| print.noquote | Class for ``no quote'' Printing of Character Strings | 
| print.octmode | Display Numbers in Octal | 
| print.packageDescription | Package Description | 
| print.packageInfo | Loading and Listing of Packages | 
| print.packageIQR | Data Sets | 
| print.POSIXct | Date-Time Classes | 
| print.POSIXlt | Date-Time Classes | 
| print.restart | Condition Handling and Recovery | 
| print.rle | Run Length Encoding | 
| print.simple.list | Print Values | 
| print.summary.table | Cross Tabulation and Table Creation | 
| print.table | Print Values | 
| prmatrix | Print Matrices, Old-style | 
| proc.time | Running Time of R | 
| prod | Product of Vector Elements | 
| prop.table | Express table entries as fraction of marginal table | 
| psigamma | Special Functions of Mathematics | 
| pushBack | Push Text Back on to a Connection | 
| pushBackLength | Push Text Back on to a Connection | 
| q | Terminate an R Session | 
| qr | The QR Decomposition of a Matrix | 
| qr.Q | Reconstruct the Q, R, or X Matrices from a QR Object | 
| qr.qty | The QR Decomposition of a Matrix | 
| qr.qy | The QR Decomposition of a Matrix | 
| qr.R | Reconstruct the Q, R, or X Matrices from a QR Object | 
| qr.resid | The QR Decomposition of a Matrix | 
| qr.solve | The QR Decomposition of a Matrix | 
| qr.X | Reconstruct the Q, R, or X Matrices from a QR Object | 
| quakes | Locations of Earthquakes off Fiji | 
| quarters | Extract Parts of a POSIXt or Date Object | 
| quit | Terminate an R Session | 
| quote | Substituting and Quoting Expressions | 
| R.home | Return the R Home Directory | 
| R.Version | Version Information | 
| R.version | Version Information | 
| r2dtable | Random 2-way Tables with Given Marginals | 
| Random.user | User-supplied Random Number Generation | 
| randu | Random Numbers from Congruential Generator RANDU | 
| range | Range of Values | 
| rank | Sample Ranks | 
| rbind | Combine R Objects by Rows or Columns | 
| Rd2dvi | Utilities for Processing Rd Files | 
| Rd2txt | Utilities for Processing Rd Files | 
| Rdconv | Utilities for Processing Rd Files | 
| Re | Complex Vectors | 
| read.00Index | Read 00Index-style Files | 
| read.csv | Data Input | 
| read.csv2 | Data Input | 
| read.dcf | Read and Write Data in DCF Format | 
| read.delim | Data Input | 
| read.delim2 | Data Input | 
| read.table | Data Input | 
| readBin | Transfer Binary Data To and From Connections | 
| readChar | Transfer Binary Data To and From Connections | 
| readline | Read a Line from the Terminal | 
| readLines | Read Text Lines from a Connection | 
| real | Real Vectors | 
| Recall | Recursive Calling | 
| reg.finalizer | Finalization of objects | 
| regex | Regular Expressions as used in R | 
| regexp | Regular Expressions as used in R | 
| regexpr | Pattern Matching and Replacement | 
| regular expression | Regular Expressions as used in R | 
| remove | Remove Objects from a Specified Environment | 
| removeCConverter | Management of .C argument conversion list | 
| removeTaskCallback | Add or remove a top-level task callback | 
| Renviron.site | Initialization at Start of an R Session | 
| rep | Replicate Elements of Vectors and Lists | 
| repeat | Control Flow | 
| replace | Replace Values in a Vector | 
| replicate | Apply a Function over a List or Vector | 
| require | Loading and Listing of Packages | 
| restartDescription | Condition Handling and Recovery | 
| restartFormals | Condition Handling and Recovery | 
| return | Function Definition | 
| rev | Reverse Elements | 
| rivers | Lengths of Major North American Rivers | 
| rle | Run Length Encoding | 
| rm | Remove Objects from a Specified Environment | 
| RNG | Random Number Generation | 
| RNGkind | Random Number Generation | 
| RNGversion | Random Number Generation | 
| round | Rounding of Numbers | 
| round.Date | Round / Truncate Data-Time Objects | 
| round.difftime | Time Intervals | 
| round.POSIXt | Round / Truncate Data-Time Objects | 
| row | Row Indexes | 
| row.names | Get and Set Row Names for Data Frames | 
| rowMeans | Form Row and Column Sums and Means | 
| rownames | Row and Column Names | 
| rowsum | Give row sums of a matrix or data frame, based on a grouping variable | 
| rowSums | Form Row and Column Sums and Means | 
| Rprofile | Initialization at Start of an R Session | 
| R_LIBS | Loading and Listing of Packages | 
| S3Methods | Class Methods | 
| sample | Random Samples and Permutations | 
| sapply | Apply a Function over a List or Vector | 
| save | Save R Objects | 
| scale | Scaling and Centering of Matrix-like Objects | 
| scan | Read Data Values | 
| Sd2Rd | Utilities for Processing Rd Files | 
| search | Give Search Path for R Objects | 
| searchpaths | Give Search Path for R Objects | 
| seek | Functions to Reposition Connections | 
| seq | Sequence Generation | 
| seq.Date | Generate Regular Sequences of Dates | 
| seq.default | Sequence Generation | 
| seq.POSIXt | Generate Regular Sequences of Dates | 
| sequence | Create A Vector of Sequences | 
| set.seed | Random Number Generation | 
| setCConverterStatus | Management of .C argument conversion list | 
| setdiff | Set Operations | 
| setequal | Set Operations | 
| setHook | Functions to Get and Set Hooks for Load, Attach, Detach and Unload | 
| setwd | Get or Set Working Directory | 
| showConnections | Display Connections | 
| sign | Sign Function | 
| signalCondition | Condition Handling and Recovery | 
| Signals | Interrupting Execution of R | 
| signif | Rounding of Numbers | 
| simpleCondition | Condition Handling and Recovery | 
| simpleError | Condition Handling and Recovery | 
| simpleWarning | Condition Handling and Recovery | 
| sin | Trigonometric Functions | 
| single | Double Precision Vectors | 
| sinh | Hyperbolic Functions | 
| sink | Send R Output to a File | 
| sleep | Student's Sleep Data | 
| slice.index | Slice Indexes in an Array | 
| socketConnection | Functions to Manipulate Connections | 
| socketSelect | Wait on Socket Connections | 
| solve | Solve a System of Equations | 
| solve.qr | The QR Decomposition of a Matrix | 
| sort | Sorting or Ordering Vectors | 
| sort.list | Ordering Permutation | 
| source | Read R Code from a File or a Connection | 
| Special | Special Functions of Mathematics | 
| split | Divide into Groups | 
| sprintf | Use C-style String Formatting Commands | 
| sqrt | Miscellaneous Mathematical Functions | 
| sQuote | Quote Text | 
| stack | Stack or Unstack Vectors from a Data Frame or List | 
| stack.loss | Brownlee's Stack Loss Plant Data | 
| stack.x | Brownlee's Stack Loss Plant Data | 
| stackloss | Brownlee's Stack Loss Plant Data | 
| Startup | Initialization at Start of an R Session | 
| state | US State Facts and Figures | 
| stderr | Display Connections | 
| stdin | Display Connections | 
| stdout | Display Connections | 
| stop | Stop Function Execution | 
| stopifnot | Ensure the `Truth' of R Expressions | 
| storage.mode | The (Storage) Mode of an Object | 
| str.POSIXt | Date-Time Classes | 
| strftime | Date-time Conversion Functions to and from Character | 
| strptime | Date-time Conversion Functions to and from Character | 
| strsplit | Split the Elements of a Character Vector | 
| structure | Attribute Specification | 
| strwrap | Wrap Character Strings to Format Paragraphs | 
| sub | Pattern Matching and Replacement | 
| Subscript | Extract or Replace Parts of an Object | 
| subset | Subsetting Vectors and Data Frames | 
| substitute | Substituting and Quoting Expressions | 
| substr | Substrings of a Character Vector | 
| substring | Substrings of a Character Vector | 
| sum | Sum of Vector Elements | 
| Summary | Group Generic Functions | 
| summary | Object Summaries | 
| summary.connection | Functions to Manipulate Connections | 
| Summary.data.frame | Group Generic Functions | 
| summary.data.frame | Object Summaries | 
| Summary.Date | Date Class | 
| summary.Date | Date Class | 
| summary.default | Object Summaries | 
| Summary.difftime | Time Intervals | 
| Summary.factor | Group Generic Functions | 
| summary.factor | Object Summaries | 
| summary.matrix | Object Summaries | 
| Summary.POSIXct | Date-Time Classes | 
| summary.POSIXct | Date-Time Classes | 
| Summary.POSIXlt | Date-Time Classes | 
| summary.POSIXlt | Date-Time Classes | 
| summary.table | Cross Tabulation and Table Creation | 
| suppressWarnings | Warning Messages | 
| svd | Singular Value Decomposition of a Matrix | 
| sweep | Sweep out Array Summaries | 
| swiss | Swiss Fertility and Socioeconomic Indicators (1888) Data | 
| switch | Select One of a List of Alternatives | 
| symbol.C | Foreign Function Interface | 
| symbol.For | Foreign Function Interface | 
| Syntax | Operator Syntax | 
| sys.call | Functions to Access the Function Call Stack | 
| sys.calls | Functions to Access the Function Call Stack | 
| Sys.Date | Get Current Date, Time and Timezone | 
| sys.frame | Functions to Access the Function Call Stack | 
| sys.frames | Functions to Access the Function Call Stack | 
| sys.function | Functions to Access the Function Call Stack | 
| Sys.getenv | Get Environment Variables | 
| Sys.getlocale | Query or Set Aspects of the Locale | 
| Sys.getpid | Get the Process ID of the R Session | 
| Sys.info | Extract System and User Information | 
| sys.load.image | Save R Objects | 
| Sys.localeconv | Find Details of the Numerical Representations in the Current Locale | 
| sys.nframe | Functions to Access the Function Call Stack | 
| sys.on.exit | Functions to Access the Function Call Stack | 
| sys.parent | Functions to Access the Function Call Stack | 
| sys.parents | Functions to Access the Function Call Stack | 
| Sys.putenv | Set Environment Variables | 
| sys.save.image | Save R Objects | 
| Sys.setlocale | Query or Set Aspects of the Locale | 
| Sys.sleep | Suspend Execution for a Time Interval | 
| sys.source | Parse and Evaluate Expressions from a File | 
| sys.status | Functions to Access the Function Call Stack | 
| Sys.time | Get Current Date, Time and Timezone | 
| Sys.timezone | Get Current Date, Time and Timezone | 
| system | Invoke a System Command | 
| system.file | Find Names of R System Files | 
| system.time | CPU Time Used | 
| T | Logical Vectors | 
| t | Matrix Transpose | 
| table | Cross Tabulation and Table Creation | 
| tabulate | Tabulation for Vectors | 
| tan | Trigonometric Functions | 
| tanh | Hyperbolic Functions | 
| tapply | Apply a Function Over a ``Ragged'' Array | 
| taskCallbackManager | Create an R-level task callback manager | 
| tempdir | Create Names for Temporary Files | 
| tempfile | Create Names for Temporary Files | 
| tetragamma | Deprecated Functions | 
| textConnection | Text Connections | 
| tilde | Tilde Operator | 
| Titanic | Survival of passengers on the Titanic | 
| tolower | Character Translation and Casefolding | 
| ToothGrowth | The Effect of Vitamin C on Tooth Growth in Guinea Pigs | 
| topenv | Top Level Environment | 
| toString | toString Converts its Argument to a Character String | 
| toupper | Character Translation and Casefolding | 
| trace | Interactive Tracing and Debugging of Calls to a Function or Method | 
| traceback | Print Call Stack of Last Error | 
| tracingState | Interactive Tracing and Debugging of Calls to a Function or Method | 
| transform | Transform an Object, for Example a Data Frame | 
| trees | Girth, Height and Volume for Black Cherry Trees | 
| Trig | Trigonometric Functions | 
| trigamma | Special Functions of Mathematics | 
| TRUE | Logical Vectors | 
| trunc | Rounding of Numbers | 
| trunc.Date | Round / Truncate Data-Time Objects | 
| trunc.POSIXt | Round / Truncate Data-Time Objects | 
| truncate | Functions to Reposition Connections | 
| try | Try an Expression Allowing Error Recovery | 
| tryCatch | Condition Handling and Recovery | 
| type.convert | Type Conversion on Character Variables | 
| typeof | The Type of an Object | 
| UCBAdmissions | Student Admissions at UC Berkeley | 
| unclass | Object Classes | 
| undebug | Debug a function | 
| union | Set Operations | 
| unique | Extract Unique Elements | 
| unix | Invoke a System Command | 
| unix.time | CPU Time Used | 
| unlink | Delete Files and Directories | 
| unlist | Flatten Lists | 
| unname | Remove `names' or `dimnames' | 
| unsplit | Divide into Groups | 
| unstack | Stack or Unstack Vectors from a Data Frame or List | 
| untrace | Interactive Tracing and Debugging of Calls to a Function or Method | 
| unz | Functions to Manipulate Connections | 
| upper.tri | Lower and Upper Triangular Part of a Matrix | 
| url | Functions to Manipulate Connections | 
| USArrests | Violent Crime Rates by US State | 
| UseMethod | Class Methods | 
| USJudgeRatings | Lawyers' Ratings of State Judges in the US Superior Court | 
| USPersonalExpenditure | Personal Expenditure Data | 
| VADeaths | Death Rates in Virginia (1940) | 
| vector | Vectors | 
| version | Version Information | 
| volcano | Topographic Information on Auckland's Maunga Whau Volcano | 
| warning | Warning Messages | 
| warnings | Print Warning Messages | 
| warpbreaks | The Number of Breaks in Yarn during Weaving | 
| weekdays | Extract Parts of a POSIXt or Date Object | 
| which | Which indices are TRUE? | 
| which.max | Where is the Min() or Max() ? | 
| which.min | Where is the Min() or Max() ? | 
| while | Control Flow | 
| WinAnsi | Functions to Manipulate Connections | 
| with | Evaluate an Expression in a Data Environment | 
| withCallingHandlers | Condition Handling and Recovery | 
| withRestarts | Condition Handling and Recovery | 
| women | Average Heights and Weights for American Women | 
| write | Write Data to a File | 
| write.dcf | Read and Write Data in DCF Format | 
| write.table | Data Output | 
| writeBin | Transfer Binary Data To and From Connections | 
| writeChar | Transfer Binary Data To and From Connections | 
| writeLines | Write Lines to a Connection | 
| xinch | Graphical Units | 
| xor | Logical Operators | 
| xyinch | Graphical Units | 
| yinch | Graphical Units | 
| zapsmall | Rounding of Numbers | 
| zip.file.extract | Extract File from a Zip Archive | 
| [ | Extract or Replace Parts of an Object | 
| [.AsIs | Inhibit Interpretation/Conversion of Objects | 
| [.data.frame | Extract or Replace Parts of a Data Frame | 
| [.Date | Date Class | 
| [.difftime | Time Intervals | 
| [.factor | Extract or Replace Parts of a Factor | 
| [.noquote | Class for ``no quote'' Printing of Character Strings | 
| [.octmode | Display Numbers in Octal | 
| [.POSIXct | Date-Time Classes | 
| [.POSIXlt | Date-Time Classes | 
| [[ | Extract or Replace Parts of an Object | 
| [[.data.frame | Extract or Replace Parts of a Data Frame | 
| [[.Date | Date Class | 
| [[.POSIXct | Date-Time Classes | 
| ^ | Arithmetic Operators | 
| { | Parentheses and Braces | 
| | | Logical Operators | 
| || | Logical Operators | 
| ~ | Tilde Operator |