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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 Z misc
| base-package | The R Base Package | 
| abbreviate | Abbreviate Strings | 
| abs | Miscellaneous Mathematical Functions | 
| acos | Trigonometric Functions | 
| acosh | Hyperbolic Functions | 
| addNA | Factors | 
| addTaskCallback | Add or Remove a Top-Level Task Callback | 
| agrep | Approximate String Matching (Fuzzy Matching) | 
| agrepl | Approximate String Matching (Fuzzy Matching) | 
| alist | Lists - Generic and Dotted Pairs | 
| all | Are All Values True? | 
| all.equal | Test if Two Objects are (Nearly) Equal | 
| all.names | Find All Names in an Expression | 
| all.vars | Find All Names in an Expression | 
| any | Are Some Values True? | 
| anyDuplicated | Determine Duplicate Elements | 
| anyMissing | 'Not Available' / Missing Values | 
| anyNA | 'Not Available' / Missing Values | 
| anyNA.numeric_version | Numeric Versions | 
| anyNA.POSIXlt | Date-Time Classes | 
| aperm | Array Transposition | 
| append | Vector Merging | 
| apply | Apply Functions Over Array Margins | 
| Arg | Complex Vectors | 
| args | Argument List of a Function | 
| Arithmetic | Arithmetic Operators | 
| array | Multi-way Arrays | 
| arrayInd | Which indices are TRUE? | 
| 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.hexmode | Display Numbers in Hexadecimal | 
| as.character.numeric_version | Numeric Versions | 
| as.character.octmode | Display Numbers in Octal | 
| as.character.POSIXt | Date-time Conversion Functions to and from Character | 
| as.character.srcref | References to source files | 
| as.complex | Complex Vectors | 
| as.data.frame | Coerce to a Data Frame | 
| as.data.frame.AsIs | Coerce to a Data Frame | 
| as.data.frame.Date | Date Class | 
| as.data.frame.numeric_version | Numeric Versions | 
| as.data.frame.POSIXct | Date-Time Classes | 
| as.data.frame.table | Cross Tabulation and Table Creation | 
| as.Date | Date Conversion Functions to and from Character | 
| as.difftime | Time Intervals | 
| as.double | Double-Precision Vectors | 
| as.double.difftime | Time Intervals | 
| as.double.POSIXlt | Date-time Conversion Functions | 
| as.environment | Coerce to an Environment Object | 
| as.expression | Unevaluated Expressions | 
| as.factor | Factors | 
| as.function | Convert Object to Function | 
| as.hexmode | Display Numbers in Hexadecimal | 
| as.integer | Integer Vectors | 
| as.list | Lists - Generic and Dotted Pairs | 
| as.list.Date | Date Class | 
| as.list.numeric_version | Numeric Versions | 
| as.list.POSIXct | Date-Time Classes | 
| 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 | Names and Symbols | 
| as.null | The Null Object | 
| as.numeric | Numeric Vectors | 
| as.numeric_version | Numeric Versions | 
| as.octmode | Display Numbers in Octal | 
| as.ordered | Factors | 
| as.package_version | Numeric Versions | 
| 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.raw | Raw Vectors | 
| as.single | Double-Precision Vectors | 
| as.symbol | Names and Symbols | 
| as.table | Cross Tabulation and Table Creation | 
| as.vector | Vectors | 
| asin | Trigonometric Functions | 
| asinh | Hyperbolic Functions | 
| AsIs | Inhibit Interpretation/Conversion of Objects | 
| asS3 | Test for an S4 object | 
| asS4 | Test for an S4 object | 
| assign | Assign a Value to a Name | 
| assignOps | Assignment Operators | 
| atan | Trigonometric Functions | 
| atan2 | Trigonometric Functions | 
| atanh | Hyperbolic Functions | 
| atomic | Vectors | 
| attach | Attach Set of R Objects to Search Path | 
| attachNamespace | Loading and Unloading Name Spaces | 
| 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 | 
| Autoloads | On-demand Loading of Packages | 
| backquote | Quotes | 
| backsolve | Solve an Upper or Lower Triangular System | 
| backtick | Quotes | 
| base | The R Base Package | 
| baseenv | Environment Access | 
| 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 | 
| bindenv | Binding and Environment Locking, Active Bindings | 
| bindingIsActive | Binding and Environment Locking, Active Bindings | 
| bindingIsLocked | Binding and Environment Locking, Active Bindings | 
| bindtextdomain | Translate Text Messages | 
| bitwAnd | Bitwise Logical Operations | 
| bitwNot | Bitwise Logical Operations | 
| bitwOr | Bitwise Logical Operations | 
| bitwShiftL | Bitwise Logical Operations | 
| bitwShiftR | Bitwise Logical Operations | 
| bitwXor | Bitwise Logical Operations | 
| body | Access to and Manipulation of the Body of a Function | 
| bquote | Partial substitution in expressions | 
| break | Control Flow | 
| browser | Environment Browser | 
| browserCondition | Functions to Retrieve Values Supplied by Calls to the Browser | 
| browserSetDebug | Functions to Retrieve Values Supplied by Calls to the Browser | 
| browserText | Functions to Retrieve Values Supplied by Calls to the 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.numeric_version | Numeric Versions | 
| c.POSIXct | Date-Time Classes | 
| c.warnings | Print Warning Messages | 
| call | Function Calls | 
| callCC | Call With Current Continuation | 
| capabilities | Report Capabilities of this Build of R | 
| casefold | Character Translation and Casefolding | 
| cat | Concatenate and Print | 
| cbind | Combine R Objects by Rows or Columns | 
| cbind.data.frame | 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 | 
| charToRaw | Convert to or from Raw Vectors | 
| chartr | Character Translation and Casefolding | 
| check_tzones | Date-Time Classes | 
| chol | The Choleski Decomposition | 
| chol2inv | Inverse from Choleski (or QR) Decomposition | 
| choose | Special Functions of Mathematics | 
| class | Object Classes | 
| clearPushBack | Push Text Back on to a Connection | 
| clipboard | Functions to Manipulate Connections | 
| close | Functions to Manipulate Connections | 
| close.srcfile | References to source files | 
| close.srcfilealias | References to source files | 
| closeAllConnections | Display Connections | 
| closure | Function Definition | 
| code point | Convert to or from UTF-8-encoded Character Vectors | 
| col | Column Indexes | 
| collation | Relational Operators | 
| colMeans | Form Row and Column Sums and Means | 
| colnames | Row and Column Names | 
| colon | Colon Operator | 
| colSums | Form Row and Column Sums and Means | 
| commandArgs | Extract Command Line Arguments | 
| comment | Query or Set a '"comment"' Attribute | 
| Comparison | Relational Operators | 
| Complex | S3 Group Generic Functions | 
| complex | Complex Vectors | 
| computeRestarts | Condition Handling and Recovery | 
| condition | Condition Handling and Recovery | 
| conditionCall | Condition Handling and Recovery | 
| conditionCall.condition | Condition Handling and Recovery | 
| conditionMessage | Condition Handling and Recovery | 
| conditionMessage.condition | Condition Handling and Recovery | 
| conditions | 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 | 
| Constants | Built-in Constants | 
| contributors | R Project Contributors | 
| Control | Control Flow | 
| copyright | Copyrights of Files Used to Build R | 
| copyrights | Copyrights of Files Used to Build R | 
| cos | Trigonometric Functions | 
| cosh | Hyperbolic Functions | 
| cospi | Trigonometric Functions | 
| crossprod | Matrix Crossproduct | 
| Cstack_info | Report Information on C Stack Size and Usage | 
| 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.POSIXt | Convert a Date or Date-Time Object to a Factor | 
| data.class | Object Classes | 
| data.frame | Data Frames | 
| data.matrix | Convert a Data Frame to a Numeric Matrix | 
| Date | Date Class | 
| date | System Date and Time | 
| date-time | Date-Time Classes | 
| Dates | Date Class | 
| DateTimeClasses | Date-Time Classes | 
| debug | Debug a Function | 
| debugonce | Debug a Function | 
| default.stringsAsFactors | Data Frames | 
| Defunct | Marking Objects as Defunct | 
| defunct | Marking Objects as Defunct | 
| delayedAssign | Delay Evaluation | 
| deparse | Expression Deparsing | 
| Deprecated | Marking Objects as Deprecated | 
| deprecated | Marking Objects as Deprecated | 
| det | Calculate the Determinant of a Matrix | 
| detach | Detach Objects from the Search Path | 
| determinant | Calculate the Determinant of a Matrix | 
| dget | Write an Object to a File or Recreate it | 
| 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 | Manipulaton of Directories and File Permissions | 
| dirname | Manipulate File Paths | 
| DISPLAY | Environment Variables | 
| DLLInfo | Get DLLs Loaded in Current Session | 
| DLLInfoList | Get DLLs Loaded in Current Session | 
| do.call | Execute a Function Call | 
| dontCheck | Identity Function to Suppress Checking | 
| double | Double-Precision Vectors | 
| dput | Write an Object to a File or Recreate it | 
| dQuote | Quote Text | 
| drop | Drop Redundant Extent Information | 
| droplevels | droplevels | 
| dump | Text Representations of R Objects | 
| duplicated | Determine Duplicate Elements | 
| duplicated.numeric_version | Numeric Versions | 
| duplicated.POSIXlt | Date-Time Classes | 
| dyn.load | Foreign Function Interface | 
| dyn.unload | Foreign Function Interface | 
| eapply | Apply a Function Over Values in an Environment | 
| EDITOR | Environment Variables | 
| eigen | Spectral Decomposition of a Matrix | 
| else | Control Flow | 
| emptyenv | Environment Access | 
| enc2native | Read or Set the Declared Encodings for a Character Vector | 
| enc2utf8 | Read or Set the Declared Encodings for a Character Vector | 
| enclosure | Environment Access | 
| encodeString | Encode Character Vector as for Printing | 
| Encoding | Read or Set the Declared Encodings for a Character Vector | 
| enquote | Substituting and Quoting Expressions | 
| env.profile | Environment Access | 
| environment | Environment Access | 
| environment variables | Environment Variables | 
| environmentIsLocked | Binding and Environment Locking, Active Bindings | 
| environmentName | Environment Access | 
| eval | Evaluate an (Unevaluated) Expression | 
| eval.parent | 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 | 
| FALSE | Logical Vectors | 
| 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.link | File Manipulation | 
| 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 | 
| Filter | Common Higher-Order Functions in Functional Programming Languages | 
| finalizer | Finalization of Objects | 
| Find | Common Higher-Order Functions in Functional Programming Languages | 
| find.package | Find Packages | 
| findInterval | Find Interval Numbers or Indices | 
| findRestart | Condition Handling and Recovery | 
| finite | Finite, Infinite and NaN Numbers | 
| floor | Rounding of Numbers | 
| flush | Functions to Manipulate Connections | 
| for | Control Flow | 
| force | Force Evaluation of an Argument | 
| Foreign | Foreign Function Interface | 
| formals | Access to and Manipulation of the Formal Arguments | 
| format | Encode in a Common Format | 
| format.Date | Date Conversion Functions to and from Character | 
| format.difftime | Time Intervals | 
| format.hexmode | Display Numbers in Hexadecimal | 
| format.info | format(.) Information | 
| format.libraryIQR | Loading/Attaching and Listing of Packages | 
| format.numeric_version | Numeric Versions | 
| format.octmode | Display Numbers in Octal | 
| format.packageInfo | Loading/Attaching and Listing of Packages | 
| format.POSIXct | Date-time Conversion Functions to and from Character | 
| format.pval | Format P Values | 
| format.summaryDefault | Object Summaries | 
| 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 | 
| gc | Garbage Collection | 
| gc.time | Report Time Spent in Garbage Collection | 
| gcinfo | Garbage Collection | 
| gctorture | Torture Garbage Collector | 
| gctorture2 | Torture Garbage Collector | 
| get | Return the Value of a Named Object | 
| getAllConnections | Display Connections | 
| getConnection | Display Connections | 
| getDLLRegisteredRoutines | Reflectance Information for C/Fortran routines in a DLL | 
| getElement | Extract or Replace Parts of an Object | 
| geterrmessage | Stop Function Execution | 
| getHook | Functions to Get and Set Hooks for Load, Attach, Detach and Unload | 
| getLoadedDLLs | Get DLLs Loaded in Current Session | 
| getNativeSymbolInfo | Obtain a Description of one or more Native (C/Fortran) Symbols | 
| getOption | Options Settings | 
| getRversion | Numeric Versions | 
| getSrcLines | References to source files | 
| getTaskCallbackNames | Query the Names of the Current Internal Top-Level Task Callbacks | 
| gettext | Translate Text Messages | 
| gettextf | Use C-style String Formatting Commands | 
| getwd | Get or Set Working Directory | 
| gl | Generate Factor Levels | 
| globalenv | Environment Access | 
| gregexpr | Pattern Matching and Replacement | 
| grep | Pattern Matching and Replacement | 
| grepl | Pattern Matching and Replacement | 
| grepRaw | Pattern Matching for Raw Vectors | 
| group generic | S3 Group Generic Functions | 
| groupGeneric | S3 Group Generic Functions | 
| gsub | Pattern Matching and Replacement | 
| gzcon | (De)compress I/O Through Connections | 
| gzfile | Functions to Manipulate Connections | 
| hexmode | Display Numbers in Hexadecimal | 
| HOME | Environment Variables | 
| I | Inhibit Interpretation/Conversion of Objects | 
| iconv | Convert Character Vector between Encodings | 
| iconvlist | Convert Character Vector between Encodings | 
| icuGetCollate | Setup Collation by ICU | 
| icuSetCollate | Setup Collation by ICU | 
| identical | Test Objects for Exact Equality | 
| identity | Identity Function | 
| if | Control Flow | 
| ifelse | Conditional Element Selection | 
| Im | Complex Vectors | 
| in | Control Flow | 
| Inf | Finite, Infinite and NaN Numbers | 
| inherits | Object Classes | 
| integer | Integer Vectors | 
| interaction | Compute Factor Interactions | 
| interactive | Is R Running Interactively? | 
| internal generic | Internal Generic Functions | 
| InternalGenerics | Internal Generic Functions | 
| InternalMethods | Internal Generic Functions | 
| intersect | Set Operations | 
| intersection | Set Operations | 
| intToBits | Convert to or from Raw Vectors | 
| intToUtf8 | Convert to or from UTF-8-encoded Character Vectors | 
| inverse.rle | Run Length Encoding | 
| invisible | Change the Print Mode to Invisible | 
| invokeRestart | Condition Handling and Recovery | 
| invokeRestartInteractively | Condition Handling and Recovery | 
| 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 (Primitive) 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.numeric_version | Numeric Versions | 
| is.na.POSIXlt | Date-Time Classes | 
| is.name | Names and Symbols | 
| is.nan | Finite, Infinite and NaN Numbers | 
| is.null | The Null Object | 
| is.numeric | Numeric Vectors | 
| is.numeric.difftime | Time Intervals | 
| is.numeric_version | Numeric Versions | 
| is.object | Is an Object 'internally classed'? | 
| is.ordered | Factors | 
| is.package_version | Numeric Versions | 
| is.pairlist | Lists - Generic and Dotted Pairs | 
| is.primitive | Is an Object of Type (Primitive) Function? | 
| is.qr | The QR Decomposition of a Matrix | 
| is.R | Are we using R, rather than S? | 
| is.raw | Raw Vectors | 
| is.recursive | Is an Object Atomic or Recursive? | 
| is.single | Is an Object of Single Precision Type? | 
| is.symbol | Names and Symbols | 
| is.table | Cross Tabulation and Table Creation | 
| is.unsorted | Test if an Object is Not Sorted | 
| is.vector | Vectors | 
| isatty | Display Connections | 
| isdebugged | Debug a Function | 
| isIncomplete | Functions to Manipulate Connections | 
| ISOdate | Date-time Conversion Functions from Numeric Representations | 
| ISOdatetime | Date-time Conversion Functions from Numeric Representations | 
| isOpen | Functions to Manipulate Connections | 
| isRestart | Condition Handling and Recovery | 
| isS4 | Test for an S4 object | 
| isSeekable | Functions to Reposition Connections | 
| isSymmetric | Test if a Matrix or other Object is Symmetric | 
| isTRUE | Logical Operators | 
| jitter | 'Jitter' (Add Noise) to Numbers | 
| julian | Extract Parts of a POSIXt or Date Object | 
| kappa | Compute or Estimate the Condition Number of a Matrix | 
| kronecker | Kronecker Products on Arrays | 
| l10n_info | Localization Information | 
| La.svd | Singular Value Decomposition of a Matrix | 
| labels | Find Labels from Object | 
| LANGUAGE | Environment Variables | 
| language object | Is an Object a Language Object? | 
| language objects | Is an Object a Language Object? | 
| lapply | Apply a Function over a List or Vector | 
| last.warning | Print Warning Messages | 
| La_version | LAPACK version | 
| lbeta | Special Functions of Mathematics | 
| lchoose | Special Functions of Mathematics | 
| LC_ALL | Query or Set Aspects of the Locale | 
| LC_COLLATE | Query or Set Aspects of the Locale | 
| LC_CTYPE | Query or Set Aspects of the Locale | 
| LC_MEASUREMENT | Query or Set Aspects of the Locale | 
| LC_MESSAGES | Query or Set Aspects of the Locale | 
| LC_MONETARY | Query or Set Aspects of the Locale | 
| LC_NUMERIC | Query or Set Aspects of the Locale | 
| LC_PAPER | Query or Set Aspects of the Locale | 
| LC_TIME | Query or Set Aspects of the Locale | 
| length | Length of an Object | 
| length.POSIXlt | Date-Time Classes | 
| LETTERS | Built-in Constants | 
| letters | Built-in Constants | 
| levels | Levels Attributes | 
| lfactorial | Special Functions of Mathematics | 
| lgamma | Special Functions of Mathematics | 
| library | Loading/Attaching and Listing of Packages | 
| library.dynam | Loading DLLs from Packages | 
| library.dynam.unload | Loading DLLs from Packages | 
| licence | The R License Terms | 
| license | The R License Terms | 
| list | Lists - Generic and Dotted Pairs | 
| list.dirs | List the Files in a Directory/Folder | 
| list.files | List the Files in a Directory/Folder | 
| list2env | From A List, Build or Add To an Environment | 
| load | Reload Saved Datasets | 
| loadedNamespaces | Loading and Unloading Name Spaces | 
| loadNamespace | Loading and Unloading Name Spaces | 
| local | Evaluate an (Unevaluated) Expression | 
| localeconv | Find Details of the Numerical and Monetary Representations in the Current Locale | 
| locales | Query or Set Aspects of the Locale | 
| lockBinding | Binding and Environment Locking, Active Bindings | 
| lockEnvironment | Binding and Environment Locking, Active Bindings | 
| 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 | 
| long vector | Long Vectors | 
| Long vectors | Long Vectors | 
| long vectors | Long Vectors | 
| lower.tri | Lower and Upper Triangular Part of a Matrix | 
| ls | List Objects | 
| make.names | Make Syntactically Valid Names | 
| make.unique | Make Character Strings Unique | 
| makeActiveBinding | Binding and Environment Locking, Active Bindings | 
| MAKEINDEX | Environment Variables | 
| Map | Common Higher-Order Functions in Functional Programming Languages | 
| 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 | Extract a Function Specified by Name | 
| Math | S3 Group Generic Functions | 
| Math.Date | Date Class | 
| Math.difftime | Time Intervals | 
| Math.factor | Factors | 
| Math.POSIXlt | Date-Time Classes | 
| Math.POSIXt | Date-Time Classes | 
| matmult | Matrix Multiplication | 
| matrix | Matrices | 
| max | Maxima and Minima | 
| max.col | Find Maximum Position in Matrix | 
| MC_CORES | Options Settings | 
| mean | Arithmetic Mean | 
| mean.Date | Date Class | 
| mean.difftime | Time Intervals | 
| mean.POSIXct | Date-Time Classes | 
| memCompress | In-memory Compression and Decompression | 
| memDecompress | In-memory Compression and Decompression | 
| Memory | Memory Available for Data Storage | 
| Memory-limits | Memory Limits in R | 
| memory.profile | Profile the Usage of Cons Cells | 
| merge | Merge Two Data Frames | 
| message | Diagnostic Messages | 
| 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 | 
| months | Extract Parts of a POSIXt or Date Object | 
| NA | 'Not Available' / Missing Values | 
| name | Names and Symbols | 
| names | The Names of an Object | 
| names.POSIXlt | Date-Time Classes | 
| NaN | Finite, Infinite and NaN Numbers | 
| nargs | The Number of Arguments to a Function | 
| NativeSymbol | Obtain a Description of one or more Native (C/Fortran) Symbols | 
| NativeSymbolInfo | Obtain a Description of one or more Native (C/Fortran) Symbols | 
| NA_character_ | 'Not Available' / Missing Values | 
| NA_complex_ | 'Not Available' / Missing Values | 
| NA_integer_ | 'Not Available' / Missing Values | 
| NA_real_ | 'Not Available' / Missing Values | 
| nchar | Count the Number of Characters (or Bytes or Width) | 
| NCOL | The Number of Rows/Columns of an Array | 
| ncol | The Number of Rows/Columns of an Array | 
| Negate | Common Higher-Order Functions in Functional Programming Languages | 
| new.env | Environment Access | 
| next | Control Flow | 
| NextMethod | Class Methods | 
| ngettext | Translate Text Messages | 
| nlevels | The Number of Levels of a Factor | 
| noquote | Class for 'no quote' Printing of Character Strings | 
| norm | Compute the Norm of a Matrix | 
| normalizePath | Express File Paths in Canonical Form | 
| 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 | 
| NumericConstants | Numeric Constants | 
| numeric_version | Numeric Versions | 
| nzchar | Count the Number of Characters (or Bytes or Width) | 
| objects | List Objects | 
| octmode | Display Numbers in Octal | 
| oldClass | Object Classes | 
| OlsonNames | Time Zones | 
| on.exit | Function Exit Code | 
| open | Functions to Manipulate Connections | 
| open.srcfile | References to source files | 
| open.srcfilealias | References to source files | 
| Ops | S3 Group Generic Functions | 
| Ops.Date | Operators on the Date Class | 
| Ops.difftime | Time Intervals | 
| Ops.factor | Factors | 
| Ops.numeric_version | Numeric Versions | 
| Ops.ordered | Factors | 
| Ops.POSIXt | Date-Time Classes | 
| option | Options Settings | 
| options | Options Settings | 
| order | Ordering Permutation | 
| ordered | Factors | 
| outer | Outer Product of Arrays | 
| packageEvent | Functions to Get and Set Hooks for Load, Attach, Detach and Unload | 
| packageStartupMessage | Diagnostic Messages | 
| package_version | Numeric Versions | 
| packBits | Convert to or from Raw Vectors | 
| PAGER | Environment Variables | 
| 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 | 
| paste0 | Concatenate Strings | 
| path.expand | Expand File Paths | 
| path.package | Find Packages | 
| pcre_config | Report Configuration Options for PCRE | 
| pi | Built-in Constants | 
| pipe | Functions to Manipulate Connections | 
| pmatch | Partial String Matching | 
| pmax | Maxima and Minima | 
| pmax.int | Maxima and Minima | 
| pmin | Maxima and Minima | 
| pmin.int | Maxima and Minima | 
| polyroot | Find Zeros of a Real or Complex Polynomial | 
| pos.to.env | Convert Positions in the Search Path to Environments | 
| Position | Common Higher-Order Functions in Functional Programming Languages | 
| POSIXct | Date-Time Classes | 
| POSIXlt | Date-Time Classes | 
| POSIXt | Date-Time Classes | 
| pretty | Pretty Breakpoints | 
| prettyNum | Formatting Using C-style Formats | 
| primitive | Look Up a Primitive Function | 
| 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.DLLInfo | Get DLLs Loaded in Current Session | 
| print.hexmode | Display Numbers in Hexadecimal | 
| print.libraryIQR | Loading/Attaching and Listing of Packages | 
| print.NativeRoutineList | Reflectance Information for C/Fortran routines in a DLL | 
| print.noquote | Class for 'no quote' Printing of Character Strings | 
| print.numeric_version | Numeric Versions | 
| print.octmode | Display Numbers in Octal | 
| print.packageInfo | Loading/Attaching and Listing of Packages | 
| print.POSIXct | Date-Time Classes | 
| print.proc_time | Running Time of R | 
| print.rle | Run Length Encoding | 
| print.simple.list | Print Values | 
| print.srcfile | References to source files | 
| print.srcref | References to source files | 
| print.summary.table | Cross Tabulation and Table Creation | 
| print.summaryDefault | Object Summaries | 
| print.table | Print Values | 
| print.warnings | Print Warning Messages | 
| prmatrix | Print Matrices, Old-style | 
| proc.time | Running Time of R | 
| prod | Product of Vector Elements | 
| promise | Delay Evaluation | 
| promises | Delay Evaluation | 
| prop.table | Express Table Entries as Fraction of Marginal Table | 
| provideDimnames | Dimnames of an Object | 
| 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.coef | The QR Decomposition of a Matrix | 
| qr.default | The QR Decomposition of a Matrix | 
| qr.fitted | 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 | 
| quarters | Extract Parts of a POSIXt or Date Object | 
| quit | Terminate an R Session | 
| quote | Substituting and Quoting Expressions | 
| Quotes | Quotes | 
| R.home | Return the R Home Directory | 
| R.Version | Version Information | 
| R.version.string | Version Information | 
| Random | Random Number Generation | 
| Random.user | User-supplied Random Number Generation | 
| range | Range of Values | 
| rank | Sample Ranks | 
| rapply | Recursively Apply a Function to a List | 
| raw | Raw Vectors | 
| rawConnection | Raw Connections | 
| rawConnectionValue | Raw Connections | 
| rawShift | Convert to or from Raw Vectors | 
| rawToBits | Convert to or from Raw Vectors | 
| rawToChar | Convert to or from Raw Vectors | 
| rbind | Combine R Objects by Rows or Columns | 
| rbind.data.frame | Combine R Objects by Rows or Columns | 
| rcond | Compute or Estimate the Condition Number of a Matrix | 
| Rd2pdf | Utilities for Processing Rd Files | 
| RD2PDF_INPUTENC | Utilities for Processing Rd Files | 
| Rdconv | Utilities for Processing Rd Files | 
| Re | Complex Vectors | 
| read.dcf | Read and Write Data in DCF Format | 
| readBin | Transfer Binary Data To and From Connections | 
| readChar | Transfer Character Strings To and From Connections | 
| readline | Read a Line from the Terminal | 
| readLines | Read Text Lines from a Connection | 
| readRDS | Serialization Interface for Single Objects | 
| readRenviron | Set Environment Variables from a File | 
| Recall | Recursive Calling | 
| Reduce | Common Higher-Order Functions in Functional Programming Languages | 
| reg.finalizer | Finalization of Objects | 
| regex | Regular Expressions as used in R | 
| regexec | Pattern Matching and Replacement | 
| regexp | Regular Expressions as used in R | 
| regexpr | Pattern Matching and Replacement | 
| RegisteredNativeSymbol | Obtain a Description of one or more Native (C/Fortran) Symbols | 
| regmatches | Extract or Replace Matched Substrings | 
| regular expression | Regular Expressions as used in R | 
| remove | Remove Objects from a Specified Environment | 
| removeTaskCallback | Add or Remove a Top-Level Task Callback | 
| Renviron | Initialization at Start of an R Session | 
| rep | Replicate Elements of Vectors and Lists | 
| rep.numeric_version | Numeric Versions | 
| repeat | Control Flow | 
| replace | Replace Values in a Vector | 
| replicate | Apply a Function over a List or Vector | 
| rep_len | Replicate Elements of Vectors and Lists | 
| require | Loading/Attaching and Listing of Packages | 
| requireNamespace | Loading and Unloading Name Spaces | 
| Reserved | Reserved Words in R | 
| reserved | Reserved Words in R | 
| restartDescription | Condition Handling and Recovery | 
| restartFormals | Condition Handling and Recovery | 
| retracemem | Trace Copying of Objects | 
| return | Function Definition | 
| rev | Reverse Elements | 
| 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.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 Column 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 | 
| Rprofile.site | Initialization at Start of an R Session | 
| R_BATCH | Environment Variables | 
| R_BROWSER | Environment Variables | 
| R_COMPLETION | Environment Variables | 
| R_C_BOUNDS_CHECK | Options Settings | 
| R_DEFAULT_DEVICE | Options Settings | 
| R_DEFAULT_PACKAGES | Initialization at Start of an R Session | 
| R_DOC_DIR | Environment Variables | 
| R_ENVIRON | Initialization at Start of an R Session | 
| R_ENVIRON_USER | Initialization at Start of an R Session | 
| R_GCTORTURE | Torture Garbage Collector | 
| R_GCTORTURE_INHIBIT_RELEASE | Torture Garbage Collector | 
| R_GCTORTURE_WAIT | Torture Garbage Collector | 
| R_GSCMD | Environment Variables | 
| R_HISTFILE | Environment Variables | 
| R_HISTSIZE | Environment Variables | 
| R_HOME | Return the R Home Directory | 
| R_ICU_LOCALE | Setup Collation by ICU | 
| R_INCLUDE_DIR | Environment Variables | 
| R_INTERACTIVE_DEVICE | Options Settings | 
| R_KEEP_PKG_SOURCE | Options Settings | 
| R_LIBS | Search Paths for Packages | 
| R_LIBS_SITE | Search Paths for Packages | 
| R_LIBS_USER | Search Paths for Packages | 
| R_PAPERSIZE | Environment Variables | 
| R_PDFVIEWER | Environment Variables | 
| R_PLATFORM | Environment Variables | 
| R_PRINTCMD | Environment Variables | 
| R_PROFILE | Initialization at Start of an R Session | 
| R_PROFILE_USER | Initialization at Start of an R Session | 
| R_RD4PDF | Environment Variables | 
| R_SHARE_DIR | Environment Variables | 
| R_system_version | Numeric Versions | 
| R_TEXI2DVICMD | Environment Variables | 
| R_UNZIPCMD | Environment Variables | 
| R_ZIPCMD | Environment Variables | 
| S3groupGeneric | S3 Group Generic Functions | 
| S3Methods | Class Methods | 
| S4 | Test for an S4 object | 
| sample | Random Samples and Permutations | 
| sapply | Apply a Function over a List or Vector | 
| save | Save R Objects | 
| saveRDS | Serialization Interface for Single Objects | 
| scale | Scaling and Centering of Matrix-like Objects | 
| scan | Read Data Values | 
| 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.POSIXt | Generate Regular Sequences of Times | 
| sequence | Create A Vector of Sequences | 
| seq_along | Sequence Generation | 
| seq_len | Sequence Generation | 
| serialize | Simple Serialization Interface | 
| set.seed | Random Number Generation | 
| setdiff | Set Operations | 
| setequal | Set Operations | 
| setHook | Functions to Get and Set Hooks for Load, Attach, Detach and Unload | 
| setSessionTimeLimit | Set CPU and/or Elapsed Time Limits | 
| setTimeLimit | Set CPU and/or Elapsed Time Limits | 
| setwd | Get or Set Working Directory | 
| shell | Invoke a System Command | 
| showConnections | Display Connections | 
| shQuote | Quote Strings for Use in OS Shells | 
| 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 | 
| simpleMessage | Condition Handling and Recovery | 
| simpleWarning | Condition Handling and Recovery | 
| simplify2array | Apply a Function over a List or Vector | 
| sin | Trigonometric Functions | 
| single | Double-Precision Vectors | 
| sinh | Hyperbolic Functions | 
| sink | Send R Output to a File | 
| sinpi | Trigonometric Functions | 
| 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 and Reassemble | 
| split.Date | Date Class | 
| split.POSIXct | Date-Time Classes | 
| sprintf | Use C-style String Formatting Commands | 
| sqrt | Miscellaneous Mathematical Functions | 
| sQuote | Quote Text | 
| srcfile | References to source files | 
| srcfile-class | References to source files | 
| srcfilealias | References to source files | 
| srcfilealias-class | References to source files | 
| srcfilecopy | References to source files | 
| srcfilecopy-class | References to source files | 
| srcref | References to source files | 
| srcref-class | References to source files | 
| Startup | Initialization at Start of an R Session | 
| 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 | 
| strtoi | Convert Strings to Integers | 
| strtrim | Trim Character Strings to Specified Display Widths | 
| 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, Matrices 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 | S3 Group Generic Functions | 
| summary | Object Summaries | 
| summary.connection | Functions to Manipulate Connections | 
| Summary.Date | Date Class | 
| summary.Date | Date Class | 
| Summary.difftime | Time Intervals | 
| Summary.factor | Factors | 
| Summary.numeric_version | Numeric Versions | 
| Summary.ordered | Factors | 
| Summary.POSIXct | Date-Time Classes | 
| summary.POSIXct | Date-Time Classes | 
| Summary.POSIXlt | Date-Time Classes | 
| summary.proc_time | Running Time of R | 
| summary.srcfile | References to source files | 
| summary.srcref | References to source files | 
| summary.table | Cross Tabulation and Table Creation | 
| suppressMessages | Diagnostic Messages | 
| suppressPackageStartupMessages | Diagnostic Messages | 
| suppressWarnings | Warning Messages | 
| svd | Singular Value Decomposition of a Matrix | 
| sweep | Sweep out Array Summaries | 
| switch | Select One of a List of Alternatives | 
| Syntax | Operator Syntax and Precedence | 
| Sys.chmod | Manipulaton of Directories and File Permissions | 
| Sys.Date | Get Current Date and Time | 
| 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.glob | Wildcard Expansion on File Paths | 
| Sys.info | Extract System and User Information | 
| Sys.localeconv | Find Details of the Numerical and Monetary Representations in the Current Locale | 
| sys.on.exit | Functions to Access the Function Call Stack | 
| sys.parent | Functions to Access the Function Call Stack | 
| Sys.readlink | Read File Symbolic Links | 
| Sys.setenv | Set or Unset Environment Variables | 
| Sys.setFileTime | Set File Time | 
| 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 and Time | 
| Sys.timezone | Time Zones | 
| Sys.umask | Manipulaton of Directories and File Permissions | 
| Sys.unsetenv | Set or Unset Environment Variables | 
| Sys.which | Find Full Paths to Executables | 
| system | Invoke a System Command | 
| system.file | Find Names of R System Files | 
| system.time | CPU Time Used | 
| system2 | Invoke a System Command | 
| T | Logical Vectors | 
| t | Matrix Transpose | 
| table | Cross Tabulation and Table Creation | 
| tabulate | Tabulation for Vectors | 
| tan | Trigonometric Functions | 
| tanh | Hyperbolic Functions | 
| tanpi | Trigonometric Functions | 
| tapply | Apply a Function Over a Ragged Array | 
| taskCallbackManager | Create an R-level Task Callback Manager | 
| tcrossprod | Matrix Crossproduct | 
| tempdir | Create Names for Temporary Files | 
| tempfile | Create Names for Temporary Files | 
| textConnection | Text Connections | 
| textConnectionValue | Text Connections | 
| tilde | Tilde Operator | 
| tilde expansion | Expand File Paths | 
| time interval | Time Intervals | 
| time zone | Time Zones | 
| time zones | Time Zones | 
| timezone | Time Zones | 
| timezones | Time Zones | 
| TMPDIR | Environment Variables | 
| tolower | Character Translation and Casefolding | 
| topenv | Top Level Environment | 
| toString | Convert an R Object to a Character String | 
| toupper | Character Translation and Casefolding | 
| trace | Interactive Tracing and Debugging of Calls to a Function or Method | 
| traceback | Print Call Stacks | 
| tracemem | Trace Copying of Objects | 
| tracingState | Interactive Tracing and Debugging of Calls to a Function or Method | 
| transform | Transform an Object, for Example a Data Frame | 
| 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 | The Type of an Object | 
| typeof | The Type of an Object | 
| TZ | Time Zones | 
| TZDIR | Time Zones | 
| umask | Manipulaton of Directories and File Permissions | 
| unclass | Object Classes | 
| undebug | Debug a Function | 
| Unicode | Convert to or from UTF-8-encoded Character Vectors | 
| union | Set Operations | 
| unique | Extract Unique Elements | 
| unique.numeric_version | Numeric Versions | 
| unique.POSIXlt | Date-Time Classes | 
| unique.warnings | Print Warning Messages | 
| units | Time Intervals | 
| units.difftime | Time Intervals | 
| unix.time | CPU Time Used | 
| unlink | Delete Files and Directories | 
| unlist | Flatten Lists | 
| unloadNamespace | Loading and Unloading Name Spaces | 
| unlockBinding | Binding and Environment Locking, Active Bindings | 
| unname | Remove 'names' or 'dimnames' | 
| unserialize | Simple Serialization Interface | 
| unsplit | Divide into Groups and Reassemble | 
| untrace | Interactive Tracing and Debugging of Calls to a Function or Method | 
| untracemem | Trace Copying of Objects | 
| unz | Functions to Manipulate Connections | 
| upper.tri | Lower and Upper Triangular Part of a Matrix | 
| url | Functions to Manipulate Connections | 
| UseMethod | Class Methods | 
| utf8ToInt | Convert to or from UTF-8-encoded Character Vectors | 
| vapply | Apply a Function over a List or Vector | 
| vector | Vectors | 
| Vectorize | Vectorize a Scalar Function | 
| version | Version Information | 
| warning | Warning Messages | 
| warnings | Print Warning Messages | 
| weekdays | Extract Parts of a POSIXt or Date Object | 
| which | Which indices are TRUE? | 
| which.max | Where is the Min() or Max() or first TRUE or FALSE ? | 
| which.min | Where is the Min() or Max() or first TRUE or FALSE ? | 
| while | Control Flow | 
| with | Evaluate an Expression in a Data Environment | 
| withCallingHandlers | Condition Handling and Recovery | 
| within | Evaluate an Expression in a Data Environment | 
| withRestarts | Condition Handling and Recovery | 
| withVisible | Return both a value and its visibility | 
| write | Write Data to a File | 
| write.dcf | Read and Write Data in DCF Format | 
| writeBin | Transfer Binary Data To and From Connections | 
| writeChar | Transfer Character Strings To and From Connections | 
| writeLines | Write Lines to a Connection | 
| xor | Logical Operators | 
| xor.hexmode | Display Numbers in Hexadecimal | 
| xor.octmode | Display Numbers in Octal | 
| xtfrm | Auxiliary Function for Sorting and Ranking | 
| xtfrm.numeric_version | Numeric Versions | 
| xzfile | Functions to Manipulate Connections | 
| zapsmall | Rounding of Numbers | 
| ! | Logical Operators | 
| !.hexmode | Display Numbers in Hexadecimal | 
| !.octmode | Display Numbers in Octal | 
| != | Relational Operators | 
| " | Quotes | 
| $ | Extract or Replace Parts of an Object | 
| $.data.frame | Extract or Replace Parts of a Data Frame | 
| $.DLLInfo | Get DLLs Loaded in Current Session | 
| $.package_version | Numeric Versions | 
| $<- | Extract or Replace Parts of an Object | 
| $<-.data.frame | Extract or Replace Parts of a Data Frame | 
| %% | Arithmetic Operators | 
| %*% | Matrix Multiplication | 
| %/% | Arithmetic Operators | 
| %in% | Value Matching | 
| %o% | Outer Product of Arrays | 
| %x% | Kronecker Products on Arrays | 
| & | Logical Operators | 
| && | Logical Operators | 
| &.hexmode | Display Numbers in Hexadecimal | 
| &.octmode | Display Numbers in Octal | 
| ' | Quotes | 
| ( | Parentheses and Braces | 
| * | Arithmetic Operators | 
| ** | Arithmetic Operators | 
| *.difftime | Time Intervals | 
| + | Arithmetic Operators | 
| +.Date | Operators on the Date Class | 
| +.POSIXt | Date-Time Classes | 
| - | Arithmetic Operators | 
| -.Date | Operators on the Date Class | 
| -.POSIXt | Date-Time Classes | 
| -> | Assignment Operators | 
| ->> | Assignment Operators | 
| ... | Reserved Words in R | 
| ..1 | Reserved Words in R | 
| .amatch_bounds | Approximate String Matching (Fuzzy Matching) | 
| .amatch_costs | Approximate String Matching (Fuzzy Matching) | 
| .Autoloaded | On-demand Loading of Packages | 
| .AutoloadEnv | On-demand Loading of Packages | 
| .BaseNamespaceEnv | Environment Access | 
| .bincode | Bin a Numeric Vector | 
| .C | Foreign Function Interface | 
| .Call | Modern Interfaces to C/C++ code | 
| .Class | Class Methods | 
| .colMeans | Form Row and Column Sums and Means | 
| .colSums | Form Row and Column Sums and Means | 
| .conflicts.OK | Attach Set of R Objects to Search Path | 
| .decode_numeric_version | Numeric Versions | 
| .Defunct | Marking Objects as Defunct | 
| .deparseOpts | Options for Expression Deparsing | 
| .Deprecated | Marking Objects as Deprecated | 
| .Device | Lists of Open/Active Graphics Devices | 
| .Devices | Lists of Open/Active Graphics Devices | 
| .doTrace | Interactive Tracing and Debugging of Calls to a Function or Method | 
| .dynLibs | Loading DLLs from Packages | 
| .encode_numeric_version | Numeric Versions | 
| .expand_R_libs_env_var | Search Paths for Packages | 
| .External | Modern Interfaces to C/C++ code | 
| .First | Initialization at Start of an R Session | 
| .First.sys | Initialization at Start of an R Session | 
| .Fortran | Foreign Function Interface | 
| .Generic | Class Methods | 
| .GlobalEnv | Environment Access | 
| .Group | S3 Group Generic Functions | 
| .handleSimpleError | Condition Handling and Recovery | 
| .Internal | Call an Internal Function | 
| .isOpen | References to source files | 
| .kappa_tri | Compute or Estimate the Condition Number of a Matrix | 
| .kronecker | Kronecker Products on Arrays | 
| .Last | Terminate an R Session | 
| .Last.lib | Hooks for Namespace Events | 
| .Last.sys | Terminate an R Session | 
| .Last.value | Value of Last Evaluated Expression | 
| .leap.seconds | Date-Time Classes | 
| .libPaths | Search Paths for Packages | 
| .Library | Search Paths for Packages | 
| .Library.site | Search Paths for Packages | 
| .Machine | Numerical Characteristics of the Machine | 
| .makeMessage | Diagnostic Messages | 
| .make_numeric_version | Numeric Versions | 
| .Method | Class Methods | 
| .noGenerics | Loading/Attaching and Listing of Packages | 
| .NotYetImplemented | Not Yet Implemented Functions and Unused Arguments | 
| .NotYetUsed | Not Yet Implemented Functions and Unused Arguments | 
| .onAttach | Hooks for Namespace Events | 
| .onDetach | Hooks for Namespace Events | 
| .onLoad | Hooks for Namespace Events | 
| .onUnload | Hooks for Namespace Events | 
| .Options | Options Settings | 
| .OptRequireMethods | Initialization at Start of an R Session | 
| .packages | Listing of Packages | 
| .packageStartupMessage | Diagnostic Messages | 
| .Platform | Platform Specific Variables | 
| .Primitive | Look Up a Primitive Function | 
| .Random.seed | Random Number Generation | 
| .Renviron | Initialization at Start of an R Session | 
| .rowMeans | Form Row and Column Sums and Means | 
| .rowSums | Form Row and Column Sums and Means | 
| .Rprofile | Initialization at Start of an R Session | 
| .S3PrimitiveGenerics | Internal Generic Functions | 
| .signalSimpleWarning | Condition Handling and Recovery | 
| .standard_regexps | Miscellaneous Internal/Programming Utilities | 
| .Traceback | Print Call Stacks | 
| .userHooksEnv | Functions to Get and Set Hooks for Load, Attach, Detach and Unload | 
| .__H__.cbind | Combine R Objects by Rows or Columns | 
| .__H__.rbind | Combine R Objects by Rows or Columns | 
| / | Arithmetic Operators | 
| /.difftime | Time Intervals | 
| 0x1 | Numeric Constants | 
| 1i | Numeric Constants | 
| 1L | Numeric Constants | 
| : | Colon Operator | 
| :: | Double Colon and Triple Colon Operators | 
| ::: | Double Colon and Triple Colon Operators | 
| < | Relational Operators | 
| <- | Assignment Operators | 
| <<- | Assignment Operators | 
| <= | Relational Operators | 
| = | Assignment Operators | 
| == | Relational Operators | 
| > | Relational Operators | 
| >= | Relational Operators | 
| @ | Extract or Replace A Slot | 
| @<- | Extract or Replace A Slot | 
| [ | 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 | 
| [.hexmode | Display Numbers in Hexadecimal | 
| [.listof | Extract or Replace Parts of an Object | 
| [.noquote | Class for 'no quote' Printing of Character Strings | 
| [.numeric_version | Numeric Versions | 
| [.octmode | Display Numbers in Octal | 
| [.POSIXct | Date-Time Classes | 
| [.POSIXlt | Date-Time Classes | 
| [.simple.list | Extract or Replace Parts of an Object | 
| [.warnings | Print Warning Messages | 
| [<- | Extract or Replace Parts of an Object | 
| [<-.data.frame | Extract or Replace Parts of a Data Frame | 
| [<-.Date | Date Class | 
| [<-.factor | Extract or Replace Parts of a Factor | 
| [<-.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 | 
| [[.factor | Extract or Replace Parts of a Factor | 
| [[.numeric_version | Numeric Versions | 
| [[.POSIXct | Date-Time Classes | 
| ^ | Arithmetic Operators | 
| ` | Quotes | 
| { | Parentheses and Braces | 
| | | Logical Operators | 
| |.hexmode | Display Numbers in Hexadecimal | 
| |.octmode | Display Numbers in Octal | 
| || | Logical Operators | 
| ~ | Tilde Operator |