| Symbols | 
| ! | Logical Operators | 
| != | Comparison Operators | 
| $ | Extract or Replace Parts of an Object | 
| $.DLLInfo | Get DLLs Loaded in Current Session | 
| $.package_version | Numeric Versions | 
| $<- | Extract or Replace Parts of an Object | 
| %% | Arithmetic Operators | 
| %*% | Matrix Multiplication | 
| %/% | Arithmetic Operators | 
| %c% | Matrix Cross Product | 
| %o% | Generalized Outer Products | 
| %x% | Generalized Kronecker Products | 
| & | Logical Operators | 
| ( | The Structure of Expressions | 
| *.difftime | Ops Group Method for Date/Time Objects | 
| + | Arithmetic Operators | 
| +.Date | Ops Group Method for Date/Time Objects | 
| +.POSIXt | Ops Group Method for Date/Time Objects | 
| -.Date | Ops Group Method for Date/Time Objects | 
| -.POSIXt | Ops Group Method for Date/Time Objects | 
| -> | Assign a Name to an Object | 
| ...elt | Manipulate Ellipsis Arguments | 
| ...length | Manipulate Ellipsis Arguments | 
| ...names | Manipulate Ellipsis Arguments | 
| .bincode | Create Factor Object from Numeric Vector | 
| .C | Call a Fortran or C Routine | 
| .Call | Manipulate R objects from C code | 
| .class2 | Class Attribute of an Object | 
| .col | Column and Row Identification in a Matrix | 
| .colMeans | Row and Column Summaries | 
| .colSums | Row and Column Summaries | 
| .decode_numeric_version | Numeric Versions | 
| .Defunct | Mark Functions as Deprecated, Defunct, or Not Yet Implemented | 
| .deparseOpts | Parse the Option Value into Integer Form | 
| .Deprecated | Mark Functions as Deprecated, Defunct, or Not Yet Implemented | 
| .difftime | Time Intervals | 
| .doTrace | Tracing and Debugging of Calls to Functions | 
| .dynLibs | Loading DLLs from Packages | 
| .encode_numeric_version | Numeric Versions | 
| .expand_R_libs_env_var | Format Spotfire Enterprise Runtime for R version and system information | 
| .External | Manipulate R objects from C code | 
| .External2 | Manipulate R objects from C code | 
| .find.package | Find Packages | 
| .First | Customization at Start of a Spotfire Enterprise Runtime for R Session | 
| .Fortran | Call a Fortran or C Routine | 
| .getNamespace | Get Namespace Environment Information | 
| .GlobalEnv | Environment Access | 
| .handleSimpleError | Condition Handling and Recovery | 
| .kappa_tri | Compute the Exact or Estimated Condition Number | 
| .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 | Machine Arithmetic Constants | 
| .make_numeric_version | Numeric Versions | 
| .makeMessage | Diagnostic Messages | 
| .mapply | Apply a Function to Multiple List or Vector Arguments | 
| .NotYetImplemented | Mark Functions as Deprecated, Defunct, or Not Yet Implemented | 
| .onAttach | Load and List Packages | 
| .onLoad | Load and List Packages | 
| .onUnload | Load and List Packages | 
| .packages | List names of loaded or installed packages | 
| .packageStartupMessage | Diagnostic Messages | 
| .path.package | Find Packages | 
| .Platform | Platform Specific Variables | 
| .POSIXct | Date-Time Classes | 
| .POSIXlt | Date-Time Classes | 
| .Random.seed | Control Random Number Generator | 
| .row | Column and Row Identification in a Matrix | 
| .rowMeans | Row and Column Summaries | 
| .rowSums | Row and Column Summaries | 
| .signalSimpleWarning | Condition Handling and Recovery | 
| .TERRData | Customization at Start of a Spotfire Enterprise Runtime for R Session | 
| .TERRenviron | Customization at Start of a Spotfire Enterprise Runtime for R Session | 
| .TERRprofile | Customization at Start of a Spotfire Enterprise Runtime for R Session | 
| .userHooksEnv | Functions to Get and Set Hooks for Load, Attach, Detach and Unload | 
| /.difftime | Ops Group Method for Date/Time Objects | 
| : | Generate a Sequence | 
| < | Comparison Operators | 
| <- | Assign a Name to an Object | 
| <<- | Assign a Name to an Object | 
| <= | Comparison Operators | 
| = | Assign a Name to an Object | 
| == | Comparison Operators | 
| @ | Extract Slot from an S4 Object | 
| [ | Extract or Replace Parts of an Object | 
| [.data.frame | Extract or Replace Parts of an Object | 
| [.Date | Date Class | 
| [.difftime | Time Intervals | 
| [.factor | Extract or Replace Parts of an Object | 
| [.hexmode | Display Integers in Octal or Hexadecimal | 
| [.numeric_version | Numeric Versions | 
| [.octmode | Display Integers in Octal or Hexadecimal | 
| [.POSIXct | Date-Time Classes | 
| [.POSIXlt | Date-Time Classes | 
| [.table | Create a Contingency Table from Factors | 
| [<- | Extract or Replace Parts of an Object | 
| [<-.data.frame | Extract or Replace Parts of an Object | 
| [<-.Date | Date Class | 
| [<-.factor | Extract or Replace Parts of an Object | 
| [<-.POSIXct | Date-Time Classes | 
| [<-.POSIXlt | Date-Time Classes | 
| [[ | Extract or Replace Parts of an Object | 
| [[.data.frame | Extract or Replace Parts of an Object | 
| [[.Date | Date Class | 
| [[.factor | Extract or Replace Parts of an Object | 
| [[.numeric_version | Numeric Versions | 
| [[.POSIXct | Date-Time Classes | 
| [[<- | Extract or Replace Parts of an Object | 
| [[<-.data.frame | Extract or Replace Parts of an Object | 
| [[<-.numeric_version | Numeric Versions | 
| ^ | Arithmetic Operators | 
| { | The Structure of Expressions | 
| | | Logical Operators | 
| || | Control Flow | 
| ~ | Model Formula Objects | 
| A | 
| abbreviate | Generate Abbreviations | 
| abs | Absolute Value | 
| acos | Inverse Trigonometric Functions | 
| acosh | Inverse Hyperbolic Trigonometric Functions | 
| activeBindingFunction | Binding and Environment Adjustments | 
| addTaskCallback | Manage Top-Level Task Callbacks | 
| agrep | Approximate String Matching (Fuzzy Matching) | 
| agrepl | Approximate String Matching (Fuzzy Matching) | 
| all | Logical Sum and Product | 
| all.equal | Test Two Objects for Full Equality | 
| all.equal.factor | Test Two Objects for Full Equality | 
| all.equal.numeric | Test Two Objects for Full Equality | 
| all.equal.POSIXct | Test Two Objects for Full Equality | 
| all.names | Find All Names in an Expression | 
| all.vars | Find All Names in an Expression | 
| allowInterrupts | Disable or Enable User Interrupts | 
| any | Logical Sum and Product | 
| anyDuplicated | Determine Duplicate Elements | 
| anyDuplicated.array | Determine Duplicate Elements | 
| anyDuplicated.data.frame | Determine Duplicate Elements | 
| anyDuplicated.default | Determine Duplicate Elements | 
| anyDuplicated.matrix | Determine Duplicate Elements | 
| anyNA | Quickly check for missing (NA) values | 
| aperm | Array Permutations | 
| aperm.default | Array Permutations | 
| aperm.table | Array Permutations | 
| append | Insert or Merge Data | 
| apply | Apply a Function to Sections of an Array | 
| Arg | Complex arithmetic | 
| args | Display the Argument List of a Function | 
| Arithmetic | Arithmetic Operators | 
| array | Multi-Way Arrays | 
| arrayInd | Find TRUE Values | 
| as.array | Multi-Way Arrays | 
| as.array.default | Multi-Way Arrays | 
| as.call | Calling Functions | 
| as.character | Character Objects | 
| as.character.condition | Condition Handling and Recovery | 
| as.character.Date | Date-Time Formatting | 
| as.character.error | Condition Handling and Recovery | 
| as.character.factor | Character Objects | 
| as.character.hexmode | Display Integers in Octal or Hexadecimal | 
| as.character.numeric_version | Numeric Versions | 
| as.character.octmode | Display Integers in Octal or Hexadecimal | 
| as.character.POSIXt | Date-Time Formatting | 
| as.complex | Complex Valued Objects | 
| as.data.frame | Construct a Data Frame | 
| as.data.frame.array | Construct a Data Frame Object from an S object | 
| as.data.frame.character | Construct a Data Frame Object from an S object | 
| as.data.frame.complex | Construct a Data Frame Object from an S object | 
| as.data.frame.data.frame | Construct a Data Frame Object from an S object | 
| as.data.frame.Date | Construct a Data Frame Object from an S object | 
| as.data.frame.default | Construct a Data Frame Object from an S object | 
| as.data.frame.difftime | Construct a Data Frame Object from an S object | 
| as.data.frame.factor | Construct a Data Frame Object from an S object | 
| as.data.frame.integer | Construct a Data Frame Object from an S object | 
| as.data.frame.list | Construct a Data Frame Object from an S object | 
| as.data.frame.logical | Construct a Data Frame Object from an S object | 
| as.data.frame.matrix | Construct a Data Frame Object from an S object | 
| as.data.frame.model.matrix | Construct a Data Frame Object from an S object | 
| as.data.frame.numeric | Construct a Data Frame Object from an S object | 
| as.data.frame.numeric_version | Numeric Versions | 
| as.data.frame.ordered | Construct a Data Frame Object from an S object | 
| as.data.frame.POSIXct | Construct a Data Frame Object from an S object | 
| as.data.frame.POSIXlt | Construct a Data Frame Object from an S object | 
| as.data.frame.raw | Construct a Data Frame Object from an S object | 
| as.data.frame.table | Construct a Data Frame Object from an S object | 
| as.data.frame.ts | Construct a Data Frame Object from an S object | 
| as.data.frame.vector | Construct a Data Frame Object from an S object | 
| as.Date | Date-Time Parsing | 
| as.Date.character | Date-Time Parsing | 
| as.Date.date | Date-Time Parsing | 
| as.Date.dates | Date-Time Parsing | 
| as.Date.default | Date-Time Parsing | 
| as.Date.factor | Date-Time Parsing | 
| as.Date.numeric | Date-Time Parsing | 
| as.Date.POSIXct | Date-Time Parsing | 
| as.Date.POSIXlt | Date-Time Parsing | 
| as.difftime | Date-Time Parsing | 
| as.double | Double Precision Objects | 
| as.double.difftime | Double Precision Objects | 
| as.double.POSIXlt | Double Precision Objects | 
| as.environment | Coerce to an Environment Object | 
| as.expression | Expression Objects | 
| as.factor | Create Factor Object | 
| as.function | Function Objects | 
| as.hexmode | Display Integers in Octal or Hexadecimal | 
| as.integer | Integer Objects | 
| as.list | List Objects | 
| as.list.data.frame | List Objects | 
| as.list.Date | List Objects | 
| as.list.default | List Objects | 
| as.list.environment | List Objects | 
| as.list.factor | List Objects | 
| as.list.function | List Objects | 
| as.list.numeric_version | List Objects | 
| as.list.POSIXct | List Objects | 
| as.logical | Logical Objects | 
| as.logical.factor | Logical Objects | 
| as.matrix | Matrix Objects | 
| as.matrix.data.frame | Matrix Objects | 
| as.matrix.default | Matrix Objects | 
| as.matrix.noquote | Matrix Objects | 
| as.matrix.POSIXlt | Matrix Objects | 
| as.name | Names and Symbols | 
| as.null | The Null Object | 
| as.null.default | The Null Object | 
| as.numeric | Numeric Objects | 
| as.numeric_version | Numeric Versions | 
| as.octmode | Display Integers in Octal or Hexadecimal | 
| as.ordered | Create an Ordered factor Object | 
| as.package_version | Numeric Versions | 
| as.POSIXct | Date-Time Parsing | 
| as.POSIXct.Date | Date-Time Parsing | 
| as.POSIXct.dates | Date-Time Parsing | 
| as.POSIXct.default | Date-Time Parsing | 
| as.POSIXct.factor | Date-Time Parsing | 
| as.POSIXct.numeric | Date-Time Parsing | 
| as.POSIXct.POSIXlt | Date-Time Parsing | 
| as.POSIXlt | Date-Time Parsing | 
| as.POSIXlt.character | Date-Time Parsing | 
| as.POSIXlt.Date | Date-Time Parsing | 
| as.POSIXlt.dates | Date-Time Parsing | 
| as.POSIXlt.default | Date-Time Parsing | 
| as.POSIXlt.factor | Date-Time Parsing | 
| as.POSIXlt.numeric | Date-Time Parsing | 
| as.POSIXlt.POSIXct | Date-Time Parsing | 
| as.raw | Create a Raw Vector | 
| as.single | Single Precision Objects | 
| as.single.default | Single Precision Objects | 
| as.symbol | Names and Symbols | 
| as.table | Create a Contingency Table from Factors | 
| as.vector | Vectors (Simple Objects) | 
| as.vector.factor | Coerce a Factor Object into a Vector of a Given Mode | 
| asin | Inverse Trigonometric Functions | 
| asinh | Inverse Hyperbolic Trigonometric Functions | 
| AsIs | Inhibit Interpretation/Conversion of Objects | 
| asNamespace | Get Namespace Environment Information | 
| asplit | Split Array into List of Subarrays | 
| assign | Assign Environment Variable | 
| Assignment | Assign a Name to an Object | 
| atan | Inverse Trigonometric Functions | 
| atan2 | Inverse Trigonometric Functions | 
| atanh | Inverse Hyperbolic Trigonometric Functions | 
| attach | Attach a Set of Objects to the Search Path | 
| attachNamespace | Loading and Unloading Namespaces | 
| attr | Attribute of an Object | 
| attributes | All Attributes of an Object | 
| B | 
| backsolve | Backsolve Upper or Lower Triangular Equations | 
| baseenv | Environment Access | 
| basename | Manipulate File Paths | 
| besselI | Bessel functions | 
| besselJ | Bessel functions | 
| besselK | Bessel functions | 
| besselY | Bessel functions | 
| beta | Beta Function and its Logarithm | 
| bindenv | Binding and Environment Adjustments | 
| bindingIsActive | Binding and Environment Adjustments | 
| bindingIsLocked | Binding and Environment Adjustments | 
| bitwAnd | Bitwise Logical Operations | 
| bitwNot | Bitwise Logical Operations | 
| bitwOr | Bitwise Logical Operations | 
| bitwShiftL | Bitwise Logical Operations | 
| bitwShiftR | Bitwise Logical Operations | 
| bitwXor | Bitwise Logical Operations | 
| bquote | Partial Substitution in Expressions | 
| break | Control Flow | 
| browser | Browse Interactively in a Function's Frame | 
| by | Split a Data Frame and Apply a Function to the Parts | 
| by.data.frame | Split a Data Frame and Apply a Function to the Parts | 
| by.default | Split a Data Frame and Apply a Function to the Parts | 
| bzfile | Functions to Manipulate Connections | 
| C | 
| c | Combine Values into a Vector or List | 
| c.Date | Combine Values into a Vector or List | 
| c.difftime | Time Intervals | 
| c.factor | Combine Values into a Vector or List | 
| c.numeric_version | Numeric Versions | 
| c.POSIXct | Combine Values into a Vector or List | 
| c.POSIXlt | Combine Values into a Vector or List | 
| call | Calling Functions | 
| capabilities | Report Capabilities of This Engine | 
| casefold | Convert Case of Character Strings | 
| cat | Print the Arguments | 
| cbind | Building a Matrix from Columns or Rows | 
| cbind.data.frame | Build Data Frame from Columns | 
| ceiling | Integer Values | 
| char.expand | Expand a String with Respect to a Target Table | 
| character | Character Objects | 
| charmatch | Partial Matching of Character Strings | 
| charToRaw | Convert to or from Raw Vectors | 
| check_tzones | Get the Current Date, Time, or Time Zone | 
| chkDots | Manipulate Ellipsis Arguments | 
| chol | Choleski Decomposition of Symmetric Matrix | 
| chol.default | Choleski Decomposition of Symmetric Matrix | 
| chol2inv | Invert a Matrix Given its Choleski Decomposition | 
| choose | Factorial, Combinations, and Permutations | 
| class | Class Attribute of an Object | 
| clipboard | Functions to Manipulate Connections | 
| close | Functions to Manipulate Connections | 
| close.connection | Functions to Manipulate Connections | 
| col | Column and Row Identification in a Matrix | 
| colMeans | Row and Column Summaries | 
| colnames | Column and Row Names | 
| colnames<- | Column and Row Names | 
| colSums | Row and Column Summaries | 
| Comparison | Comparison Operators | 
| complex | Complex Valued Objects | 
| 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 | 
| Conj | Complex arithmetic | 
| connection | Functions to Manipulate Connections | 
| connections | Functions to Manipulate Connections | 
| Control | Control Flow | 
| cos | Trigonometric Functions | 
| cosh | Hyperbolic Trigonometric Functions | 
| cospi | Trigonometric Functions | 
| crossprod | Matrix Cross Product | 
| cummax | Cumulative Maxima and Minima | 
| cummin | Cumulative Maxima and Minima | 
| cumprod | Cumulative Sums and Products | 
| cumsum | Cumulative Sums and Products | 
| curlGetHeaders | Get HTTP or FTP Headers Using cURL | 
| cut | Create Factor Object from Numeric Vector | 
| cut.Date | Create Factor by Cutting Date or POSIXt Object | 
| cut.default | Create Factor Object from Numeric Vector | 
| cut.POSIXt | Create Factor by Cutting Date or POSIXt Object | 
| D | 
| data.class | Class of an Object | 
| data.frame | Construct a Data Frame | 
| data.matrix | Coerce Data Frame to Numeric Matrix | 
| Date | Get the Current Date, Time, or Time Zone | 
| dcf | Read and Write Data in DCF Format | 
| deparse | Turn a Parsed Expression into Character Form | 
| deparse1 | Turn a Parsed Expression into Character Form | 
| det | Determinant of a Matrix | 
| detach | Detach Data from the Search List | 
| determinant | Determinant of a Matrix | 
| dget | Read or Write a Text Representation of an object | 
| diag | Diagonal Matrices | 
| diff | Create an Object of Differences | 
| diff.Date | Create an Object of Differences | 
| diff.default | Create an Object of Differences | 
| diff.difftime | Time Intervals | 
| diff.POSIXt | Create an Object of Differences | 
| diff.ts | Create an Object of Differences | 
| difftime | Time Intervals | 
| digamma | Gamma Function (and Its Derivatives and Logarithm) | 
| dim | Dim Attribute of an Object | 
| dim<- | Dim Attribute of an Object | 
| dimnames | Dimnames Attribute of an Object | 
| dimnames.data.frame | Dimnames Attribute of an Object | 
| dir | List the Files in a Directory | 
| dir.create | File and Directory Manipulation | 
| dir.exists | File and Directory Manipulation | 
| dirname | Manipulate File Paths | 
| do.call | Execute a Function Call | 
| dontCheck | Return Argument Unaltered | 
| double | Double Precision Objects | 
| dput | Read or Write a Text Representation of an object | 
| dQuote | Quote Text | 
| drop | Drop Length One Dimensions of an Array | 
| dump | Produce Text Representations of Objects | 
| duplicated | Determine Duplicate Elements | 
| duplicated.array | Determine Duplicate Elements | 
| duplicated.data.frame | Determine Duplicate Elements | 
| duplicated.default | Determine Duplicate Elements | 
| duplicated.matrix | Determine Duplicate Elements | 
| duplicated.numeric_version | Numeric Versions | 
| duplicated.POSIXlt | Determine Duplicate Elements | 
| dyn.load | Foreign Function Interface | 
| dyn.unload | Foreign Function Interface | 
| E | 
| eapply | Apply a Function Over Values in an Environment | 
| eigen | Eigenvalues and Eigenvectors of a Matrix | 
| eigen.default | Eigenvalues and Eigenvectors of a Matrix | 
| else | Control Flow | 
| emptyenv | Environment Access | 
| encodeString | Encode Character Vector for Printing | 
| Encoding | String Encodings of a Character Vector | 
| Encoding<- | String Encodings of a Character Vector | 
| endsWith | Does String Start or End With Another String | 
| environment | Environment Access | 
| environment<- | Environment Access | 
| environmentIsLocked | Binding and Environment Adjustments | 
| environmentName | Environment Access | 
| errorCondition | Condition Handling and Recovery | 
| eval | Evaluate an Expression | 
| eval.parent | Evaluate an Expression | 
| evalq | Evaluate an Expression | 
| exists | Determine if an Object is Defined | 
| exp | Exponential and related Functions | 
| expand.grid | Create a Data Frame from All Combinations of Factors | 
| expm1 | Exponential and related Functions | 
| expression | Expression Objects | 
| Extract | Extract or Replace Parts of an Object | 
| extSoftVersion | Report Versions of Third-Party Software | 
| F | 
| factor | Create Factor Object | 
| factorial | Factorial, Combinations, and Permutations | 
| fifo | Functions to Manipulate Connections | 
| file | Functions to Manipulate Connections | 
| file.append | File and Directory Manipulation | 
| file.copy | File and Directory Manipulation | 
| file.create | File and Directory Manipulation | 
| file.exists | File and Directory Manipulation | 
| file.info | Extract File Information | 
| file.link | File and Directory Manipulation | 
| file.mode | Extract File Information | 
| file.mtime | Extract File Information | 
| file.path | Construct Path to File | 
| file.remove | File and Directory Manipulation | 
| file.rename | File and Directory Manipulation | 
| file.show | Display Files | 
| file.size | Extract File Information | 
| file.symlink | File and Directory Manipulation | 
| Filter | Common Higher-Order Functions | 
| Find | Common Higher-Order Functions | 
| findInterval | Find Interval Numbers or Indices | 
| findRestart | Condition Handling and Recovery | 
| floor | Integer Values | 
| flush | Functions to Manipulate Connections | 
| flush.connection | Functions to Manipulate Connections | 
| for | Control Flow | 
| forceAndCall | Call a function with Some Arguments Forced | 
| formals | Access and Manipulate the Formal Arguments | 
| formals<- | Access and Manipulate the Formal Arguments | 
| format | Formatted Character Data | 
| format.data.frame | Formatted Character Data | 
| format.Date | Date-Time Formatting | 
| format.default | Formatted Character Data | 
| format.difftime | Date-Time Formatting | 
| format.factor | Formatted Character Data | 
| format.hexmode | Display Integers in Octal or Hexadecimal | 
| format.octmode | Display Integers in Octal or Hexadecimal | 
| format.POSIXct | Date-Time Formatting | 
| format.POSIXlt | Date-Time Formatting | 
| formatC | Formatting Using C-style Formats | 
| formatDL | Format Description Lists | 
| formula.object | Model Formula Objects | 
| function | The Structure of Expressions | 
| G | 
| gamma | Gamma Function (and Its Derivatives and Logarithm) | 
| gc | Garbage Collection | 
| gcinfo | Garbage Collection | 
| gctorture | Force frequent garbage collections | 
| gctorture2 | Force frequent garbage collections | 
| get | Search for a Named Object | 
| get0 | Determine if an Object is Defined | 
| geterrmessage | Error and Warning Messages | 
| getExportedValue | Get Namespace Environment Information | 
| getHook | Functions to Get and Set Hooks for Load, Attach, Detach and Unload | 
| getLoadedDLLs | Get DLLs Loaded in Current Session | 
| getNamespace | Get Namespace Environment Information | 
| getNamespaceExports | Get Namespace Environment Information | 
| getNamespaceImports | Get Namespace Environment Information | 
| getNamespaceInfo | Access Namespace Environment Information | 
| getNamespaceName | Get Namespace Environment Information | 
| getNamespaceUsers | Get Namespace Environment Information | 
| getNamespaceVersion | Get Namespace Environment Information | 
| getNativeSymbolInfo | Obtain a Description of one or more Native Symbols | 
| getOption | Set or Return Options | 
| getRversion | Numeric Versions | 
| getTaskCallbackNames | Manage Top-Level Task Callbacks | 
| gettext | Translate Text Messages | 
| gettextf | Generate C-Style Formatted Output | 
| getwd | Get or Set Current Working Directory | 
| gl | Generate Patterned Factor | 
| globalCallingHandlers | Condition Handling and Recovery | 
| globalenv | Environment Access | 
| gregexpr | Match Patterns in Strings | 
| grep | Search for a Pattern in Text | 
| grepl | Search for a Pattern in Text | 
| grepRaw | Pattern Matching for Raw Vectors | 
| grouping | Grouping Permutation | 
| gsub | Replace Part of a Character String | 
| gzfile | Functions to Manipulate Connections | 
| H | 
| hasName | Names Attribute of an Object | 
| hexmode | Display Integers in Octal or Hexadecimal | 
| I | 
| I | Inhibit Interpretation/Conversion of Objects | 
| iconv | Convert Character Vector between Encodings | 
| iconvlist | Convert Character Vector between Encodings | 
| identical | Test for Complete Equality | 
| identity | Return Argument Unaltered | 
| if | Control Flow | 
| ifelse | Conditional Data Selection | 
| Im | Complex arithmetic | 
| in | Control Flow | 
| infoRDS | RDS File Details | 
| inherits | Test Inheritance of an Object | 
| integer | Integer Objects | 
| interaction | Compute the Interaction of Several Factors | 
| interactive | Test For Interactive Execution | 
| intersect | Set Operations | 
| intToBits | Convert to or from Raw Vectors | 
| inverse.rle | Run Length Encoding and Decoding | 
| invisible | Mark Value as Non-Printing | 
| invokeRestart | Condition Handling and Recovery | 
| invokeRestartInteractively | Condition Handling and Recovery | 
| is.array | Multi-Way Arrays | 
| is.atomic | Test for Atomic or Recursive Objects | 
| is.call | Calling Functions | 
| is.character | Character Objects | 
| is.complex | Complex Valued Objects | 
| is.data.frame | Construct a Data Frame | 
| is.double | Double Precision Objects | 
| is.element | Set Operations | 
| is.environment | Environment Access | 
| is.expression | Expression Objects | 
| is.factor | Create Factor Object | 
| is.finite | Check IEEE Arithmetic Values | 
| is.function | Function Objects | 
| is.infinite | Check IEEE Arithmetic Values | 
| is.integer | Integer Objects | 
| is.language | Test for Atomic or Recursive Objects | 
| is.list | List Objects | 
| is.loaded | Foreign Function Interface | 
| is.logical | Logical Objects | 
| is.matrix | Matrix Objects | 
| is.na | Not Available / Missing Values | 
| is.na.data.frame | Not Available / Missing Values | 
| is.na.POSIXlt | Not Available / Missing Values | 
| is.na<- | Not Available / Missing Values | 
| is.na<-.default | Not Available / Missing Values | 
| is.na<-.factor | Not Available / Missing Values | 
| is.name | Names and Symbols | 
| is.nan | Check IEEE Arithmetic Values | 
| is.null | The Null Object | 
| is.numeric | Numeric Objects | 
| is.numeric.Date | Numeric Objects | 
| is.numeric.difftime | Numeric Objects | 
| is.numeric.POSIXt | Numeric Objects | 
| is.numeric_version | Numeric Versions | 
| is.object | Test if an Object has a Class Attribute | 
| is.ordered | Create an Ordered factor Object | 
| is.package_version | Numeric Versions | 
| is.qr | QR Matrix Decomposition | 
| is.R | Test If Running Under an R Compatible Engine | 
| is.raw | Create a Raw Vector | 
| is.recursive | Test for Atomic or Recursive Objects | 
| is.single | Single Precision Objects | 
| is.symbol | Names and Symbols | 
| is.table | Create a Contingency Table from Factors | 
| is.vector | Vectors (Simple Objects) | 
| isatty | Functions to Manipulate Connections | 
| isBaseNamespace | Check if an Environment is a (base) Namespace Environment | 
| isFALSE | Test for the Value TRUE or FALSE | 
| isIncomplete | Functions to Manipulate Connections | 
| isNamespace | Check if an Environment is a (base) Namespace Environment | 
| isNamespaceLoaded | Loading and Unloading Namespaces | 
| ISOdate | Construct Date-time from Broken-down Time | 
| ISOdatetime | Construct Date-time from Broken-down Time | 
| isOpen | Functions to Manipulate Connections | 
| isRestart | Condition Handling and Recovery | 
| isSymmetric | Test if an Object is Symmetric | 
| isSymmetric.matrix | Test if an Object is Symmetric | 
| isTRUE | Test for the Value TRUE or FALSE | 
| J | 
| julian | Extract Parts of a Date or POSIXt Object | 
| julian.Date | Extract Parts of a Date or POSIXt Object | 
| julian.POSIXt | Extract Parts of a Date or POSIXt Object | 
| K | 
| kappa | Compute the Exact or Estimated Condition Number | 
| kappa.default | Compute the Exact or Estimated Condition Number | 
| kappa.lm | Compute the Exact or Estimated Condition Number | 
| kappa.qr | Compute the Exact or Estimated Condition Number | 
| kronecker | Generalized Kronecker Products | 
| L | 
| l10n_info | Localization Information | 
| La.svd | Singular Value Decomposition of a Matrix | 
| labels | Labels for Printing | 
| labels.default | Labels for Printing | 
| labels.dist | Labels for Printing | 
| labels.glm | Labels for Printing | 
| labels.lm | Labels for Printing | 
| labels.terms | Labels for Printing | 
| lapply | Apply a Function to Components of a List or Vector | 
| lbeta | Beta Function and its Logarithm | 
| lchoose | Factorial, Combinations, and Permutations | 
| length | Length of a Vector or List | 
| length.POSIXlt | Length of a Vector or List | 
| length<-.factor | Set Length of a factor | 
| lengths | Length of a Vector or List | 
| LETTERS | Built-in Constants | 
| levels | Get Or Set Levels Attribute | 
| lfactorial | Factorial, Combinations, and Permutations | 
| lgamma | Gamma Function (and Its Derivatives and Logarithm) | 
| libcurlVersion | Return the version of the cURL library in use | 
| library | Load and List Packages | 
| library.dynam | Loading DLLs from Packages | 
| library.dynam.unload | Loading DLLs from Packages | 
| list | List Objects | 
| list.dirs | List the Files in a Directory | 
| list.files | List the Files in a Directory | 
| list2DF | Quickly Make Data.frame From List of Vectors | 
| load | Reload Saved Datasets | 
| loadedNamespaces | Loading and Unloading Namespaces | 
| loadNamespace | Loading and Unloading Namespaces | 
| local | Evaluate an Expression | 
| lockBinding | Binding and Environment Adjustments | 
| lockEnvironment | Binding and Environment Adjustments | 
| log | Exponential and related Functions | 
| log10 | Exponential and related Functions | 
| log1p | Exponential and related Functions | 
| log2 | Exponential and related Functions | 
| logb | Exponential and related Functions | 
| Logic | Logical Operators | 
| logical | Logical Objects | 
| lower.tri | Logical Matrix of the Lower or Upper Triangle | 
| ls | Retrive a List of Objects | 
| M | 
| make.names | Make Character Strings into Legal Names | 
| make.unique | Make Character Strings Unique | 
| makeActiveBinding | Binding and Environment Adjustments | 
| Map | Common Higher-Order Functions | 
| mapply | Apply a Function to Multiple List or Vector Arguments | 
| margin.table | Compute Table Margin | 
| marginSums | Compute Table Margin | 
| mat.or.vec | Create a Matrix or a Vector | 
| match | Match Items against a Table | 
| match.arg | Verify an Argument Using Partial Matching | 
| match.call | Argument Matching | 
| match.fun | Function Verification for "Function Variables" | 
| Math.data.frame | Math Group Method for Data Frame Objects | 
| Math.Date | Math Group Method for Date/Time Objects | 
| Math.difftime | Math Group Method for Date/Time Objects | 
| Math.factor | Math Group Method for Factor Objects | 
| Math.POSIXt | Math Group Method for Date/Time Objects | 
| matmult | Matrix Multiplication | 
| matrix | Matrix Objects | 
| max | Extremes | 
| mean | Mean Value (Arithmetic Average) | 
| mean.data.frame | Mean Value (Arithmetic Average) | 
| mean.Date | Mean Value (Arithmetic Average) | 
| mean.default | Mean Value (Arithmetic Average) | 
| mean.difftime | Mean Value (Arithmetic Average) | 
| mean.POSIXct | Mean Value (Arithmetic Average) | 
| mean.POSIXlt | Mean Value (Arithmetic Average) | 
| memCompress | In-memory Compression and Decompression | 
| memDecompress | In-memory Compression and Decompression | 
| merge | Merge Two Datasets and Match Columns | 
| merge.data.frame | Merge Two Datasets and Match Columns | 
| merge.default | Merge Two Datasets and Match Columns | 
| message | Diagnostic Messages | 
| mget | Search for a Named Object | 
| min | Extremes | 
| missing | Check for Missing Arguments | 
| Mod | Complex arithmetic | 
| mode | Data Mode of the Values in a Vector | 
| month.abb | Built-in Constants | 
| month.name | Built-in Constants | 
| months | Extract Parts of a Date or POSIXt Object | 
| months.Date | Extract Parts of a Date or POSIXt Object | 
| months.POSIXt | Extract Parts of a Date or POSIXt Object | 
| mostattributes<- | All Attributes of an Object | 
| N | 
| NA | Not Available / Missing Values | 
| NA_character_ | Not Available / Missing Values | 
| NA_complex_ | Not Available / Missing Values | 
| NA_integer_ | Not Available / Missing Values | 
| NA_real_ | Not Available / Missing Values | 
| name | Names and Symbols | 
| names | Names Attribute of an Object | 
| names.POSIXlt | Names Attribute of an Object | 
| names<- | Names Attribute of an Object | 
| names<-.POSIXlt | Names Attribute of an Object | 
| NaN | Not Available / Missing Values | 
| nargs | Number of Arguments to Function | 
| NativeSymbol | Obtain a Description of one or more Native Symbols | 
| NativeSymbolInfo | Obtain a Description of one or more Native Symbols | 
| nchar | Lengths of Character Strings | 
| ncol | Get the Number of Rows or Columns of an Array or Matrix | 
| Negate | Common Higher-Order Functions | 
| new.env | Environment Access | 
| next | Control Flow | 
| NextMethod | Methods Invoked from Functions | 
| ngettext | Translate Text Messages | 
| nlevels | Number of Levels of a factor Object | 
| noquote | Remove Quotation Marks from a String | 
| norm | Compute the Norm of a Matrix | 
| normalizePath | Express File Paths in Canonical Form | 
| nrow | Get the Number of Rows or Columns of an Array or Matrix | 
| NULL | The Null Object | 
| nullfile | Name the null file | 
| numeric | Numeric Objects | 
| numeric_version | Numeric Versions | 
| numToBits | Convert to or from Raw Vectors | 
| numToInts | Convert to or from Raw Vectors | 
| nzchar | Lengths of Character Strings | 
| O | 
| objects | Retrive a List of Objects | 
| octmode | Display Integers in Octal or Hexadecimal | 
| OlsonNames | Time Zones | 
| on.exit | Exit Expression For a Function | 
| open | Functions to Manipulate Connections | 
| open.connection | Functions to Manipulate Connections | 
| Ops.data.frame | Ops Group Method for Data Frame Objects | 
| Ops.Date | Ops Group Method for Date/Time Objects | 
| Ops.difftime | Ops Group Method for Date/Time Objects | 
| Ops.factor | Operations for Factors and Ordered Factors | 
| Ops.numeric_version | Numeric Versions | 
| Ops.ordered | Operations for Factors and Ordered Factors | 
| Ops.POSIXt | Ops Group Method for Date/Time Objects | 
| options | Set or Return Options | 
| order | Vector of Indices That Sort Data | 
| ordered | Create an Ordered factor Object | 
| outer | Generalized Outer Products | 
| P | 
| package_version | Numeric Versions | 
| packageEvent | Functions to Get and Set Hooks for Load, Attach, Detach and Unload | 
| packageStartupMessage | Diagnostic Messages | 
| packBits | Convert to or from Raw Vectors | 
| parent.env | Environment Access | 
| parent.env<- | Environment Access | 
| parent.frame | Get the System Evaluator State | 
| parse | Parse Expressions | 
| paste | Concatenate Data to Make Character Data | 
| paste0 | Concatenate Data to Make Character Data | 
| path.expand | Expand ~ in File Paths | 
| pi | Built-in Constants | 
| pipe | Functions to Manipulate Connections | 
| pmatch | Partial Matching of Character Items in a Vector | 
| pmax | Parallel Maximum or Minimum | 
| pmax.int | Parallel Maximum or Minimum | 
| pmin | Parallel Maximum or Minimum | 
| pmin.int | Parallel Maximum or Minimum | 
| polyroot | Find the Roots of a Polynomial | 
| pos.to.env | Convert Positions in the Search Path to Environments | 
| Position | Common Higher-Order Functions | 
| POSIXct | Date-Time Classes | 
| POSIXlt | Date-Time Classes | 
| POSIXt | Date-Time Classes | 
| prettyNum | Formatting Using C-style Formats | 
| print | Print Data - Generic function | 
| print.condition | Condition Handling and Recovery | 
| print.connection | Functions to Manipulate Connections | 
| print.data.frame | Print a Data Frame Object | 
| print.Date | Date Class | 
| print.default | Print Data | 
| print.difftime | Time Intervals | 
| print.DLLInfo | Get DLLs Loaded in Current Session | 
| print.DLLInfoList | Get DLLs Loaded in Current Session | 
| print.factor | Use print on a factor Object | 
| print.hexmode | Display Integers in Octal or Hexadecimal | 
| print.listof | Print a listof Object | 
| print.numeric_version | Numeric Versions | 
| print.octmode | Display Integers in Octal or Hexadecimal | 
| print.POSIXct | Date-Time Classes | 
| print.POSIXlt | Date-Time Classes | 
| print.restart | Condition Handling and Recovery | 
| print.rle | Run Length Encoding and Decoding | 
| print.summary.table | Summary of a table Object | 
| print.table | Print a table Object | 
| proc.time | Running Time of Spotfire Enterprise Runtime for R | 
| prod | Sums and Products | 
| prop.table | Express Table Entries as Fraction of Marginal Table | 
| proportions | Express Table Entries as Fraction of Marginal Table | 
| provideDimnames | Dimnames Attribute of an Object | 
| psigamma | Gamma Function (and Its Derivatives and Logarithm) | 
| Q | 
| q | Quit From Spotfire Enterprise Runtime for R | 
| qr | QR Matrix Decomposition | 
| qr.coef | Use a QR Matrix Decomposition | 
| qr.default | QR Matrix Decomposition | 
| qr.fitted | Use a QR Matrix Decomposition | 
| qr.lm | QR Matrix Decomposition | 
| qr.Q | Reconstruct the Q, R, or X Matrices from a QR Object | 
| qr.qty | Use a QR Matrix Decomposition | 
| qr.qy | Use a QR Matrix Decomposition | 
| qr.R | Reconstruct the Q, R, or X Matrices from a QR Object | 
| qr.resid | Use a QR Matrix Decomposition | 
| qr.solve | Use a QR Matrix Decomposition | 
| qr.X | Reconstruct the Q, R, or X Matrices from a QR Object | 
| quarters | Extract Parts of a Date or POSIXt Object | 
| quarters.Date | Extract Parts of a Date or POSIXt Object | 
| quarters.POSIXt | Extract Parts of a Date or POSIXt Object | 
| quit | Quit From Spotfire Enterprise Runtime for R | 
| R | 
| R.home | Paths to Files in the Spotfire Enterprise Runtime for R Installation | 
| R.version | Version Information | 
| R.version.string | Version Information | 
| R_system_version | Numeric Versions | 
| range | Get the Range of Data | 
| rank | Ranks of Data | 
| rapply | Apply a Function Recursively | 
| raw | Create a Raw Vector | 
| rawShift | Convert to or from Raw Vectors | 
| rawToBits | Convert to or from Raw Vectors | 
| rawToChar | Convert to or from Raw Vectors | 
| rbind | Building a Matrix from Columns or Rows | 
| rbind.data.frame | Create a Data Frame from Rows | 
| Re | Complex arithmetic | 
| read.dcf | Read and Write Data in DCF Format | 
| readBin | Read and Write Binary Data | 
| readChar | Transfer Character Strings To and From Connections | 
| readline | Read a Line from the Terminal | 
| readLines | Read or Write Multiple Lines from or to a Connection | 
| readRDS | Serialization Interface for Single Objects | 
| Recall | Recursive Call of the Current Function | 
| Reduce | Common Higher-Order Functions | 
| reg.finalizer | Finalization of Objects | 
| regexec | Search for a Pattern in Text | 
| regexpr | Match Patterns in Strings | 
| RegisteredNativeSymbol | Obtain a Description of one or more Native Symbols | 
| registerS3method | Register S3 methods | 
| registerS3methods | Register S3 methods | 
| regmatches | Extract or Replace Matched Substrings | 
| regmatches<- | Extract or Replace Matched Substrings | 
| remove | Remove Objects from a Specified Environment | 
| removeTaskCallback | Manage Top-Level Task Callbacks | 
| rep | Replicate Data Values | 
| rep.Date | Replicate Data Values | 
| rep.default | Replicate Data Values | 
| rep.factor | Replicate Data Values | 
| rep.int | Replicate Data Values | 
| rep.numeric_version | Numeric Versions | 
| rep.POSIXct | Replicate Data Values | 
| rep.POSIXlt | Replicate Data Values | 
| rep_len | Replicate Data Values | 
| repeat | Control Flow | 
| replace | Insert or Merge Data | 
| require | Load and List Packages | 
| requireNamespace | Loading and Unloading Namespaces | 
| restartDescription | Condition Handling and Recovery | 
| restartFormals | Condition Handling and Recovery | 
| return | The Structure of Expressions | 
| returnValue | Tracing and Debugging of Calls to Functions | 
| rev | Reverse the Order of an Object | 
| rev.default | Reverse the Order of an Object | 
| rle | Run Length Encoding and Decoding | 
| rm | Remove Objects from a Specified Environment | 
| RNG | Control Random Number Generator | 
| RNGkind | Control Random Number Generator | 
| RNGversion | Control Random Number Generator | 
| round | Rounding Functions | 
| round.Date | Math Group Method for Date/Time Objects | 
| round.POSIXt | Math Group Method for Date/Time Objects | 
| row | Column and Row Identification in a Matrix | 
| row.names | Row Names Attribute | 
| row.names.data.frame | Row Names Attribute | 
| row.names<- | Row Names Attribute | 
| row.names<-.data.frame | Row Names Attribute | 
| rowMeans | Row and Column Summaries | 
| rownames | Column and Row Names | 
| rownames<- | Column and Row Names | 
| rowsum | Group Row Sums of a Matrix | 
| rowsum.data.frame | Use rowsum() on a data frame object | 
| rowsum.default | Group Row Sums of a Matrix | 
| rowSums | Row and Column Summaries | 
| S | 
| sample | Generate Random Samples or Permutations of Data | 
| sample.int | Generate Random Samples or Permutations of Data | 
| sapply | Apply a Function to Components of a List or Vector | 
| save | Save Objects | 
| save.image | Save Objects | 
| saveRDS | Serialization Interface for Single Objects | 
| scale | Scale Columns of a Matrix | 
| scale.default | Scale Columns of a Matrix | 
| scan | Input Data from a File or Connection | 
| search | Search List | 
| searchpaths | Search List | 
| seq | Generate a Sequence | 
| seq.Date | Sequences of Date-Times | 
| seq.default | Generate a Sequence | 
| seq.int | Generate a Sequence | 
| seq.POSIXt | Sequences of Date-Times | 
| seq_along | Generate a Sequence | 
| seq_len | Generate a Sequence | 
| sequence | Create A Vector of Sequences | 
| serialize | Simple Serialization Interface | 
| set.seed | Control Random Number Generator | 
| setdiff | Set Operations | 
| setequal | Set Operations | 
| setHook | Functions to Get and Set Hooks for Load, Attach, Detach and Unload | 
| setNamespaceInfo | Access Namespace Environment Information | 
| setwd | Get or Set Current Working Directory | 
| shell | Invoke a System Command Using a Shell | 
| shQuote | Quote Strings for Use in OS Shells | 
| sign | Signum Function | 
| signalCondition | Condition Handling and Recovery | 
| signif | Rounding Functions | 
| simpleCondition | Condition Handling and Recovery | 
| simpleError | Condition Handling and Recovery | 
| simpleMessage | Condition Handling and Recovery | 
| simpleWarning | Condition Handling and Recovery | 
| simplify2array | Apply a Function to Components of a List or Vector | 
| sin | Trigonometric Functions | 
| single | Single Precision Objects | 
| sinh | Hyperbolic Trigonometric Functions | 
| sink | Send Output to a File | 
| sink.number | Send Output to a File | 
| sinpi | Trigonometric Functions | 
| sleep | Sleep for a Specified Period | 
| slice.index | Slice Identification in an Array | 
| socketConnection | Functions to Manipulate Connections | 
| solve | Solve Linear Equations and Invert Matrices | 
| solve.default | Solve Linear Equations and Invert Matrices | 
| solve.qr | Solve Linear Equations and Invert Matrices | 
| sort | Sort into Numeric or Alphabetic Order | 
| sort.default | Sort into Numeric or Alphabetic Order | 
| sort.int | Sort into Numeric or Alphabetic Order | 
| sort.list | Vector of Indices That Sort Data | 
| sort.POSIXlt | Sort into Numeric or Alphabetic Order | 
| source | Read Expressions from a File or a Connection | 
| split | Split Data by Groups | 
| split.data.frame | Split Data by Groups | 
| split.Date | Split Data by Groups | 
| split.default | Split Data by Groups | 
| split.POSIXct | Split Data by Groups | 
| split<- | Split Data by Groups | 
| split<-.data.frame | Split Data by Groups | 
| split<-.default | Split Data by Groups | 
| sprintf | Generate C-Style Formatted Output | 
| sqrt | Exponential and related Functions | 
| sQuote | Quote Text | 
| startsWith | Does String Start or End With Another String | 
| Startup | Customization at Start of a Spotfire Enterprise Runtime for R Session | 
| stderr | Functions to Manipulate Connections | 
| stdin | Functions to Manipulate Connections | 
| stdout | Functions to Manipulate Connections | 
| stop | Error and Warning Messages | 
| stopifnot | Stop if Not All True | 
| storage.mode | Data Mode of the Values in a Vector | 
| str2expression | Parse Expressions | 
| str2lang | Parse Expressions | 
| strftime | Date-Time Formatting | 
| strptime | Date-Time Parsing | 
| strrep | Expand the Strings in Character Vector by Repetition | 
| strsplit | Split the Elements of a Character Vector | 
| structure | An Object with Given Attributes | 
| strwrap | Wrap Character Strings for Paragraph Formatting | 
| sub | Replace Part of a Character String | 
| Subscript | Extract or Replace Parts of an Object | 
| Subscript.data.frame | Extract or Replace Parts of an Object | 
| Subscript.factor | Extract or Replace Parts of an Object | 
| subset | Subsetting Vectors, Matrices and Data Frames | 
| subset.data.frame | Subsetting Vectors, Matrices and Data Frames | 
| subset.default | Subsetting Vectors, Matrices and Data Frames | 
| subset.matrix | Subsetting Vectors, Matrices and Data Frames | 
| substitute | Substitute in an Expression | 
| substr | Extract or Replace Portions of Character Strings | 
| substr<- | Extract or Replace Portions of Character Strings | 
| substring | Extract or Replace Portions of Character Strings | 
| substring<- | Extract or Replace Portions of Character Strings | 
| sum | Sums and Products | 
| Summary | Summarize an Object - Generic Function | 
| summary.connection | Functions to Manipulate Connections | 
| Summary.data.frame | Summary of a Data Frame Object | 
| Summary.Date | Summarize an Object - Generic Function | 
| summary.default | Default Summary Method | 
| Summary.difftime | Summary Group Method for Date/Time Objects | 
| Summary.factor | Use summary() on a factor Object | 
| summary.matrix | Summary of a Data Frame Object | 
| Summary.numeric_version | Numeric Versions | 
| Summary.ordered | Summary Group Generic Function and Group Method | 
| Summary.POSIXct | Summarize an Object - Generic Function | 
| Summary.POSIXlt | Summarize an Object - Generic Function | 
| summary.table | Summary of a table Object | 
| suppressMessages | Diagnostic Messages | 
| suppressPackageStartupMessages | Diagnostic Messages | 
| suppressUnimplementedGraphicsWarnings | Error and Warning Messages | 
| suppressWarnings | Error and Warning Messages | 
| suspendInterrupts | Disable or Enable User Interrupts | 
| svd | Singular Value Decomposition of a Matrix | 
| sweep | Sweep Out Array Summaries | 
| switch | Evaluate One of Several Expressions | 
| Syntax | The Structure of Expressions | 
| sys.call | Get the System Evaluator State | 
| sys.calls | Get the System Evaluator State | 
| Sys.Date | Get the Current Date, Time, or Time Zone | 
| sys.frame | Get the System Evaluator State | 
| sys.frames | Get the System Evaluator State | 
| sys.function | Get the System Evaluator State | 
| Sys.getenv | Get Environment Variables | 
| Sys.getlocale | Set or Get Locale-Specific Information | 
| Sys.glob | Wildcard Expansion on File Paths | 
| Sys.info | Extract System and User Information | 
| Sys.localeconv | Set or Get Locale-Specific Information | 
| sys.nframe | Get the System Evaluator State | 
| sys.on.exit | Get the System Evaluator State | 
| sys.parent | Get the System Evaluator State | 
| sys.parents | Get the System Evaluator State | 
| Sys.readlink | File and Directory Manipulation | 
| Sys.setenv | Set or Unset Environment Variables | 
| Sys.setlocale | Set or Get Locale-Specific Information | 
| Sys.sleep | Sleep for a Specified Period | 
| sys.status | Get the System Evaluator State | 
| Sys.time | Get the Current Date, Time, or Time Zone | 
| Sys.timezone | Get the Current Date, Time, or Time Zone | 
| Sys.unsetenv | Set or Unset Environment Variables | 
| system | Invoke a System Command | 
| system.time | CPU Time Used | 
| T | 
| t | Transpose a Matrix | 
| t.default | Transpose a Matrix | 
| table | Create a Contingency Table from Factors | 
| tabulate | Count Entries in Bins | 
| tan | Trigonometric Functions | 
| tanh | Hyperbolic Trigonometric Functions | 
| tanpi | Trigonometric Functions | 
| tapply | Apply a Function to a Ragged Array | 
| taskCallbackManager | Create an R-level task callback manager | 
| tcrossprod | Matrix Cross Product | 
| tempdir | Create Unique Names for Files | 
| tempfile | Create Unique Names for Files | 
| TERR_ENVIRON | Customization at Start of a Spotfire Enterprise Runtime for R Session | 
| TERR_ENVIRON_USER | Customization at Start of a Spotfire Enterprise Runtime for R Session | 
| TERR_LIBS | Search Paths for Packages | 
| TERR_LIBS_SITE | Search Paths for Packages | 
| TERR_LIBS_USER | Search Paths for Packages | 
| TERR_PROFILE | Customization at Start of a Spotfire Enterprise Runtime for R Session | 
| TERR_PROFILE_USER | Customization at Start of a Spotfire Enterprise Runtime for R Session | 
| TERRenviron.site | Customization at Start of a Spotfire Enterprise Runtime for R Session | 
| TERRprofile | Customization at Start of a Spotfire Enterprise Runtime for R Session | 
| TERRprofile.site | Customization at Start of a Spotfire Enterprise Runtime for R Session | 
| textConnection | Text Connections | 
| textConnectionValue | Text Connections | 
| timezone | Time Zones | 
| timezones | Time Zones | 
| tolower | Convert Case of Character Strings | 
| topenv | Top-Level Environment | 
| toupper | Convert Case of Character Strings | 
| trace | Tracing and Debugging of Calls to Functions | 
| traceback | Print Call Stack After Error | 
| transform | Transform an Object to a Data Frame Object | 
| transform.data.frame | Transform an Object to a Data Frame Object | 
| transform.default | Transform an Object to a Data Frame Object | 
| trig | Trigonometric Functions | 
| trigamma | Gamma Function (and Its Derivatives and Logarithm) | 
| trimws | Remove leading or trailing white space | 
| trunc | Integer Values | 
| trunc.Date | Math Group Method for Date/Time Objects | 
| trunc.POSIXt | Math Group Method for Date/Time Objects | 
| try | Continue after errors | 
| tryCatch | Condition Handling and Recovery | 
| tryInvokeRestart | Condition Handling and Recovery | 
| type | The Type of an Object | 
| typeof | The Type of an Object | 
| U | 
| unclass | Class Attribute of an Object | 
| unimplementedStop | Functions for Handling Unimplemented Functions and Arguments | 
| unimplementedWarning | Functions for Handling Unimplemented Functions and Arguments | 
| union | Set Operations | 
| unique | Unique Values | 
| unique.array | Unique Values | 
| unique.data.frame | Unique Values | 
| unique.default | Unique Values | 
| unique.matrix | Unique Values | 
| unique.numeric_version | Numeric Versions | 
| unique.POSIXlt | Unique Values | 
| units | Units for Time Intervals | 
| units.difftime | Units for Time Intervals | 
| units<- | Units for Time Intervals | 
| units<-.difftime | Units for Time Intervals | 
| unix.time | CPU Time Used | 
| unlink | Remove Files and Directories | 
| unlist | Simplify the Structure of a List | 
| unloadNamespace | Loading and Unloading Namespaces | 
| unlockBinding | Binding and Environment Adjustments | 
| unname | Remove "names" or "dimnames" | 
| unserialize | Simple Serialization Interface | 
| unsplit | Split Data by Groups | 
| untrace | Tracing and Debugging of Calls to Functions | 
| unz | Functions to Manipulate Connections | 
| upper.tri | Logical Matrix of the Lower or Upper Triangle | 
| url | Functions to Manipulate Connections | 
| UseMethod | Methods Invoked from Functions | 
| V | 
| validEnc | Check if a Character Vector is Validly Encoded | 
| validUTF8 | Check if a Character Vector is Validly Encoded | 
| vapply | Apply a Function to Components of a List or Vector | 
| vector | Vectors (Simple Objects) | 
| Vectorize | Apply a Function to Multiple List or Vector Arguments | 
| version | Version Information | 
| W | 
| warning | Error and Warning Messages | 
| warningCondition | Condition Handling and Recovery | 
| warnings | Saved Warning Messages | 
| weekdays | Extract Parts of a Date or POSIXt Object | 
| weekdays.Date | Extract Parts of a Date or POSIXt Object | 
| weekdays.POSIXt | Extract Parts of a Date or POSIXt Object | 
| which | Find TRUE Values | 
| which.max | Find the Index of the Minimum or Maximum Value | 
| which.min | Find the Index of the Minimum or Maximum Value | 
| while | Control Flow | 
| with | Evaluates an expression in a given context | 
| with.default | Evaluates an expression in a given context | 
| withAutoprint | Read Expressions from a File or a Connection | 
| withCallingHandlers | Condition Handling and Recovery | 
| within | Evaluates an expression in a given context | 
| within.data.frame | Evaluates an expression in a given context | 
| within.list | Evaluates an expression in a given context | 
| withRestarts | Condition Handling and Recovery | 
| write | Write Data to ASCII File | 
| write.dcf | Read and Write Data in DCF Format | 
| writeBin | Read and Write Binary Data | 
| writeChar | Transfer Character Strings To and From Connections | 
| writeLines | Read or Write Multiple Lines from or to a Connection | 
| X | 
| xor | Logical Operators | 
| xtfrm | Auxiliary Function for Sorting and Ranking | 
| xtfrm.AsIs | Auxiliary Function for Sorting and Ranking | 
| xtfrm.Date | Auxiliary Function for Sorting and Ranking | 
| xtfrm.default | Auxiliary Function for Sorting and Ranking | 
| xtfrm.difftime | Auxiliary Function for Sorting and Ranking | 
| xtfrm.factor | Auxiliary Function for Sorting and Ranking | 
| xtfrm.numeric_version | Numeric Versions | 
| xtfrm.POSIXct | Auxiliary Function for Sorting and Ranking | 
| xtfrm.POSIXlt | Auxiliary Function for Sorting and Ranking | 
| xtfrm.Surv | Auxiliary Function for Sorting and Ranking | 
| xzfile | Functions to Manipulate Connections | 
| Z | 
| zapsmall | Coerce Small Numbers to Zero for Printing |