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.Call                   Modern Interfaces to C/C++ code
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.Device                 Lists of Open/Active Graphics Devices
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.Internal               Call an Internal Function
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.Last.value             Value of Last Evaluated Expression
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.Library                Search Paths for Packages
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.Machine                Numerical Characteristics of the Machine
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.Platform               Platform Specific Variables
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.Primitive              Look Up a Primitive Function
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.bincode                Bin a Numeric Vector
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.deparseOpts            Options for Expression Deparsing
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.onLoad                 Hooks for Namespace Events
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.packages               Listing of Packages
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.standard_regexps       Miscellaneous Internal/Programming Utilities
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:                       Colon Operator
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::                      Double Colon and Triple Colon Operators
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@                       Extract or Replace A Slot
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Arithmetic              Arithmetic Operators
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AsIs                    Inhibit Interpretation/Conversion of Objects
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Bessel                  Bessel Functions
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Comparison              Relational Operators
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Constants               Built-in Constants
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Control                 Control Flow
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Cstack_info             Report Information on C Stack Size and Usage
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DateTimeClasses         Date-Time Classes
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Dates                   Date Class
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Defunct                 Marking Objects as Defunct
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Deprecated              Marking Objects as Deprecated
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Encoding                Read or Set the Declared Encodings for a
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                        Character Vector
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Extract                 Extract or Replace Parts of an Object
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Filter                  Common Higher-Order Functions in Functional
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                        Programming Languages
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Foreign                 Foreign Function Interface
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ISOdatetime             Date-time Conversion Functions from Numeric
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                        Representations
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InternalMethods         Internal Generic Functions
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La_version              LAPACK version
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Logic                   Logical Operators
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Memory                  Memory Available for Data Storage
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Memory-limits           Memory Limits in R
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NA                      'Not Available' / Missing Values
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NULL                    The Null Object
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NotYetImplemented       Not Yet Implemented Functions and Unused
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                        Arguments
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NumericConstants        Numeric Constants
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Ops.Date                Operators on the Date Class
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Paren                   Parentheses and Braces
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Quotes                  Quotes
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R.Version               Version Information
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R.home                  Return the R Home Directory
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Random                  Random Number Generation
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Random.user             User-supplied Random Number Generation
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Rdconv                  Utilities for Processing Rd Files
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Recall                  Recursive Calling
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Reserved                Reserved Words in R
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Special                 Special Functions of Mathematics
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Startup                 Initialization at Start of an R Session
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Syntax                  Operator Syntax and Precedence
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Sys.getenv              Get Environment Variables
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Sys.getpid              Get the Process ID of the R Session
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Sys.glob                Wildcard Expansion on File Paths
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Sys.info                Extract System and User Information
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Sys.localeconv          Find Details of the Numerical and Monetary
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                        Representations in the Current Locale
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Sys.readlink            Read File Symbolic Links
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Sys.setFileTime         Set File Time
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Sys.setenv              Set or Unset Environment Variables
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Sys.sleep               Suspend Execution for a Time Interval
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Sys.time                Get Current Date and Time
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Sys.which               Find Full Paths to Executables
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Trig                    Trigonometric Functions
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UseMethod               Class Methods
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Vectorize               Vectorize a Scalar Function
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[.data.frame            Extract or Replace Parts of a Data Frame
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[.factor                Extract or Replace Parts of a Factor
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abbreviate              Abbreviate Strings
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abs                     Miscellaneous Mathematical Functions
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addTaskCallback         Add or Remove a Top-Level Task Callback
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agrep                   Approximate String Matching (Fuzzy Matching)
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all                     Are All Values True?
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all.equal               Test if Two Objects are (Nearly) Equal
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all.names               Find All Names in an Expression
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any                     Are Some Values True?
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aperm                   Array Transposition
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append                  Vector Merging
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apply                   Apply Functions Over Array Margins
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args                    Argument List of a Function
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array                   Multi-way Arrays
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as.Date                 Date Conversion Functions to and from Character
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as.POSIXct              Date-time Conversion Functions
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as.data.frame           Coerce to a Data Frame
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as.environment          Coerce to an Environment Object
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as.function             Convert Object to Function
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assign                  Assign a Value to a Name
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assignOps               Assignment Operators
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attach                  Attach Set of R Objects to Search Path
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attachNamespace         Loading and Unloading Name Spaces
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attr                    Object Attributes
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attributes              Object Attribute Lists
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autoload                On-demand Loading of Packages
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backsolve               Solve an Upper or Lower Triangular System
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base-package            The R Base Package
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basename                Manipulate File Paths
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bindenv                 Binding and Environment Locking, Active
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                        Bindings
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bitwNot                 Bitwise Logical Operations
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body                    Access to and Manipulation of the Body of a
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                        Function
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bquote                  Partial substitution in expressions
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browser                 Environment Browser
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browserText             Functions to Retrieve Values Supplied by Calls
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                        to the Browser
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builtins                Returns the Names of All Built-in Objects
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by                      Apply a Function to a Data Frame Split by
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                        Factors
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c                       Combine Values into a Vector or List
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call                    Function Calls
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callCC                  Call With Current Continuation
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capabilities            Report Capabilities of this Build of R
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cat                     Concatenate and Print
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cbind                   Combine R Objects by Rows or Columns
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ceiling                 Rounding of Numbers
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char.expand             Expand a String with Respect to a Target Table
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charToRaw               Convert to or from Raw Vectors
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character               Character Vectors
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charmatch               Partial String Matching
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chartr                  Character Translation and Casefolding
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chol                    The Choleski Decomposition
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chol2inv                Inverse from Choleski (or QR) Decomposition
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class                   Object Classes
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col                     Column Indexes
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colSums                 Form Row and Column Sums and Means
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commandArgs             Extract Command Line Arguments
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comment                 Query or Set a '"comment"' Attribute
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complex                 Complex Vectors
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conditions              Condition Handling and Recovery
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conflicts               Search for Masked Objects on the Search Path
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connections             Functions to Manipulate Connections
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contributors            R Project Contributors
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copyright               Copyrights of Files Used to Build R
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cosh                    Hyperbolic Functions
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crossprod               Matrix Crossproduct
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cumsum                  Cumulative Sums, Products, and Extremes
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cut                     Convert Numeric to Factor
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cut.POSIXt              Convert a Date or Date-Time Object to a Factor
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data.class              Object Classes
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data.frame              Data Frames
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data.matrix             Convert a Data Frame to a Numeric Matrix
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date                    System Date and Time
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debug                   Debug a Function
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delayedAssign           Delay Evaluation
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deparse                 Expression Deparsing
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det                     Calculate the Determinant of a Matrix
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detach                  Detach Objects from the Search Path
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diag                    Matrix Diagonals
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diff                    Lagged Differences
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difftime                Time Intervals
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dim                     Dimensions of an Object
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dimnames                Dimnames of an Object
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dir.create              Manipulaton of Directories and File Permissions
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do.call                 Execute a Function Call
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dontCheck               Identity Function to Suppress Checking
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double                  Double-Precision Vectors
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dput                    Write an Object to a File or Recreate it
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drop                    Drop Redundant Extent Information
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droplevels              droplevels
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dump                    Text Representations of R Objects
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duplicated              Determine Duplicate Elements
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dyn.load                Foreign Function Interface
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eapply                  Apply a Function Over Values in an Environment
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eigen                   Spectral Decomposition of a Matrix
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encodeString            Encode Character Vector as for Printing
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environment             Environment Access
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environment variables   Environment Variables
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eval                    Evaluate an (Unevaluated) Expression
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exists                  Is an Object Defined?
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expand.grid             Create a Data Frame from All Combinations of
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                        Factors
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expression              Unevaluated Expressions
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factor                  Factors
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file.access             Ascertain File Accessibility
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file.choose             Choose a File Interactively
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file.info               Extract File Information
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file.path               Construct Path to File
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file.show               Display One or More Files
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files                   File Manipulation
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find.package            Find Packages
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findInterval            Find Interval Numbers or Indices
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force                   Force Evaluation of an Argument
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formals                 Access to and Manipulation of the Formal
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                        Arguments
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format                  Encode in a Common Format
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format.info             format(.) Information
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format.pval             Format P Values
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formatC                 Formatting Using C-style Formats
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formatDL                Format Description Lists
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function                Function Definition
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gc                      Garbage Collection
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gc.time                 Report Time Spent in Garbage Collection
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gctorture               Torture Garbage Collector
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get                     Return the Value of a Named Object
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getDLLRegisteredRoutines
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                        Reflectance Information for C/Fortran routines
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                        in a DLL
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getHook                 Functions to Get and Set Hooks for Load,
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                        Attach, Detach and Unload
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getLoadedDLLs           Get DLLs Loaded in Current Session
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getNativeSymbolInfo     Obtain a Description of one or more Native
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                        (C/Fortran) Symbols
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getTaskCallbackNames    Query the Names of the Current Internal
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                        Top-Level Task Callbacks
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gettext                 Translate Text Messages
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getwd                   Get or Set Working Directory
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gl                      Generate Factor Levels
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grep                    Pattern Matching and Replacement
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grepRaw                 Pattern Matching for Raw Vectors
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groupGeneric            S3 Group Generic Functions
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gzcon                   (De)compress I/O Through Connections
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hexmode                 Display Numbers in Hexadecimal
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iconv                   Convert Character Vector between Encodings
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icuSetCollate           Setup Collation by ICU
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identical               Test Objects for Exact Equality
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identity                Identity Function
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ifelse                  Conditional Element Selection
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integer                 Integer Vectors
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interaction             Compute Factor Interactions
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interactive             Is R Running Interactively?
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invisible               Change the Print Mode to Invisible
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is.R                    Are we using R, rather than S?
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is.finite               Finite, Infinite and NaN Numbers
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is.function             Is an Object of Type (Primitive) Function?
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is.language             Is an Object a Language Object?
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is.object               Is an Object 'internally classed'?
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is.recursive            Is an Object Atomic or Recursive?
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is.single               Is an Object of Single Precision Type?
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is.unsorted             Test if an Object is Not Sorted
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isS4                    Test for an S4 object
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isSymmetric             Test if a Matrix or other Object is Symmetric
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jitter                  'Jitter' (Add Noise) to Numbers
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kappa                   Compute or Estimate the Condition Number of a
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                        Matrix
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kronecker               Kronecker Products on Arrays
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l10n_info               Localization Information
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labels                  Find Labels from Object
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lapply                  Apply a Function over a List or Vector
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length                  Length of an Object
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levels                  Levels Attributes
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library                 Loading/Attaching and Listing of Packages
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library.dynam           Loading DLLs from Packages
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license                 The R License Terms
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list                    Lists - Generic and Dotted Pairs
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list.files              List the Files in a Directory/Folder
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list2env                From A List, Build or Add To an Environment
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load                    Reload Saved Datasets
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locales                 Query or Set Aspects of the Locale
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log                     Logarithms and Exponentials
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logical                 Logical Vectors
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long vector             Long Vectors
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lower.tri               Lower and Upper Triangular Part of a Matrix
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ls                      List Objects
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make.names              Make Syntactically Valid Names
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make.unique             Make Character Strings Unique
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mapply                  Apply a Function to Multiple List or Vector
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                        Arguments
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margin.table            Compute table margin
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mat.or.vec              Create a Matrix or a Vector
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match                   Value Matching
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match.arg               Argument Verification Using Partial Matching
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match.call              Argument Matching
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match.fun               Extract a Function Specified by Name
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matmult                 Matrix Multiplication
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matrix                  Matrices
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max                     Maxima and Minima
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max.col                 Find Maximum Position in Matrix
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mean                    Arithmetic Mean
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memCompress             In-memory Compression and Decompression
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memory.profile          Profile the Usage of Cons Cells
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merge                   Merge Two Data Frames
279
message                 Diagnostic Messages
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missing                 Does a Formal Argument have a Value?
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mode                    The (Storage) Mode of an Object
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name                    Names and Symbols
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names                   The Names of an Object
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nargs                   The Number of Arguments to a Function
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nchar                   Count the Number of Characters (or Bytes or
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                        Width)
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nlevels                 The Number of Levels of a Factor
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noquote                 Class for 'no quote' Printing of Character
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                        Strings
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norm                    Compute the Norm of a Matrix
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normalizePath           Express File Paths in Canonical Form
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nrow                    The Number of Rows/Columns of an Array
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numeric                 Numeric Vectors
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numeric_version         Numeric Versions
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octmode                 Display Numbers in Octal
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on.exit                 Function Exit Code
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options                 Options Settings
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order                   Ordering Permutation
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outer                   Outer Product of Arrays
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parse                   Parse Expressions
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paste                   Concatenate Strings
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path.expand             Expand File Paths
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pmatch                  Partial String Matching
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polyroot                Find Zeros of a Real or Complex Polynomial
305
pos.to.env              Convert Positions in the Search Path to
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                        Environments
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pretty                  Pretty Breakpoints
308
print                   Print Values
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print.data.frame        Printing Data Frames
310
print.default           Default Printing
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prmatrix                Print Matrices, Old-style
312
proc.time               Running Time of R
313
prod                    Product of Vector Elements
314
prop.table              Express Table Entries as Fraction of Marginal
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                        Table
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pushBack                Push Text Back on to a Connection
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qr                      The QR Decomposition of a Matrix
318
qr.X                    Reconstruct the Q, R, or X Matrices from a QR
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                        Object
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quit                    Terminate an R Session
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range                   Range of Values
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rank                    Sample Ranks
323
rapply                  Recursively Apply a Function to a List
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raw                     Raw Vectors
325
rawConnection           Raw Connections
326
read.dcf                Read and Write Data in DCF Format
327
readBin                 Transfer Binary Data To and From Connections
328
readChar                Transfer Character Strings To and From
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                        Connections
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readLines               Read Text Lines from a Connection
331
readRDS                 Serialization Interface for Single Objects
332
readRenviron            Set Environment Variables from a File
333
readline                Read a Line from the Terminal
334
reg.finalizer           Finalization of Objects
335
regex                   Regular Expressions as used in R
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regmatches              Extract or Replace Matched Substrings
337
remove                  Remove Objects from a Specified Environment
338
rep                     Replicate Elements of Vectors and Lists
339
replace                 Replace Values in a Vector
340
rev                     Reverse Elements
341
rle                     Run Length Encoding
342
round.POSIXt            Round / Truncate Data-Time Objects
343
row                     Row Indexes
344
row.names               Get and Set Row Names for Data Frames
345
rownames                Row and Column Names
346
rowsum                  Give Column Sums of a Matrix or Data Frame,
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                        Based on a Grouping Variable
348
sQuote                  Quote Text
349
sample                  Random Samples and Permutations
350
save                    Save R Objects
351
scale                   Scaling and Centering of Matrix-like Objects
352
scan                    Read Data Values
353
search                  Give Search Path for R Objects
354
seek                    Functions to Reposition Connections
355
seq                     Sequence Generation
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seq.Date                Generate Regular Sequences of Dates
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seq.POSIXt              Generate Regular Sequences of Times
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sequence                Create A Vector of Sequences
359
serialize               Simple Serialization Interface
360
setTimeLimit            Set CPU and/or Elapsed Time Limits
361
shQuote                 Quote Strings for Use in OS Shells
362
shell                   Invoke a System Command, using a Shell
363
shell.exec              Open a File or URL using Windows File
364
                        Associations
365
showConnections         Display Connections
366
sign                    Sign Function
367
sink                    Send R Output to a File
368
slice.index             Slice Indexes in an Array
369
socketSelect            Wait on Socket Connections
370
solve                   Solve a System of Equations
371
sort                    Sorting or Ordering Vectors
372
source                  Read R Code from a File or a Connection
373
split                   Divide into Groups and Reassemble
374
sprintf                 Use C-style String Formatting Commands
375
srcfile                 References to source files
376
stop                    Stop Function Execution
377
stopifnot               Ensure the Truth of R Expressions
378
strptime                Date-time Conversion Functions to and from
379
                        Character
380
strsplit                Split the Elements of a Character Vector
381
strtoi                  Convert Strings to Integers
382
strtrim                 Trim Character Strings to Specified Display
383
                        Widths
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structure               Attribute Specification
385
strwrap                 Wrap Character Strings to Format Paragraphs
386
subset                  Subsetting Vectors, Matrices and Data Frames
387
substitute              Substituting and Quoting Expressions
388
substr                  Substrings of a Character Vector
389
sum                     Sum of Vector Elements
390
summary                 Object Summaries
391
svd                     Singular Value Decomposition of a Matrix
392
sweep                   Sweep out Array Summaries
393
switch                  Select One of a List of Alternatives
394
sys.parent              Functions to Access the Function Call Stack
395
sys.source              Parse and Evaluate Expressions from a File
396
system                  Invoke a System Command
397
system.file             Find Names of R System Files
398
system.time             CPU Time Used
399
system2                 Invoke a System Command
400
t                       Matrix Transpose
401
table                   Cross Tabulation and Table Creation
402
tabulate                Tabulation for Vectors
403
tapply                  Apply a Function Over a Ragged Array
404
taskCallbackManager     Create an R-level Task Callback Manager
405
tempfile                Create Names for Temporary Files
406
textConnection          Text Connections
407
tilde                   Tilde Operator
408
timezones               Time Zones
409
toString                Convert an R Object to a Character String
410
topenv                  Top Level Environment
411
trace                   Interactive Tracing and Debugging of Calls to a
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                        Function or Method
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traceback               Print Call Stacks
414
tracemem                Trace Copying of Objects
415
transform               Transform an Object, for Example a Data Frame
416
try                     Try an Expression Allowing Error Recovery
417
typeof                  The Type of an Object
418
union                   Set Operations
419
unique                  Extract Unique Elements
420
unlink                  Delete Files and Directories
421
unlist                  Flatten Lists
422
unname                  Remove 'names' or 'dimnames'
423
utf8ToInt               Convert to or from UTF-8-encoded Character
424
                        Vectors
425
vector                  Vectors
426
warning                 Warning Messages
427
warnings                Print Warning Messages
428
weekdays                Extract Parts of a POSIXt or Date Object
429
which                   Which indices are TRUE?
430
which.min               Where is the Min() or Max() or first TRUE or
431
                        FALSE ?
432
with                    Evaluate an Expression in a Data Environment
433
withVisible             Return both a value and its visibility
434
write                   Write Data to a File
435
writeLines              Write Lines to a Connection
436
xtfrm                   Auxiliary Function for Sorting and Ranking
437
zapsmall                Rounding of Numbers