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base (version 3.6.0)

The R Base Package

Description

Base R functions.

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Version

Version

3.6.0

License

Part of R 3.6.0

Maintainer

R-core R-core@R-project.org

Last Published

December 12th, 2019

Functions in base (3.6.0)

Built-in Constants

Maxima and Minima

Foreign-internal

Internal Versions of the Foreign Function Interface

Logarithms and Exponentials

Logical Operators

User-supplied Random Number Generation

Random Number Generation

Find Details of the Numerical and Monetary Representations in the Current Locale

Read File Symbolic Links

Version Information

Abbreviate Strings

Test if Two Objects are (Nearly) Equal

Find All Names in an Expression

Convert Object to Function

Split Array/Matrix By Its Margins

Memory Limits in R

Memory Available for Data Storage

The R Base Package

Manipulate File Paths

Functions to Retrieve Values Supplied by Calls to the Browser

Returns the Names of All Built-in Objects

Look Up a Primitive Function

Character Vectors

Partial String Matching

Initialization at Start of an R Session

R Project Contributors

Arithmetic Operators

Copyrights of Files Used to Build R

Operator Syntax and Precedence

Matrix Crossproduct

Argument List of a Function

Inhibit Interpretation/Conversion of Objects

Multi-way Arrays

Cumulative Sums, Products, and Extremes

Matrix Diagonals

Extract.data.frame

Extract or Replace Parts of a Data Frame

Extract or Replace Parts of a Factor

Lagged Differences

Drop Redundant Extent Information

Object Attribute Lists

Drop Unused Levels from Factors

Environment Access

Evaluate an (Unevaluated) Expression

On-demand Loading of Packages

Date-time Conversion Functions from Numeric Representations

Combine R Objects by Rows or Columns

Choose a File Interactively

Expand a String with Respect to a Target Table

Form Row and Column Sums and Means

Extract File Information

Call an Internal Function

Approximate String Matching (Fuzzy Matching)

Miscellaneous Mathematical Functions

Row and Column Names

Are All Values True?

Assign a Value to a Name

Convert a Data Frame to a Numeric Matrix

Force Evaluation of an Argument

Options for Expression Deparsing

Call a function with Some Arguments Forced

Assignment Operators

Torture Garbage Collector

Return the Value of a Named Object

Finite, Infinite and NaN Numbers

Calculate the Determinant of a Matrix

Report Information on C Stack Size and Usage

base-deprecated

Deprecated Functions in Package base

Is an Object of Type (Primitive) Function?

Identity Function to Suppress Checking

DateTimeClasses

Date-Time Classes

Marking Objects as Deprecated

…, ..1, etc used in Functions

Read or Set the Declared Encodings for a Character Vector

Internal Objects in Package base

Text Representations of R Objects

Apply a Function to a Data Frame Split by Factors

Determine Duplicate Elements

Combine Values into a Vector or List

InternalMethods

Internal Generic Functions

Unevaluated Expressions

Report Versions of Third-Party Software

Complex Numbers and Basic Functionality

Test if an Object is Not Sorted

Are we using R, rather than S?

Parentheses and Braces

Condition Handling and Recovery

Kronecker Products on Arrays

Platform Specific Variables

Reserved Words in R

Return the R Home Directory

Sys.setFileTime

Detach Objects from the Search Path

Format Description Lists

Formatting Using C-style Formats

Set or Unset Environment Variables

Find Full Paths to Executables

Trigonometric Functions

Get DLLs Loaded in Current Session

Lists of Open/Active Graphics Devices

getNativeSymbolInfo

Obtain a Description of one or more Native (C/Fortran) Symbols

Dimnames of an Object

Relational Operators

Localization Information

Bessel Functions

Reload Saved Datasets

Execute a Function Call

Translate Text Messages

Query or Set Aspects of the Locale

Date Conversion Functions to and from Character

Get or Set Working Directory

Integer Vectors

Foreign Function Interface

Marking Objects as Defunct

Apply a Function Over Values in an Environment

format(.) Information

Date-time Conversion Functions

Foreign Function Interface

Compute table margin

Modern Interfaces to C/C++ code

Compute Factor Interactions

Lengths of List or Vector Elements

Create a Matrix or a Vector

Diagnostic Messages

Levels Attributes

Solve an Upper or Lower Triangular System

Defunct Functions in Package base

Loading/Attaching and Listing of Packages

Hyperbolic Functions

Environment Variables

Loading DLLs from Packages

Does a Formal Argument have a Value?

NumericConstants

Numeric Constants

Operators on the Date Class

Report Capabilities of this Build of R

The (Storage) Mode of an Object

Format P Values

Utilities for Processing Rd Files

Names and Symbols

Function Definition

Recursive Calling

Concatenate and Print

Common Higher-Order Functions in Functional Programming Languages

numeric_version

Numeric Versions

Generate Factor Levels

Get Environment Variables

Get the Process ID of the R Session

Pattern Matching and Replacement

Suspend Execution for a Time Interval

Argument Verification Using Partial Matching

Get Current Date and Time

Find Maximum Position in Matrix

Character Translation and Casefolding

Is R Running Interactively?

Warn About Extraneous Arguments in the "..." of Its Caller

Are Some Values True?

Array Transposition

Retrieve Headers from URLs

Convert a Date or Date-Time Object to a Factor

Arithmetic Mean

Change the Print Mode to Invisible

The Number of Rows/Columns of an Array

Extract or Replace Parts of an Object

Is an Object Atomic or Recursive?

Is an Object of Single Precision Type?

Display Numbers in Octal

Attach Set of R Objects to Search Path

Double Colon and Triple Colon Operators

Object Attributes

Bin a Numeric Vector

Partial String Matching

Find Labels from Object

Binding and Environment Locking, Active Bindings

Find Zeros of a Real or Complex Polynomial

Expand File Paths

Report Configuration Options for PCRE

Call With Current Continuation

The Choleski Decomposition

Running Time of R

Default Printing

Product of Vector Elements

Serialization Interface for Single Objects

Set Environment Variables from a File

Value of Last Evaluated Expression

Apply a Function over a List or Vector

Inverse from Choleski (or QR) Decomposition

Print Matrices, Old-style

Search for Masked Objects on the Search Path

‘Not Available’ / Missing Values

Remove Objects from a Specified Environment

The Null Object

Read and Write Data in DCF Format

Terminate an R Session

Debug a Function

dataframeHelpers

Data Frame Auxiliary Functions

Functions to Manipulate Connections (Files, URLs, ...)

Make Syntactically Valid Names

System Date and Time

Time Intervals / Differences

Round / Truncate Data-Time Objects

Dimensions of an Object

In-memory Compression and Decompression

Double-Precision Vectors

Is an Object Defined?

Create a Data Frame from All Combinations of Factor Variables

Query and Set Heap Size Limits

Generate Regular Sequences of Dates

The Names of an Object

The Number of Arguments to a Function

Rounding of Numbers

Range of Values

Write an Object to a File or Recreate it

Transfer Character Strings To and From Connections

Access to and Manipulation of the Formal Arguments

Ascertain File Accessibility

Top Level Environment

Generate Regular Sequences of Times

Special Functions of Mathematics

Numeric Vectors

Parse R Expressions

Read Text Lines from a Connection

Wildcard Expansion on File Paths

Concatenate Strings

Extract or Replace A Slot

Convert Positions in the Search Path to Environments

Attribute Specification

Trim Character Strings to Specified Display Widths

Wait on Socket Connections

taskCallbackManager

Create an R-level Task Callback Manager

Pretty Breakpoints

Extract System and User Information

The QR Decomposition of a Matrix

taskCallbackNames

Query the Names of the Current Internal Top-Level Task Callbacks

Encode in a Common Format

showConnections

Display Connections

Construct Path to File

Get and Print Call Stacks

Trace Copying of Objects

Vectorize a Scalar Function

Check if a Character Vector is Validly Encoded

Grouping Permutation

Apply Functions Over Array Margins

(De)compress I/O Through Connections

Setup Collation by ICU

Reconstruct the Q, R, or X Matrices from a QR Object

Display One or More Text Files

Test Objects for Exact Equality

Regular Expressions as used in R

Extract or Replace Matched Substrings

Date-time Conversion Functions to and from Character

Find Interval Numbers or Indices

Repeat the Elements of a Character Vector

Compute DLL for Native Interface Call

getDLLRegisteredRoutines

Reflectance Information for C/Fortran routines in a DLL

Select One of a List of Alternatives

Display Numbers in Hexadecimal

Functions to Access the Function Call Stack

Coerce to a Data Frame

‘Jitter’ (Add Noise) to Numbers

Get and Set Row Names for Data Frames

Lazy Load a Database of R Objects

Compute or Estimate the Condition Number of a Matrix

Coerce to an Environment Object

Bitwise Logical Operations

Extract Unique Elements

Sequence Generation

Create A Vector of Sequences

Delete Files and Directories

Warning Messages

Convert Character Vector between Encodings

Print Warning Messages

Length of an Object

Write Lines to a Connection

Access to and Manipulation of the Body of a Function

Auxiliary Function for Sorting and Ranking

Send R Output to a File

Slice Indexes in an Array

Is an Object a Language Object?

Is an Object ‘internally classed’?

The R License Terms

Split the Elements of a Character Vector

References to Source Files and Code

Use C-style String Formatting Commands

Lists -- Generic and Dotted Pairs

List the Files in a Directory/Folder

From A List, Build or Add To an Environment

Partial substitution in expressions

Make Character Strings Unique

Convert Strings to Integers

Apply a Function to Multiple List or Vector Arguments

Matrix Multiplication

Singular Value Decomposition of a Matrix

Argument Matching

Extract a Function Specified by Name

Environment Browser

Extract Command Line Arguments

Query or Set a "comment" Attribute

Express File Paths in Canonical Form

Not Yet Implemented Functions and Unused Arguments

Count the Number of Characters (or Bytes or Width)

The Number of Levels of a Factor

Sweep out Array Summaries

Convert Numeric to Factor

Delay Evaluation

Cross Tabulation and Table Creation

Tabulation for Vectors

Hooks for Namespace Events

Function Exit Code

Expression Deparsing

Options Settings

Spectral Decomposition of a Matrix

Transform an Object, for Example a Data Frame

Encode Character Vector as for Printing

File Manipulation

Namespace Internals

Convert to or from Raw Vectors

Manipulation of Directories and File Permissions

Transfer Binary Data To and From Connections

Replicate Elements of Vectors and Lists

Replace Values in a Vector

Remove Leading/Trailing Whitespace

Random Samples and Permutations

Garbage Collection

Give Search Path for R Objects

Report Time Spent in Garbage Collection

Pattern Matching for Raw Vectors

Functions to Reposition Connections

print.data.frame

Printing Data Frames

Functions to Get and Set Hooks for Load, Attach, Detach and Unload

S3 Group Generic Functions

Read R Code from a File, a Connection or Expressions

Convert Integer Vectors to or from UTF-8-encoded Character Vectors

Return both a Value and its Visibility

Recursively Apply a Function to a List

Identity Function

Conditional Element Selection

Write Data to a File

Read a Line from the Terminal

Finalization of Objects

Miscellaneous Internal/Programming Utilities

Divide into Groups and Reassemble

Test for an S4 object

Sum of Vector Elements

Give Column Sums of a Matrix or Data Frame, Based on a Grouping Variable

Test if a Matrix or other Object is Symmetric (Hermitian)

Object Summaries

Simple Serialization Interface

Matrix Transpose

Invoke a System Command

Search Paths for Packages

Report Version of libcurl

Set CPU and/or Elapsed Time Limits

Apply a Function Over a Ragged Array

Logical Vectors

Add or Remove a Top-Level Task Callback

Lower and Upper Triangular Part of a Matrix

Profile the Usage of Cons Cells

Merge Two Data Frames

Solve a System of Equations

Class for ‘no quote’ Printing of Character Strings

Compute the Norm of a Matrix

Extract Parts of a POSIXt or Date Object

Sorting or Ordering Vectors

Loading and Unloading Name Spaces

Stop Function Execution

Ensure the Truth of R Expressions

Namespace Reflection Support

Which indices are TRUE?

Wrap Character Strings to Format Paragraphs

Where is the Min() or Max() or first TRUE or FALSE ?

Subsetting Vectors, Matrices and Data Frames

Evaluate an Expression in a Data Environment

Parse and Evaluate Expressions from a File

Ordering Permutation

Invoke a System Command

Outer Product of Arrays

Express Table Entries as Fraction of Marginal Table

Push Text Back on to a Connection

Raw Connections

Convert an R Object to a Character String

Reverse Elements

Rounding of Numbers: Zapping Small Ones to Zero

Interactive Tracing and Debugging of Calls to a Function or Method

Listing of Packages

Run Length Encoding

Scaling and Centering of Matrix-like Objects

Read Data Values

Quote Strings for Use in OS Shells

standardGeneric

Formal Method System -- Dispatching S4 Methods

Does String Start or End With Another String?

Substituting and Quoting Expressions

Substrings of a Character Vector

Find Names of R System Files

Create Names for Temporary Files

Text Connections

Try an Expression Allowing Error Recovery

The Type of an Object

Remove names or dimnames

Numerical Characteristics of the Machine

Scripting Language Interface