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base (version 3.6.1)

The R Base Package

Description

Base R functions.

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Version

Version

3.6.1

License

Part of R 3.6.1

Maintainer

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

Last Published

December 12th, 2019

Functions in base (3.6.1)

Report Information on C Stack Size and Usage

Modern Interfaces to C/C++ code

Arithmetic Operators

Built-in Constants

Inhibit Interpretation/Conversion of Objects

DateTimeClasses

Date-Time Classes

Bessel Functions

Relational Operators

Marking Objects as Deprecated

Extract or Replace Parts of a Factor

Environment Variables

Extract.data.frame

Extract or Replace Parts of a Data Frame

Extract or Replace Parts of an Object

Logarithms and Exponentials

Marking Objects as Defunct

Logical Operators

Date-time Conversion Functions from Numeric Representations

Foreign Function Interface

Hyperbolic Functions

InternalMethods

Internal Generic Functions

Read or Set the Declared Encodings for a Character Vector

The Null Object

‘Not Available’ / Missing Values

Look Up a Primitive Function

Parentheses and Braces

Platform Specific Variables

Operators on the Date Class

Recursive Calling

Utilities for Processing Rd Files

NumericConstants

Numeric Constants

Get Environment Variables

Call an Internal Function

Maxima and Minima

Wildcard Expansion on File Paths

Set or Unset Environment Variables

Sys.setFileTime

User-supplied Random Number Generation

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

Memory Limits in R

Memory Available for Data Storage

Random Number Generation

Get the Process ID of the R Session

Foreign-internal

Internal Versions of the Foreign Function Interface

Extract System and User Information

Value of Last Evaluated Expression

Rounding of Numbers

Date Conversion Functions to and from Character

Vectorize a Scalar Function

Read File Symbolic Links

Version Information

Coerce to a Data Frame

Coerce to an Environment Object

Date-time Conversion Functions

The R Base Package

Approximate String Matching (Fuzzy Matching)

Special Functions of Mathematics

Return the R Home Directory

Reserved Words in R

Find Full Paths to Executables

Miscellaneous Mathematical Functions

Trigonometric Functions

Bin a Numeric Vector

Binding and Environment Locking, Active Bindings

Combine Values into a Vector or List

Apply a Function to a Data Frame Split by Factors

Abbreviate Strings

Split Array/Matrix By Its Margins

Are Some Values True?

Array Transposition

Convert Object to Function

Character Translation and Casefolding

Initialization at Start of an R Session

Suspend Execution for a Time Interval

Operator Syntax and Precedence

Get Current Date and Time

Object Attributes

Multi-way Arrays

Attach Set of R Objects to Search Path

Solve an Upper or Lower Triangular System

Argument List of a Function

Manipulate File Paths

Functions to Retrieve Values Supplied by Calls to the Browser

Returns the Names of All Built-in Objects

Defunct Functions in Package base

Are All Values True?

The Choleski Decomposition

Drop Redundant Extent Information

R Project Contributors

Inverse from Choleski (or QR) Decomposition

Copyrights of Files Used to Build R

Spectral Decomposition of a Matrix

Drop Unused Levels from Factors

Test if Two Objects are (Nearly) Equal

Find All Names in an Expression

Object Attribute Lists

On-demand Loading of Packages

Call With Current Continuation

dataframeHelpers

Data Frame Auxiliary Functions

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

System Date and Time

Search for Masked Objects on the Search Path

Matrix Diagonals

Apply Functions Over Array Margins

Bitwise Logical Operations

Report Capabilities of this Build of R

Access to and Manipulation of the Body of a Function

…, ..1, etc used in Functions

Lagged Differences

Foreign Function Interface

Identity Function to Suppress Checking

format(.) Information

Construct Path to File

Format P Values

Display One or More Text Files

Apply a Function Over Values in an Environment

Encode Character Vector as for Printing

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

Condition Handling and Recovery

Expand a String with Respect to a Target Table

Expression Deparsing

Convert a Data Frame to a Numeric Matrix

Combine R Objects by Rows or Columns

Environment Access

Complex Numbers and Basic Functionality

Delay Evaluation

Choose a File Interactively

Get DLLs Loaded in Current Session

Assign a Value to a Name

Assignment Operators

base-deprecated

Deprecated Functions in Package base

Evaluate an (Unevaluated) Expression

Cumulative Sums, Products, and Extremes

Lists of Open/Active Graphics Devices

Double-Precision Vectors

Detach Objects from the Search Path

Matrix Crossproduct

getNativeSymbolInfo

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

Force Evaluation of an Argument

Extract File Information

Call a function with Some Arguments Forced

Access to and Manipulation of the Formal Arguments

Ascertain File Accessibility

Lengths of List or Vector Elements

Is R Running Interactively?

Grouping Permutation

Levels Attributes

(De)compress I/O Through Connections

Change the Print Mode to Invisible

Concatenate and Print

Internal Objects in Package base

Encode in a Common Format

Write an Object to a File or Recreate it

Garbage Collection

Loading/Attaching and Listing of Packages

Partial substitution in expressions

Is an Object Atomic or Recursive?

Pattern Matching for Raw Vectors

Finite, Infinite and NaN Numbers

Report Time Spent in Garbage Collection

Is an Object of Type (Primitive) Function?

S3 Group Generic Functions

Loading DLLs from Packages

Kronecker Products on Arrays

Is an Object of Single Precision Type?

Environment Browser

Compute Factor Interactions

Integer Vectors

Create a Data Frame from All Combinations of Factor Variables

Is an Object Defined?

Report Versions of Third-Party Software

Unevaluated Expressions

Is an Object ‘internally classed’?

Length of an Object

Lazy Load a Database of R Objects

Is an Object a Language Object?

Compute table margin

Reload Saved Datasets

Localization Information

List the Files in a Directory/Folder

Character Vectors

Partial String Matching

Query or Set Aspects of the Locale

Function Definition

Generate Factor Levels

Common Higher-Order Functions in Functional Programming Languages

Find Interval Numbers or Indices

Setup Collation by ICU

Pattern Matching and Replacement

Make Character Strings Unique

Find Maximum Position in Matrix

Apply a Function to Multiple List or Vector Arguments

Create a Matrix or a Vector

Argument Matching

In-memory Compression and Decompression

From A List, Build or Add To an Environment

Query and Set Heap Size Limits

Extract a Function Specified by Name

The Number of Arguments to a Function

Hooks for Namespace Events

numeric_version

Numeric Versions

The Names of an Object

Display Numbers in Octal

Test Objects for Exact Equality

Namespace Internals

Convert Positions in the Search Path to Environments

Pretty Breakpoints

Convert to or from Raw Vectors

Query or Set a "comment" Attribute

Read and Write Data in DCF Format

Extract Command Line Arguments

Convert Numeric to Factor

Debug a Function

Partial String Matching

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

Test for an S4 object

Search Paths for Packages

Terminate an R Session

Find Zeros of a Real or Complex Polynomial

Range of Values

Report Version of libcurl

Create A Vector of Sequences

Sequence Generation

Arithmetic Mean

Class for ‘no quote’ Printing of Character Strings

Form Row and Column Sums and Means

Solve a System of Equations

Sorting or Ordering Vectors

Time Intervals / Differences

Dimensions of an Object

Make Syntactically Valid Names

Merge Two Data Frames

Not Yet Implemented Functions and Unused Arguments

Profile the Usage of Cons Cells

Express File Paths in Canonical Form

Torture Garbage Collector

Return the Value of a Named Object

Stop Function Execution

Compute the Norm of a Matrix

Ensure the Truth of R Expressions

Default Printing

Regular Expressions as used in R

Loading and Unloading Name Spaces

Expand File Paths

Print Matrices, Old-style

Namespace Reflection Support

Report Configuration Options for PCRE

Row and Column Names

Display Numbers in Hexadecimal

Transfer Binary Data To and From Connections

Convert a Date or Date-Time Object to a Factor

Calculate the Determinant of a Matrix

Options for Expression Deparsing

Retrieve Headers from URLs

Outer Product of Arrays

Running Time of R

Ordering Permutation

Transfer Character Strings To and From Connections

Read Text Lines from a Connection

Convert Character Vector between Encodings

Identity Function

Get and Set Row Names for Data Frames

Extract or Replace Matched Substrings

Invoke a System Command

Conditional Element Selection

‘Jitter’ (Add Noise) to Numbers

Compute or Estimate the Condition Number of a Matrix

Give Search Path for R Objects

Functions to Reposition Connections

Reverse Elements

Run Length Encoding

Send R Output to a File

Matrix Transpose

Product of Vector Elements

Serialization Interface for Single Objects

Raw Connections

Slice Indexes in an Array

Use C-style String Formatting Commands

Set Environment Variables from a File

The R License Terms

Matrix Multiplication

The (Storage) Mode of an Object

Lists -- Generic and Dotted Pairs

Names and Symbols

Determine Duplicate Elements

References to Source Files and Code

Execute a Function Call

Dimnames of an Object

Text Representations of R Objects

Remove Objects from a Specified Environment

Top Level Environment

Parse R Expressions

Numeric Vectors

Trim Character Strings to Specified Display Widths

print.data.frame

Printing Data Frames

Concatenate Strings

Round / Truncate Data-Time Objects

Attribute Specification

The QR Decomposition of a Matrix

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

File Manipulation

Set CPU and/or Elapsed Time Limits

Extract or Replace A Slot

Simple Serialization Interface

Wait on Socket Connections

standardGeneric

Formal Method System -- Dispatching S4 Methods

Replicate Elements of Vectors and Lists

Replace Values in a Vector

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

Convert an R Object to a Character String

Interactive Tracing and Debugging of Calls to a Function or Method

Format Description Lists

Manipulation of Directories and File Permissions

Formatting Using C-style Formats

Does String Start or End With Another String?

getDLLRegisteredRoutines

Reflectance Information for C/Fortran routines in a DLL

Get or Set Working Directory

Test if an Object is Not Sorted

Compute DLL for Native Interface Call

Translate Text Messages

Transform an Object, for Example a Data Frame

Remove Leading/Trailing Whitespace

Read R Code from a File, a Connection or Expressions

Are we using R, rather than S?

Find Labels from Object

Logical Vectors

Lower and Upper Triangular Part of a Matrix

Apply a Function over a List or Vector

Argument Verification Using Partial Matching

Divide into Groups and Reassemble

Read Data Values

Scaling and Centering of Matrix-like Objects

Diagnostic Messages

Quote Strings for Use in OS Shells

Sum of Vector Elements

Object Summaries

Warning Messages

Print Warning Messages

Does a Formal Argument have a Value?

Split the Elements of a Character Vector

Convert Strings to Integers

Repeat the Elements of a Character Vector

Subsetting Vectors, Matrices and Data Frames

Date-time Conversion Functions to and from Character

Wrap Character Strings to Format Paragraphs

Singular Value Decomposition of a Matrix

Sweep out Array Summaries

Select One of a List of Alternatives

Check if a Character Vector is Validly Encoded

Parse and Evaluate Expressions from a File

Invoke a System Command

Return both a Value and its Visibility

Functions to Access the Function Call Stack

Write Data to a File

Cross Tabulation and Table Creation

Trace Copying of Objects

Tabulation for Vectors

Get and Print Call Stacks

Double Colon and Triple Colon Operators

The Number of Rows/Columns of an Array

Count the Number of Characters (or Bytes or Width)

Options Settings

Push Text Back on to a Connection

Function Exit Code

Express Table Entries as Fraction of Marginal Table

The Number of Levels of a Factor

Recursively Apply a Function to a List

Generate Regular Sequences of Times

Finalization of Objects

Random Samples and Permutations

Read a Line from the Terminal

Generate Regular Sequences of Dates

showConnections

Display Connections

Write Lines to a Connection

Create Names for Temporary Files

Text Connections

Try an Expression Allowing Error Recovery

The Type of an Object

Extract Parts of a POSIXt or Date Object

Which indices are TRUE?

Rounding of Numbers: Zapping Small Ones to Zero

Auxiliary Function for Sorting and Ranking

Apply a Function Over a Ragged Array

Listing of Packages

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

Add or Remove a Top-Level Task Callback

Substituting and Quoting Expressions

Substrings of a Character Vector

Extract Unique Elements

Evaluate an Expression in a Data Environment

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

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

Delete Files and Directories

Miscellaneous Internal/Programming Utilities

Find Names of R System Files

taskCallbackNames

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

Scripting Language Interface

taskCallbackManager

Create an R-level Task Callback Manager

Remove names or dimnames

Numerical Characteristics of the Machine