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base (version 3.4.3)

The R Base Package

Description

Base R functions.

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Version

Version

3.4.3

License

Part of R 3.4.3

Maintainer

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

Last Published

December 12th, 2019

Functions in base (3.4.3)

Bessel Functions

Modern Interfaces to C/C++ code

Report Information on C Stack Size and Usage

Arithmetic Operators

DateTimeClasses

Date-Time Classes

Inhibit Interpretation/Conversion of Objects

Built-in Constants

Relational Operators

Extract.data.frame

Extract or Replace Parts of a Data Frame

Read or Set the Declared Encodings for a Character Vector

Marking Objects as Defunct

Extract or Replace Parts of a Factor

Marking Objects as Deprecated

Extract or Replace Parts of an Object

Environment Variables

Logarithms and Exponentials

InternalMethods

Internal Generic Functions

Maxima and Minima

Foreign-internal

Internal Versions of the Foreign Function Interface

Logical Operators

Value of Last Evaluated Expression

Foreign Function Interface

Hyperbolic Functions

NumericConstants

Numeric Constants

Operators on the Date Class

Date-time Conversion Functions from Numeric Representations

Call an Internal Function

Utilities for Processing Rd Files

Recursive Calling

Miscellaneous Mathematical Functions

Reserved Words in R

Parentheses and Braces

Return the R Home Directory

Platform Specific Variables

Initialization at Start of an R Session

Sys.setFileTime

User-supplied Random Number Generation

Set or Unset Environment Variables

Random Number Generation

Operator Syntax and Precedence

‘Not Available’ / Missing Values

Get Environment Variables

Get the Process ID of the R Session

The Null Object

Find Full Paths to Executables

Trigonometric Functions

Look Up a Primitive Function

Are Some Values True?

Array Transposition

Wildcard Expansion on File Paths

Memory Limits in R

Memory Available for Data Storage

Extract System and User Information

Rounding of Numbers

Suspend Execution for a Time Interval

Special Functions of Mathematics

Get Current Date and Time

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

Read File Symbolic Links

Version Information

Vectorize a Scalar Function

Abbreviate Strings

Test if Two Objects are (Nearly) Equal

Find All Names in an Expression

Apply Functions Over Array Margins

Convert Object to Function

On-demand Loading of Packages

Assign a Value to a Name

Solve an Upper or Lower Triangular System

Manipulate File Paths

Argument List of a Function

Object Attributes

Multi-way Arrays

Object Attribute Lists

Coerce to a Data Frame

Binding and Environment Locking, Active Bindings

Defunct Functions in Package base

base-deprecated

Deprecated Functions in Package base

Bitwise Logical Operations

Combine Values into a Vector or List

Bin a Numeric Vector

Expand a String with Respect to a Target Table

Call With Current Continuation

Approximate String Matching (Fuzzy Matching)

Report Capabilities of this Build of R

Are All Values True?

Date Conversion Functions to and from Character

Concatenate and Print

Query or Set a "comment" Attribute

Combine R Objects by Rows or Columns

Inverse from Choleski (or QR) Decomposition

Copyrights of Files Used to Build R

Character Vectors

Form Row and Column Sums and Means

Matrix Crossproduct

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

Convert a Date or Date-Time Object to a Factor

Date-time Conversion Functions

Assignment Operators

Convert Numeric to Factor

Attach Set of R Objects to Search Path

Coerce to an Environment Object

Access to and Manipulation of the Body of a Function

Internal Objects in Package base

Complex Numbers and Basic Functionality

System Date and Time

The R Base Package

Read and Write Data in DCF Format

Environment Browser

Debug a Function

Functions to Retrieve Values Supplied by Calls to the Browser

Delay Evaluation

Partial String Matching

Text Representations of R Objects

Character Translation and Casefolding

Determine Duplicate Elements

Condition Handling and Recovery

Partial substitution in expressions

Returns the Names of All Built-in Objects

Search for Masked Objects on the Search Path

Apply a Function to a Data Frame Split by Factors

Convert a Data Frame to a Numeric Matrix

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

dataframeHelpers

Data Frame Auxiliary Functions

The Choleski Decomposition

Expression Deparsing

R Project Contributors

Environment Access

Lists of Open/Active Graphics Devices

Evaluate an (Unevaluated) Expression

Matrix Diagonals

Lagged Differences

Execute a Function Call

Identity Function to Suppress Checking

Drop Redundant Extent Information

Options for Expression Deparsing

Double-Precision Vectors

Write an Object to a File or Recreate it

Ascertain File Accessibility

Drop Unused Levels from Factors

Foreign Function Interface

Force Evaluation of an Argument

Apply a Function Over Values in an Environment

Call a function with Some Arguments Forced

Row and Column Names

Extract Command Line Arguments

Spectral Decomposition of a Matrix

Cumulative Sums, Products, and Extremes

Encode Character Vector as for Printing

Retrieve Headers from URLs

Is an Object Defined?

Create a Data Frame from All Combinations of Factor Variables

Find Interval Numbers or Indices

Construct Path to File

Time Intervals / Differences

Compute DLL for Native Interface Call

getDLLRegisteredRoutines

Reflectance Information for C/Fortran routines in a DLL

File Manipulation

Pattern Matching for Raw Vectors

Manipulaton of Directories and File Permissions

S3 Group Generic Functions

Finite, Infinite and NaN Numbers

Access to and Manipulation of the Formal Arguments

Is an Object of Type (Primitive) Function?

Encode in a Common Format

Function Definition

Test if an Object is Not Sorted

Common Higher-Order Functions in Functional Programming Languages

Torture Garbage Collector

Are we using R, rather than S?

Display One or More Text Files

Calculate the Determinant of a Matrix

Format Description Lists

Formatting Using C-style Formats

Detach Objects from the Search Path

Get DLLs Loaded in Current Session

Dimensions of an Object

Search Paths for Packages

Report Version of libcurl

Dimnames of an Object

Report Versions of Third-Party Software

Unevaluated Expressions

Choose a File Interactively

Extract File Information

Garbage Collection

format(.) Information

Report Time Spent in Garbage Collection

Format P Values

Grouping Permutation

Translate Text Messages

Get or Set Working Directory

(De)compress I/O Through Connections

getNativeSymbolInfo

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

Reload Saved Datasets

Generate Factor Levels

Pattern Matching and Replacement

Query or Set Aspects of the Locale

Return the Value of a Named Object

Compute table margin

Setup Collation by ICU

Identity Function

Test Objects for Exact Equality

Compute Factor Interactions

Conditional Element Selection

Kronecker Products on Arrays

‘Jitter’ (Add Noise) to Numbers

Localization Information

Find Labels from Object

Compute or Estimate the Condition Number of a Matrix

Apply a Function over a List or Vector

Create a Matrix or a Vector

Logical Vectors

Does a Formal Argument have a Value?

Integer Vectors

Lazy Load a Database of R Objects

The (Storage) Mode of an Object

Length of an Object

The Number of Arguments to a Function

Make Syntactically Valid Names

Count the Number of Characters (or Bytes or Width)

Argument Matching

Display Numbers in Hexadecimal

Extract a Function Specified by Name

Find Maximum Position in Matrix

Convert Character Vector between Encodings

Arithmetic Mean

Is R Running Interactively?

Not Yet Implemented Functions and Unused Arguments

The Number of Rows/Columns of an Array

Change the Print Mode to Invisible

Options Settings

Test for an S4 object

Ordering Permutation

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

Concatenate Strings

Lengths of List or Vector Elements

Is an Object a Language Object?

Expand File Paths

Is an Object ‘internally classed’?

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

Is an Object Atomic or Recursive?

Terminate an R Session

Transfer Binary Data To and From Connections

Namespace Internals

Transfer Character Strings To and From Connections

Loading and Unloading Name Spaces

Push Text Back on to a Connection

Pretty Breakpoints

The QR Decomposition of a Matrix

Lower and Upper Triangular Part of a Matrix

Raw Connections

Convert to or from Raw Vectors

Matrix Multiplication

Merge Two Data Frames

Diagnostic Messages

The Number of Levels of a Factor

Class for ‘no quote’ Printing of Character Strings

Set Environment Variables from a File

Argument Verification Using Partial Matching

In-memory Compression and Decompression

Read a Line from the Terminal

Profile the Usage of Cons Cells

Levels Attributes

Double Colon and Triple Colon Operators

Hooks for Namespace Events

The R License Terms

Namespace Reflection Support

Lists -- Generic and Dotted Pairs

Top Level Environment

Find Zeros of a Real or Complex Polynomial

Partial String Matching

Numeric Vectors

Print Matrices, Old-style

numeric_version

Numeric Versions

Running Time of R

Extract or Replace Matched Substrings

Report Configuration Options for PCRE

Replicate Elements of Vectors and Lists

Is an Object of Single Precision Type?

Round / Truncate Data-Time Objects

Loading/Attaching and Listing of Packages

Set CPU and/or Elapsed Time Limits

Loading DLLs from Packages

Convert Positions in the Search Path to Environments

List the Files in a Directory/Folder

Product of Vector Elements

Express Table Entries as Fraction of Marginal Table

Recursively Apply a Function to a List

Send R Output to a File

Read Text Lines from a Connection

References to Source Files and Code

Serialization Interface for Single Objects

Finalization of Objects

standardGeneric

Formal Method System -- Dispatching S4 Methods

Get and Set Row Names for Data Frames

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

Replace Values in a Vector

Functions to Reposition Connections

Regular Expressions as used in R

Reverse Elements

From A List, Build or Add To an Environment

Scaling and Centering of Matrix-like Objects

Make Character Strings Unique

Create A Vector of Sequences

Simple Serialization Interface

Apply a Function to Multiple List or Vector Arguments

Slice Indexes in an Array

Names and Symbols

Extract or Replace A Slot

Object Summaries

The Names of an Object

Compute the Norm of a Matrix

Singular Value Decomposition of a Matrix

Express File Paths in Canonical Form

Matrix Transpose

Trace Copying of Objects

Cross Tabulation and Table Creation

Transform an Object, for Example a Data Frame

Text Connections

Does String Start or End With Another String?

Stop Function Execution

Generate Regular Sequences of Dates

Attribute Specification

Sorting or Ordering Vectors

Wrap Character Strings to Format Paragraphs

Read R Code from a File, a Connection or Expressions

Random Samples and Permutations

Ensure the Truth of R Expressions

Quote Strings for Use in OS Shells

Date-time Conversion Functions to and from Character

showConnections

Display Connections

Wait on Socket Connections

Solve a System of Equations

Warning Messages

Sweep out Array Summaries

Select One of a List of Alternatives

Auxiliary Function for Sorting and Ranking

Invoke a System Command

Numerical Characteristics of the Machine

Find Names of R System Files

taskCallbackManager

Create an R-level Task Callback Manager

Remove Leading/Trailing Whitespace

Invoke a System Command

Try an Expression Allowing Error Recovery

Add or Remove a Top-Level Task Callback

Interactive Tracing and Debugging of Calls to a Function or Method

Get and Print Call Stacks

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

The Type of an Object

Check if a Character Vector is Validly Encoded

Display Numbers in Octal

print.data.frame

Printing Data Frames

Function Exit Code

Default Printing

Outer Product of Arrays

Run Length Encoding

Range of Values

Remove Objects from a Specified Environment

Read Data Values

Listing of Packages

Which indices are TRUE?

Miscellaneous Internal/Programming Utilities

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

Convert Strings to Integers

Trim Character Strings to Specified Display Widths

Give Search Path for R Objects

Substrings of a Character Vector

Sum of Vector Elements

Generate Regular Sequences of Times

Parse Expressions

Functions to Access the Function Call Stack

Sequence Generation

Parse and Evaluate Expressions from a File

Divide into Groups and Reassemble

taskCallbackNames

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

Tabulation for Vectors

Use C-style String Formatting Commands

Apply a Function Over a Ragged Array

Extract Unique Elements

Repeat the Elements of a Character Vector

Convert an R Object to a Character String

Split the Elements of a Character Vector

Subsetting Vectors, Matrices and Data Frames

Create Names for Temporary Files

Remove names or dimnames

Substituting and Quoting Expressions

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

Rounding of Numbers

Print Warning Messages

Extract Parts of a POSIXt or Date Object

Delete Files and Directories

Scripting Language Interface

Write Lines to a Connection

Evaluate an Expression in a Data Environment

Return both a Value and its Visibility

Write Data to a File