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base (version 3.5.2)

The R Base Package

Description

Base R functions.

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Version

Version

3.5.2

License

Part of R 3.5.2

Maintainer

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

Last Published

December 12th, 2019

Functions in base (3.5.2)

Arithmetic Operators

Inhibit Interpretation/Conversion of Objects

Environment Variables

Extract or Replace Parts of an Object

Logarithms and Exponentials

Logical Operators

‘Not Available’ / Missing Values

The Null Object

Rounding of Numbers

Special Functions of Mathematics

Report Information on C Stack Size and Usage

Get Environment Variables

Get the Process ID of the R Session

DateTimeClasses

Date-Time Classes

Approximate String Matching (Fuzzy Matching)

Are All Values True?

Date Conversion Functions to and from Character

Date-time Conversion Functions

On-demand Loading of Packages

Extract.data.frame

Extract or Replace Parts of a Data Frame

Extract or Replace Parts of a Factor

Solve an Upper or Lower Triangular System

Date-time Conversion Functions from Numeric Representations

Call an Internal Function

Manipulate File Paths

Look Up a Primitive Function

Bin a Numeric Vector

Bessel Functions

Modern Interfaces to C/C++ code

Marking Objects as Defunct

Foreign Function Interface

Hyperbolic Functions

NumericConstants

Numeric Constants

Built-in Constants

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

The Choleski Decomposition

Condition Handling and Recovery

Operators on the Date Class

Reserved Words in R

Find Full Paths to Executables

Return the R Home Directory

Trigonometric Functions

Initialization at Start of an R Session

Operator Syntax and Precedence

Memory Limits in R

Memory Available for Data Storage

Recursive Calling

Read File Symbolic Links

Argument List of a Function

Utilities for Processing Rd Files

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

Multi-way Arrays

Apply Functions Over Array Margins

Vectorize a Scalar Function

Assignment Operators

Attach Set of R Objects to Search Path

Find All Names in an Expression

Object Attributes

Test if Two Objects are (Nearly) Equal

Search for Masked Objects on the Search Path

Defunct Functions in Package base

Object Attribute Lists

Maxima and Minima

Returns the Names of All Built-in Objects

base-deprecated

Deprecated Functions in Package base

Apply a Function to a Data Frame Split by Factors

Foreign-internal

Internal Versions of the Foreign Function Interface

Partial String Matching

Binding and Environment Locking, Active Bindings

InternalMethods

Internal Generic Functions

Convert Numeric to Factor

Write an Object to a File or Recreate it

Convert a Date or Date-Time Object to a Factor

Internal Objects in Package base

Character Translation and Casefolding

Bitwise Logical Operations

Combine Values into a Vector or List

Report Versions of Third-Party Software

Drop Redundant Extent Information

Format P Values

Format Description Lists

getNativeSymbolInfo

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

Translate Text Messages

The R Base Package

Concatenate and Print

Pattern Matching and Replacement

Miscellaneous Mathematical Functions

Combine R Objects by Rows or Columns

Pattern Matching for Raw Vectors

Test Objects for Exact Equality

Row and Column Names

Lists of Open/Active Graphics Devices

Form Row and Column Sums and Means

User-supplied Random Number Generation

Extract Command Line Arguments

Random Number Generation

Query or Set a "comment" Attribute

Complex Numbers and Basic Functionality

Sys.setFileTime

Set or Unset Environment Variables

Suspend Execution for a Time Interval

Get Current Date and Time

System Date and Time

Identity Function

Are Some Values True?

Array Transposition

Calculate the Determinant of a Matrix

Coerce to a Data Frame

Matrix Diagonals

Dimensions of an Object

Coerce to an Environment Object

Dimnames of an Object

Access to and Manipulation of the Body of a Function

Partial substitution in expressions

Environment Browser

Functions to Retrieve Values Supplied by Calls to the Browser

Evaluate an (Unevaluated) Expression

Detach Objects from the Search Path

Inverse from Choleski (or QR) Decomposition

…, ..1, etc used in Functions

Is an Object ‘internally classed’?

Is an Object Atomic or Recursive?

Double-Precision Vectors

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

Read and Write Data in DCF Format

Lagged Differences

Encode Character Vector as for Printing

R Project Contributors

Environment Access

Time Intervals / Differences

Display One or More Text Files

Execute a Function Call

Apply a Function to Multiple List or Vector Arguments

Is an Object Defined?

Ascertain File Accessibility

Choose a File Interactively

Find Interval Numbers or Indices

Cumulative Sums, Products, and Extremes

Force Evaluation of an Argument

Retrieve Headers from URLs

Expression Deparsing

Identity Function to Suppress Checking

Determine Duplicate Elements

Options for Expression Deparsing

Foreign Function Interface

Create a Data Frame from All Combinations of Factor Variables

(De)compress I/O Through Connections

Unevaluated Expressions

File Manipulation

Encode in a Common Format

Display Numbers in Hexadecimal

Formatting Using C-style Formats

Compute table margin

Function Definition

format(.) Information

Common Higher-Order Functions in Functional Programming Languages

Garbage Collection

Get or Set Working Directory

Manipulation of Directories and File Permissions

Generate Factor Levels

Relational Operators

getDLLRegisteredRoutines

Reflectance Information for C/Fortran routines in a DLL

Get DLLs Loaded in Current Session

Is an Object a Language Object?

Is an Object of Type (Primitive) Function?

Report Version of libcurl

Convert Character Vector between Encodings

Loading/Attaching and Listing of Packages

Setup Collation by ICU

Compute Factor Interactions

Conditional Element Selection

Arithmetic Mean

In-memory Compression and Decompression

Integer Vectors

Is R Running Interactively?

Marking Objects as Deprecated

Read or Set the Declared Encodings for a Character Vector

Call a function with Some Arguments Forced

Access to and Manipulation of the Formal Arguments

The Number of Rows/Columns of an Array

Are we using R, rather than S?

Lists -- Generic and Dotted Pairs

Double Colon and Triple Colon Operators

Value of Last Evaluated Expression

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

Parentheses and Braces

Find Labels from Object

Test for an S4 object

Localization Information

Platform Specific Variables

Report Time Spent in Garbage Collection

Loading and Unloading Name Spaces

Torture Garbage Collector

List the Files in a Directory/Folder

Compute or Estimate the Condition Number of a Matrix

Create a Matrix or a Vector

Namespace Reflection Support

Kronecker Products on Arrays

Convert to or from Raw Vectors

Levels Attributes

Wildcard Expansion on File Paths

Transfer Binary Data To and From Connections

Read a Line from the Terminal

Finalization of Objects

Search Paths for Packages

Find Maximum Position in Matrix

‘Jitter’ (Add Noise) to Numbers

Extract System and User Information

Logical Vectors

Query or Set Aspects of the Locale

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

Version Information

Apply a Function over a List or Vector

Lazy Load a Database of R Objects

Simple Serialization Interface

Loading DLLs from Packages

Abbreviate Strings

The R License Terms

Argument Verification Using Partial Matching

Argument Matching

Set CPU and/or Elapsed Time Limits

Convert Object to Function

Top Level Environment

Assign a Value to a Name

Numeric Vectors

Solve a System of Equations

Convert Positions in the Search Path to Environments

Profile the Usage of Cons Cells

Merge Two Data Frames

Sorting or Ordering Vectors

The Names of an Object

Stop Function Execution

Ensure the Truth of R Expressions

Class for ‘no quote’ Printing of Character Strings

Wrap Character Strings to Format Paragraphs

Report Capabilities of this Build of R

Call With Current Continuation

Lower and Upper Triangular Part of a Matrix

Subsetting Vectors, Matrices and Data Frames

The Number of Arguments to a Function

Select One of a List of Alternatives

Compute the Norm of a Matrix

Pretty Breakpoints

Make Syntactically Valid Names

Functions to Access the Function Call Stack

taskCallbackManager

Create an R-level Task Callback Manager

taskCallbackNames

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

Expand a String with Respect to a Target Table

Make Character Strings Unique

Extract Unique Elements

print.data.frame

Printing Data Frames

Delete Files and Directories

Diagnostic Messages

Does a Formal Argument have a Value?

numeric_version

Numeric Versions

Character Vectors

Copyrights of Files Used to Build R

Express File Paths in Canonical Form

Not Yet Implemented Functions and Unused Arguments

Matrix Crossproduct

Convert a Data Frame to a Numeric Matrix

Display Numbers in Octal

Function Exit Code

Options Settings

dataframeHelpers

Data Frame Auxiliary Functions

Ordering Permutation

Write Lines to a Connection

Debug a Function

Parse Expressions

Auxiliary Function for Sorting and Ranking

Concatenate Strings

Outer Product of Arrays

Hooks for Namespace Events

Express Table Entries as Fraction of Marginal Table

Push Text Back on to a Connection

Delay Evaluation

Namespace Internals

Drop Unused Levels from Factors

Text Representations of R Objects

Default Printing

Partial String Matching

Find Zeros of a Real or Complex Polynomial

Print Matrices, Old-style

The QR Decomposition of a Matrix

Apply a Function Over Values in an Environment

Spectral Decomposition of a Matrix

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

Extract File Information

Transfer Character Strings To and From Connections

Construct Path to File

Read Text Lines from a Connection

Replicate Elements of Vectors and Lists

Return the Value of a Named Object

Compute DLL for Native Interface Call

Replace Values in a Vector

Get and Set Row Names for Data Frames

S3 Group Generic Functions

Sequence Generation

Create A Vector of Sequences

Extract or Replace A Slot

Wait on Socket Connections

Terminate an R Session

Grouping Permutation

Raw Connections

Parse and Evaluate Expressions from a File

Range of Values

Reverse Elements

Recursively Apply a Function to a List

Run Length Encoding

Invoke a System Command

Give Search Path for R Objects

Functions to Reposition Connections

Random Samples and Permutations

Change the Print Mode to Invisible

Apply a Function Over a Ragged Array

Generate Regular Sequences of Dates

Regular Expressions as used in R

Add or Remove a Top-Level Task Callback

Try an Expression Allowing Error Recovery

Generate Regular Sequences of Times

The Type of an Object

Extract Parts of a POSIXt or Date Object

Extract or Replace Matched Substrings

Finite, Infinite and NaN Numbers

Remove Objects from a Specified Environment

Read R Code from a File, a Connection or Expressions

Round / Truncate Data-Time Objects

Is an Object of Single Precision Type?

Which indices are TRUE?

Date-time Conversion Functions to and from Character

Test if an Object is Not Sorted

Length of an Object

Divide into Groups and Reassemble

Repeat the Elements of a Character Vector

Lengths of List or Vector Elements

Miscellaneous Internal/Programming Utilities

Trim Character Strings to Specified Display Widths

Attribute Specification

Convert an R Object to a Character String

Use C-style String Formatting Commands

References to Source Files and Code

Singular Value Decomposition of a Matrix

Interactive Tracing and Debugging of Calls to a Function or Method

Quote Strings for Use in OS Shells

From A List, Build or Add To an Environment

Get and Print Call Stacks

Reload Saved Datasets

Trace Copying of Objects

Sweep out Array Summaries

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

Invoke a System Command

Evaluate an Expression in a Data Environment

showConnections

Display Connections

standardGeneric

Formal Method System -- Dispatching S4 Methods

Rounding of Numbers: Zapping Small Ones to Zero

Matrix Transpose

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

Does String Start or End With Another String?

Extract a Function Specified by Name

Substituting and Quoting Expressions

Listing of Packages

Substrings of a Character Vector

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

Cross Tabulation and Table Creation

Matrix Multiplication

The (Storage) Mode of an Object

Tabulation for Vectors

Create Names for Temporary Files

Text Connections

Names and Symbols

Remove names or dimnames

Check if a Character Vector is Validly Encoded

Count the Number of Characters (or Bytes or Width)

The Number of Levels of a Factor

Numerical Characteristics of the Machine

Expand File Paths

Scripting Language Interface

Report Configuration Options for PCRE

Running Time of R

Product of Vector Elements

Serialization Interface for Single Objects

Set Environment Variables from a File

Scaling and Centering of Matrix-like Objects

Read Data Values

Send R Output to a File

Slice Indexes in an Array

Split the Elements of a Character Vector

Sum of Vector Elements

Convert Strings to Integers

Object Summaries

Find Names of R System Files

Transform an Object, for Example a Data Frame

Remove Leading/Trailing Whitespace

Warning Messages

Print Warning Messages

Return both a Value and its Visibility

Write Data to a File