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base (version 3.2.3)

The R Base Package

Description

Base R functions.

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Version

Version

3.2.3

License

Part of R 3.2.3

Maintainer

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

Last Published

December 12th, 2019

Functions in base (3.2.3)

Are All Values True?

Abbreviate Strings

Array Transposition

Apply Functions Over Array Margins

Are Some Values True?

Find All Names in an Expression

Test if Two Objects are (Nearly) Equal

Argument List of a Function

Approximate String Matching (Fuzzy Matching)

Inhibit Interpretation/Conversion of Objects

Coerce to a Data Frame

Assign a Value to a Name

Convert Object to Function

Date-time Conversion Functions

Coerce to an Environment Object

Assignment Operators

Multi-way Arrays

Arithmetic Operators

Date Conversion Functions to and from Character

base-deprecated

Deprecated Functions in Package base

Solve an Upper or Lower Triangular System

The R Base Package

Manipulate File Paths

Object Attribute Lists

On-demand Loading of Packages

Internal Objects in Package base

Defunct Functions in Package base

Object Attributes

Attach Set of R Objects to Search Path

Functions to Retrieve Values Supplied by Calls to the Browser

Returns the Names of All Built-in Objects

Apply a Function to a Data Frame Split by Factors

Access to and Manipulation of the Body of a Function

Partial substitution in expressions

Bin a Numeric Vector

Bessel Functions

Environment Browser

Bitwise Logical Operations

Binding and Environment Locking, Active Bindings

Call With Current Continuation

Expand a String with Respect to a Target Table

Combine R Objects by Rows or Columns

Concatenate and Print

Combine Values into a Vector or List

Report Capabilities of this Build of R

Character Vectors

Modern Interfaces to C/C++ code

Partial String Matching

The Choleski Decomposition

Form Row and Column Sums and Means

Inverse from Choleski (or QR) Decomposition

Character Translation and Casefolding

Row and Column Names

Query or Set a "comment" Attribute

Extract Command Line Arguments

Condition Handling and Recovery

Search for Masked Objects on the Search Path

Complex Vectors

Relational Operators

Built-in Constants

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

Matrix Crossproduct

Copyrights of Files Used to Build R

R Project Contributors

Convert a Data Frame to a Numeric Matrix

dataframeHelpers

Data Frame Auxiliary Functions

System Date and Time

Lists of Open/Active Graphics Devices

Debug a Function

Matrix Diagonals

Marking Objects as Defunct

Identity Function to Suppress Checking

Double-Precision Vectors

Text Representations of R Objects

Report Versions of Third-Party Software

Report Information on C Stack Size and Usage

Cumulative Sums, Products, and Extremes

Dimensions of an Object

Execute a Function Call

Determine Duplicate Elements

Foreign Function Interface

Convert Numeric to Factor

Convert a Date or Date-Time Object to a Factor

Delay Evaluation

Expression Deparsing

Write an Object to a File or Recreate it

Create a Data Frame from All Combinations of Factors

Drop Redundant Extent Information

Apply a Function Over Values in an Environment

Spectral Decomposition of a Matrix

Evaluate an (Unevaluated) Expression

Display One or More Text Files

Is an Object Defined?

File Manipulation

Foreign Function Interface

Unevaluated Expressions

Format P Values

Formatting Using C-style Formats

Return the Value of a Named Object

Compute DLL for Native Interface Call

Translate Text Messages

Hyperbolic Functions

Convert Character Vector between Encodings

Conditional Element Selection

Identity Function

Finite, Infinite and NaN Numbers

Is an Object of Type (Primitive) Function?

‘Jitter’ (Add Noise) to Numbers

Compute or Estimate the Condition Number of a Matrix

Retrieve Headers from URLs

Report Version of libcurl

DateTimeClasses

Date-Time Classes

Detach Objects from the Search Path

Calculate the Determinant of a Matrix

Read and Write Data in DCF Format

Extract or Replace Parts of an Object

Marking Objects as Deprecated

Options for Expression Deparsing

Lagged Differences

Encode Character Vector as for Printing

Environment Variables

Environment Access

Read or Set the Declared Encodings for a Character Vector

Ascertain File Accessibility

Choose a File Interactively

format(.) Information

Extract.data.frame

Extract or Replace Parts of a Data Frame

Extract or Replace Parts of a Factor

Manipulaton of Directories and File Permissions

Force Evaluation of an Argument

Find Interval Numbers or Indices

Garbage Collection

Common Higher-Order Functions in Functional Programming Languages

Access to and Manipulation of the Formal Arguments

Report Time Spent in Garbage Collection

InternalMethods

Internal Generic Functions

Torture Garbage Collector

Change the Print Mode to Invisible

Localization Information

Logical Operators

The R License Terms

Kronecker Products on Arrays

Loading/Attaching and Listing of Packages

Get or Set Working Directory

Is an Object ‘internally classed’?

Is an Object a Language Object?

Find Labels from Object

Loading DLLs from Packages

Search Paths for Packages

Is R Running Interactively?

Pattern Matching for Raw Vectors

S3 Group Generic Functions

Test for an S4 object

Call an Internal Function

Test if a Matrix or other Object is Symmetric

Levels Attributes

Lengths of List or Vector Elements

Query or Set Aspects of the Locale

Extract a Function Specified by Name

Logarithms and Exponentials

The (Storage) Mode of an Object

Count the Number of Characters (or Bytes or Width)

Names and Symbols

The Number of Levels of a Factor

Top Level Environment

The Null Object

Concatenate Strings

Convert Positions in the Search Path to Environments

Express Table Entries as Fraction of Marginal Table

Product of Vector Elements

Pretty Breakpoints

Expand File Paths

Raw Connections

List the Files in a Directory/Folder

Lists -- Generic and Dotted Pairs

Make Syntactically Valid Names

Matrix Multiplication

Miscellaneous Mathematical Functions

Function Exit Code

In-memory Compression and Decompression

Arithmetic Mean

Operators on the Date Class

Logical Vectors

Compute table margin

Create a Matrix or a Vector

Memory Available for Data Storage

Memory Limits in R

The Number of Arguments to a Function

The Names of an Object

Numeric Vectors

numeric_version

Numeric Versions

Parentheses and Braces

Finalization of Objects

Extract or Replace Matched Substrings

Rounding of Numbers

Remove Objects from a Specified Environment

Solve a System of Equations

Simple Serialization Interface

Trim Character Strings to Specified Display Widths

Sorting or Ordering Vectors

Attribute Specification

Set or Unset Environment Variables

Create Names for Temporary Files

Sys.setFileTime

Text Connections

Remove Leading/Trailing Whitespace

Try an Expression Allowing Error Recovery

Remove names or dimnames

Auxiliary Function for Sorting and Ranking

Maxima and Minima

Extract File Information

Construct Path to File

getDLLRegisteredRoutines

Reflectance Information for C/Fortran routines in a DLL

Foreign-internal

Internal Versions of the Foreign Function Interface

Call a function with Some Arguments Forced

(De)compress I/O Through Connections

getNativeSymbolInfo

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

Display Numbers in Hexadecimal

Integer Vectors

Parse Expressions

Print Matrices, Old-style

Push Text Back on to a Connection

Running Time of R

Transfer Character Strings To and From Connections

The QR Decomposition of a Matrix

Read a Line from the Terminal

Random Samples and Permutations

Give Search Path for R Objects

Rounding of Numbers

Scripting Language Interface

Miscellaneous Internal/Programming Utilities

Encode in a Common Format

Format Description Lists

Pattern Matching and Replacement

Generate Factor Levels

Function Definition

Test Objects for Exact Equality

Setup Collation by ICU

Functions to Reposition Connections

Send R Output to a File

Slice Indexes in an Array

Divide into Groups and Reassemble

Get the Process ID of the R Session

Select One of a List of Alternatives

Sweep out Array Summaries

Use C-style String Formatting Commands

Invoke a System Command

Wildcard Expansion on File Paths

User-supplied Random Number Generation

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

Get and Set Row Names for Data Frames

showConnections

Display Connections

Set CPU and/or Elapsed Time Limits

Special Functions of Mathematics

Read R Code from a File or a Connection

Is an Object Atomic or Recursive?

Is an Object of Single Precision Type?

Apply a Function over a List or Vector

Reload Saved Datasets

From A List, Build or Add To an Environment

Value of Last Evaluated Expression

Make Character Strings Unique

Apply a Function to Multiple List or Vector Arguments

Argument Matching

Argument Verification Using Partial Matching

Matrix Transpose

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

The Type of an Object

Extract Unique Elements

Date-time Conversion Functions from Numeric Representations

Compute Factor Interactions

Are we using R, rather than S?

Length of an Object

Lazy Load a Database of R Objects

Profile the Usage of Cons Cells

Merge Two Data Frames

Lower and Upper Triangular Part of a Matrix

The Number of Rows/Columns of an Array

Find Maximum Position in Matrix

Express File Paths in Canonical Form

Not Yet Implemented Functions and Unused Arguments

Diagnostic Messages

Does a Formal Argument have a Value?

NumericConstants

Numeric Constants

Display Numbers in Octal

Ordering Permutation

Default Printing

Outer Product of Arrays

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

Numerical Characteristics of the Machine

Listing of Packages

Read Text Lines from a Connection

Serialization Interface for Single Objects

Set Environment Variables from a File

Scaling and Centering of Matrix-like Objects

Read Data Values

Recursive Calling

Wrap Character Strings to Format Paragraphs

Ensure the Truth of R Expressions

Stop Function Execution

Subsetting Vectors, Matrices and Data Frames

Functions to Access the Function Call Stack

Read File Symbolic Links

Suspend Execution for a Time Interval

Convert an R Object to a Character String

Parse and Evaluate Expressions from a File

Interactive Tracing and Debugging of Calls to a Function or Method

Split the Elements of a Character Vector

Convert Strings to Integers

Sum of Vector Elements

Object Summaries

Extract System and User Information

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

Find Names of R System Files

Transform an Object, for Example a Data Frame

Trigonometric Functions

Compute the Norm of a Matrix

Loading and Unloading Name Spaces

Class for ‘no quote’ Printing of Character Strings

Look Up a Primitive Function

Namespace Reflection Support

print.data.frame

Printing Data Frames

Range of Values

Random Number Generation

Recursively Apply a Function to a List

Delete Files and Directories

Return both a value and its visibility

Evaluate an Expression in a Data Environment

Reverse Elements

Reserved Words in R

Round / Truncate Data-Time Objects

Generate Regular Sequences of Dates

Sequence Generation

Quote Strings for Use in OS Shells

Vectorize a Scalar Function

References to source files

Substituting and Quoting Expressions

Substrings of a Character Vector

Operator Syntax and Precedence

Find Full Paths to Executables

Get Environment Variables

Get Current Date and Time

Apply a Function Over a Ragged Array

Add or Remove a Top-Level Task Callback

Version Information

Double Colon and Triple Colon Operators

Hooks for Namespace Events

Namespace Internals

Report Configuration Options for PCRE

Platform Specific Variables

Partial String Matching

Find Zeros of a Real or Complex Polynomial

Utilities for Processing Rd Files

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

Terminate an R Session

Warning Messages

Write Lines to a Connection

Write Data to a File

Transfer Binary Data To and From Connections

Generate Regular Sequences of Times

Run Length Encoding

Return the R Home Directory

standardGeneric

Formal Method System -- Dispatching S4 Methods

Wait on Socket Connections

Extract or Replace A Slot

Create A Vector of Sequences

Initialization at Start of an R Session

Cross Tabulation and Table Creation

Tabulation for Vectors

taskCallbackManager

Create an R-level Task Callback Manager

Trace Copying of Objects

Print Call Stacks

taskCallbackNames

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

Print Warning Messages

Which indices are TRUE?

Extract Parts of a POSIXt or Date Object

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