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base (version 3.2.4)

The R Base Package

Description

Base R functions.

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Version

Version

3.2.4

License

Part of R 3.2.4

Maintainer

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

Last Published

December 12th, 2019

Functions in base (3.2.4)

Approximate String Matching (Fuzzy Matching)

Test if Two Objects are (Nearly) Equal

Apply Functions Over Array Margins

Are Some Values True?

Array Transposition

Are All Values True?

Abbreviate Strings

Find All Names in an Expression

Argument List of a Function

Convert Object to Function

Arithmetic Operators

Coerce to an Environment Object

Inhibit Interpretation/Conversion of Objects

Multi-way Arrays

Coerce to a Data Frame

Assign a Value to a Name

Date Conversion Functions to and from Character

Date-time Conversion Functions

Assignment Operators

The R Base Package

Manipulate File Paths

Object Attribute Lists

base-deprecated

Deprecated Functions in Package base

Attach Set of R Objects to Search Path

Object Attributes

Defunct Functions in Package base

Internal Objects in Package base

On-demand Loading of Packages

Solve an Upper or Lower Triangular System

Returns the Names of All Built-in Objects

Apply a Function to a Data Frame Split by Factors

Functions to Retrieve Values Supplied by Calls to the Browser

Partial substitution in expressions

Access to and Manipulation of the Body of a Function

Environment Browser

Bessel Functions

Bin a Numeric Vector

Binding and Environment Locking, Active Bindings

Bitwise Logical Operations

Report Capabilities of this Build of R

Character Vectors

Combine Values into a Vector or List

Modern Interfaces to C/C++ code

Expand a String with Respect to a Target Table

Partial String Matching

Concatenate and Print

Combine R Objects by Rows or Columns

Call With Current Continuation

Character Translation and Casefolding

Query or Set a "comment" Attribute

Extract Command Line Arguments

Form Row and Column Sums and Means

The Choleski Decomposition

Row and Column Names

Inverse from Choleski (or QR) Decomposition

R Project Contributors

Copyrights of Files Used to Build R

Matrix Crossproduct

Complex Vectors

Relational Operators

Search for Masked Objects on the Search Path

Condition Handling and Recovery

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

Built-in Constants

Convert Numeric to Factor

Convert a Date or Date-Time Object to a Factor

Marking Objects as Deprecated

Options for Expression Deparsing

Lagged Differences

Apply a Function Over Values in an Environment

Spectral Decomposition of a Matrix

Debug a Function

Marking Objects as Defunct

Identity Function to Suppress Checking

Double-Precision Vectors

Read or Set the Declared Encodings for a Character Vector

Encode Character Vector as for Printing

Extract.data.frame

Extract or Replace Parts of a Data Frame

Extract or Replace Parts of a Factor

Foreign Function Interface

Retrieve Headers from URLs

Access to and Manipulation of the Formal Arguments

Report Version of libcurl

Delay Evaluation

Expression Deparsing

Text Representations of R Objects

dataframeHelpers

Data Frame Auxiliary Functions

Convert a Data Frame to a Numeric Matrix

DateTimeClasses

Date-Time Classes

Dimensions of an Object

Read and Write Data in DCF Format

Execute a Function Call

Report Information on C Stack Size and Usage

Cumulative Sums, Products, and Extremes

Matrix Diagonals

Lists of Open/Active Graphics Devices

Write an Object to a File or Recreate it

Drop Redundant Extent Information

Display One or More Text Files

Unevaluated Expressions

Create a Data Frame from All Combinations of Factors

File Manipulation

Torture Garbage Collector

Report Time Spent in Garbage Collection

Generate Factor Levels

Pattern Matching and Replacement

InternalMethods

Internal Generic Functions

Foreign-internal

Internal Versions of the Foreign Function Interface

Call a function with Some Arguments Forced

Change the Print Mode to Invisible

Common Higher-Order Functions in Functional Programming Languages

Garbage Collection

Get or Set Working Directory

Translate Text Messages

System Date and Time

Detach Objects from the Search Path

Calculate the Determinant of a Matrix

Determine Duplicate Elements

Foreign Function Interface

Environment Access

Environment Variables

Ascertain File Accessibility

Choose a File Interactively

format(.) Information

Encode in a Common Format

Function Definition

Format Description Lists

(De)compress I/O Through Connections

Is an Object Defined?

Evaluate an (Unevaluated) Expression

Manipulaton of Directories and File Permissions

Hyperbolic Functions

Convert Character Vector between Encodings

Extract or Replace Parts of an Object

Extract File Information

Maxima and Minima

Construct Path to File

Format P Values

Formatting Using C-style Formats

Identity Function

Conditional Element Selection

Finite, Infinite and NaN Numbers

Is an Object of Type (Primitive) Function?

From A List, Build or Add To an Environment

Length of an Object

Lazy Load a Database of R Objects

Report Versions of Third-Party Software

Reload Saved Datasets

Find Interval Numbers or Indices

Force Evaluation of an Argument

getNativeSymbolInfo

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

getDLLRegisteredRoutines

Reflectance Information for C/Fortran routines in a DLL

Kronecker Products on Arrays

Test if a Matrix or other Object is Symmetric

Test for an S4 object

Localization Information

Make Syntactically Valid Names

The (Storage) Mode of an Object

The Number of Rows/Columns of an Array

Convert Positions in the Search Path to Environments

Double Colon and Triple Colon Operators

Random Number Generation

Transfer Binary Data To and From Connections

Utilities for Processing Rd Files

Range of Values

Pretty Breakpoints

Run Length Encoding

Return the R Home Directory

Display Numbers in Hexadecimal

Setup Collation by ICU

Test Objects for Exact Equality

Compute or Estimate the Condition Number of a Matrix

‘Jitter’ (Add Noise) to Numbers

Loading DLLs from Packages

Search Paths for Packages

Lower and Upper Triangular Part of a Matrix

Miscellaneous Mathematical Functions

Date-time Conversion Functions from Numeric Representations

Are we using R, rather than S?

The R License Terms

Loading/Attaching and Listing of Packages

Logical Vectors

Logical Operators

Find Maximum Position in Matrix

Profile the Usage of Cons Cells

Merge Two Data Frames

Return the Value of a Named Object

Compute DLL for Native Interface Call

Pattern Matching for Raw Vectors

S3 Group Generic Functions

Integer Vectors

Is an Object of Single Precision Type?

Is an Object Atomic or Recursive?

Compute Factor Interactions

Find Labels from Object

Lengths of List or Vector Elements

Levels Attributes

Extract a Function Specified by Name

Arithmetic Mean

Express File Paths in Canonical Form

In-memory Compression and Decompression

Matrix Multiplication

Not Yet Implemented Functions and Unused Arguments

Diagnostic Messages

Does a Formal Argument have a Value?

The Names of an Object

The Number of Arguments to a Function

Top Level Environment

Function Exit Code

The Null Object

Default Printing

Operators on the Date Class

Product of Vector Elements

Express Table Entries as Fraction of Marginal Table

Set Environment Variables from a File

Recursive Calling

Give Search Path for R Objects

Read R Code from a File or a Connection

Functions to Reposition Connections

Special Functions of Mathematics

Stop Function Execution

Logarithms and Exponentials

Query or Set Aspects of the Locale

Compute table margin

Create a Matrix or a Vector

Class for ‘no quote’ Printing of Character Strings

Compute the Norm of a Matrix

Namespace Internals

Hooks for Namespace Events

Outer Product of Arrays

Ordering Permutation

Loading and Unloading Name Spaces

Names and Symbols

Namespace Reflection Support

Parentheses and Braces

Parse Expressions

Partial String Matching

Find Zeros of a Real or Complex Polynomial

Transfer Character Strings To and From Connections

User-supplied Random Number Generation

NumericConstants

Numeric Constants

Display Numbers in Octal

Report Configuration Options for PCRE

Platform Specific Variables

The QR Decomposition of a Matrix

Push Text Back on to a Connection

Serialization Interface for Single Objects

Read Text Lines from a Connection

Extract or Replace Matched Substrings

Finalization of Objects

Is R Running Interactively?

Call an Internal Function

Is an Object a Language Object?

Is an Object ‘internally classed’?

Apply a Function over a List or Vector

Apply a Function to Multiple List or Vector Arguments

Make Character Strings Unique

Lists -- Generic and Dotted Pairs

List the Files in a Directory/Folder

Value of Last Evaluated Expression

Argument Verification Using Partial Matching

Argument Matching

Memory Available for Data Storage

Memory Limits in R

Count the Number of Characters (or Bytes or Width)

The Number of Levels of a Factor

Concatenate Strings

Numeric Vectors

numeric_version

Numeric Versions

Expand File Paths

Look Up a Primitive Function

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

print.data.frame

Printing Data Frames

Terminate an R Session

Raw Connections

Remove Objects from a Specified Environment

Replace Values in a Vector

Replicate Elements of Vectors and Lists

Round / Truncate Data-Time Objects

Simple Serialization Interface

Solve a System of Equations

Sorting or Ordering Vectors

Divide into Groups and Reassemble

Use C-style String Formatting Commands

Select One of a List of Alternatives

Sweep out Array Summaries

Rounding of Numbers

Extract or Replace A Slot

Wait on Socket Connections

Split the Elements of a Character Vector

Convert Strings to Integers

Substituting and Quoting Expressions

Functions to Access the Function Call Stack

Substrings of a Character Vector

Get Environment Variables

Operator Syntax and Precedence

Read File Symbolic Links

Invoke a System Command

Matrix Transpose

Add or Remove a Top-Level Task Callback

Apply a Function Over a Ragged Array

Print Warning Messages

Extract Parts of a POSIXt or Date Object

Random Samples and Permutations

Create A Vector of Sequences

Generate Regular Sequences of Times

Quote Strings for Use in OS Shells

standardGeneric

Formal Method System -- Dispatching S4 Methods

Initialization at Start of an R Session

Trim Character Strings to Specified Display Widths

taskCallbackManager

Create an R-level Task Callback Manager

taskCallbackNames

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

Attribute Specification

Try an Expression Allowing Error Recovery

Remove Leading/Trailing Whitespace

Numerical Characteristics of the Machine

Listing of Packages

Read a Line from the Terminal

Scaling and Centering of Matrix-like Objects

Read Data Values

Set CPU and/or Elapsed Time Limits

showConnections

Display Connections

Wildcard Expansion on File Paths

Get the Process ID of the R Session

Find Names of R System Files

Create Names for Temporary Files

Text Connections

The Type of an Object

Extract Unique Elements

Vectorize a Scalar Function

Return both a value and its visibility

Evaluate an Expression in a Data Environment

Scripting Language Interface

Miscellaneous Internal/Programming Utilities

Set or Unset Environment Variables

Get Current Date and Time

Sys.setFileTime

Find Full Paths to Executables

Trace Copying of Objects

Print Call Stacks

Remove names or dimnames

Write Lines to a Connection

Write Data to a File

Ensure the Truth of R Expressions

Wrap Character Strings to Format Paragraphs

Subsetting Vectors, Matrices and Data Frames

Cross Tabulation and Table Creation

Convert an R Object to a Character String

Tabulation for Vectors

Interactive Tracing and Debugging of Calls to a Function or Method

Transform an Object, for Example a Data Frame

Trigonometric Functions

Print Matrices, Old-style

Running Time of R

Recursively Apply a Function to a List

Get and Set Row Names for Data Frames

Reverse Elements

Reserved Words in R

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

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

Generate Regular Sequences of Dates

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

Which indices are TRUE?

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

Sequence Generation

Send R Output to a File

Slice Indexes in an Array

References to source files

Sum of Vector Elements

Extract System and User Information

Object Summaries

Suspend Execution for a Time Interval

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

Parse and Evaluate Expressions from a File

Delete Files and Directories

Version Information

Warning Messages

Rounding of Numbers

Auxiliary Function for Sorting and Ranking