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base (version 3.2.1)

The R Base Package

Description

Base R functions.

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Version

Version

3.2.1

License

Part of R 3.2.1

Maintainer

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

Last Published

December 12th, 2019

Functions in base (3.2.1)

Abbreviate Strings

Approximate String Matching (Fuzzy Matching)

Are All Values True?

Array Transposition

Are Some Values True?

Test if Two Objects are (Nearly) Equal

Find All Names in an Expression

Apply Functions Over Array Margins

Argument List of a Function

Assign a Value to a Name

Convert Object to Function

Arithmetic Operators

Multi-way Arrays

Coerce to a Data Frame

Coerce to an Environment Object

Inhibit Interpretation/Conversion of Objects

Date Conversion Functions to and from Character

Assignment Operators

Date-time Conversion Functions

Attach Set of R Objects to Search Path

Object Attributes

base-deprecated

Deprecated Functions in Package base

Object Attribute Lists

Internal Objects in Package base

The R Base Package

Defunct Functions in Package base

Manipulate File Paths

Solve an Upper or Lower Triangular System

On-demand Loading of Packages

Returns the Names of All Built-in Objects

Partial substitution in expressions

Bitwise Logical Operations

Functions to Retrieve Values Supplied by Calls to the Browser

Bessel Functions

Bin a Numeric Vector

Access to and Manipulation of the Body of a Function

Apply a Function to a Data Frame Split by Factors

Environment Browser

Binding and Environment Locking, Active Bindings

Expand a String with Respect to a Target Table

Concatenate and Print

Modern Interfaces to C/C++ code

Partial String Matching

Call With Current Continuation

Combine Values into a Vector or List

Character Vectors

Report Capabilities of this Build of R

Combine R Objects by Rows or Columns

The Choleski Decomposition

Inverse from Choleski (or QR) Decomposition

Row and Column Names

Extract Command Line Arguments

Query or Set a "comment" Attribute

Form Row and Column Sums and Means

Character Translation and Casefolding

Functions to Manipulate Connections

R Project Contributors

Built-in Constants

Retrieve Headers from URLs

Report Version of libcurl

Identity Function to Suppress Checking

Double-Precision Vectors

Copyrights of Files Used to Build R

Matrix Crossproduct

DateTimeClasses

Date-Time Classes

Convert a Date or Date-Time Object to a Factor

Determine Duplicate Elements

Convert Numeric to Factor

Read and Write Data in DCF Format

Lagged Differences

Condition Handling and Recovery

Foreign Function Interface

Search for Masked Objects on the Search Path

Marking Objects as Deprecated

Options for Expression Deparsing

Drop Redundant Extent Information

Write an Object to a File or Recreate it

Lists of Open/Active Graphics Devices

Matrix Diagonals

Is an Object Defined?

Evaluate an (Unevaluated) Expression

System Date and Time

Maxima and Minima

Text Representations of R Objects

Extract or Replace Parts of an Object

Display One or More Files

Convert a Data Frame to a Numeric Matrix

File Manipulation

dataframeHelpers

Data Frame Auxiliary Functions

Delay Evaluation

Dimensions of an Object

Expression Deparsing

Execute a Function Call

Spectral Decomposition of a Matrix

Apply a Function Over Values in an Environment

Report Versions of Third-Party Software

Return the Value of a Named Object

Compute DLL for Native Interface Call

(De)compress I/O Through Connections

Is R Running Interactively?

Display Numbers in Hexadecimal

‘Jitter’ (Add Noise) to Numbers

Call an Internal Function

Query or Set Aspects of the Locale

Environment Access

Logarithms and Exponentials

Compute or Estimate the Condition Number of a Matrix

Ascertain File Accessibility

Environment Variables

Choose a File Interactively

Access to and Manipulation of the Formal Arguments

Foreign Function Interface

Torture Garbage Collector

Report Time Spent in Garbage Collection

Convert Character Vector between Encodings

Hyperbolic Functions

Encode in a Common Format

format(.) Information

Setup Collation by ICU

Test Objects for Exact Equality

Test for an S4 object

Test if a Matrix or other Object is Symmetric

Localization Information

Kronecker Products on Arrays

List the Files in a Directory/Folder

Lists -- Generic and Dotted Pairs

Relational Operators

Complex Vectors

Report Information on C Stack Size and Usage

Cumulative Sums, Products, and Extremes

Marking Objects as Defunct

Debug a Function

Calculate the Determinant of a Matrix

Detach Objects from the Search Path

Encode Character Vector as for Printing

Read or Set the Declared Encodings for a Character Vector

Format P Values

Format Description Lists

Function Definition

Pattern Matching for Raw Vectors

Formatting Using C-style Formats

S3 Group Generic Functions

Matrix Multiplication

Miscellaneous Mathematical Functions

Arithmetic Mean

In-memory Compression and Decompression

Double Colon and Triple Colon Operators

The Number of Rows/Columns of an Array

Extract.data.frame

Extract or Replace Parts of a Data Frame

Extract or Replace Parts of a Factor

Find Interval Numbers or Indices

Force Evaluation of an Argument

Manipulaton of Directories and File Permissions

Generate Factor Levels

getNativeSymbolInfo

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

Pattern Matching and Replacement

getDLLRegisteredRoutines

Reflectance Information for C/Fortran routines in a DLL

The Names of an Object

Print Matrices, Old-style

Raw Connections

Running Time of R

Recursive Calling

Set Environment Variables from a File

The Number of Arguments to a Function

Extract a Function Specified by Name

Is an Object a Language Object?

Identity Function

Lazy Load a Database of R Objects

Is an Object ‘internally classed’?

From A List, Build or Add To an Environment

Length of an Object

Reload Saved Datasets

Lower and Upper Triangular Part of a Matrix

Conditional Element Selection

Concatenate Strings

NumericConstants

Numeric Constants

Display Numbers in Octal

Partial String Matching

Find Zeros of a Real or Complex Polynomial

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

Terminate an R Session

Read a Line from the Terminal

Expand File Paths

Transfer Character Strings To and From Connections

InternalMethods

Internal Generic Functions

Is an Object of Type (Primitive) Function?

Loading/Attaching and Listing of Packages

Change the Print Mode to Invisible

The R License Terms

Finite, Infinite and NaN Numbers

Argument Verification Using Partial Matching

Make Syntactically Valid Names

Argument Matching

Count the Number of Characters (or Bytes or Width)

Names and Symbols

The (Storage) Mode of an Object

Find Maximum Position in Matrix

The Number of Levels of a Factor

Replicate Elements of Vectors and Lists

Rounding of Numbers

Remove Objects from a Specified Environment

Replace Values in a Vector

Set CPU and/or Elapsed Time Limits

Solve a System of Equations

Sorting or Ordering Vectors

showConnections

Display Connections

Date-time Conversion Functions from Numeric Representations

Are we using R, rather than S?

Find Labels from Object

Levels Attributes

Lengths of List or Vector Elements

Make Character Strings Unique

Apply a Function to Multiple List or Vector Arguments

Compute table margin

Does a Formal Argument have a Value?

Diagnostic Messages

Create a Matrix or a Vector

Memory Limits in R

Class for ‘no quote’ Printing of Character Strings

Compute the Norm of a Matrix

Memory Available for Data Storage

Express File Paths in Canonical Form

Product of Vector Elements

Outer Product of Arrays

Ordering Permutation

The Null Object

Not Yet Implemented Functions and Unused Arguments

Top Level Environment

numeric_version

Numeric Versions

Numeric Vectors

Report Configuration Options for PCRE

Platform Specific Variables

Convert Positions in the Search Path to Environments

Read Text Lines from a Connection

User-supplied Random Number Generation

Pretty Breakpoints

Reserved Words in R

Serialization Interface for Single Objects

Round / Truncate Data-Time Objects

Reverse Elements

Give Search Path for R Objects

Functions to Reposition Connections

Slice Indexes in an Array

Send R Output to a File

Ensure the Truth of R Expressions

Stop Function Execution

Convert Strings to Integers

Split the Elements of a Character Vector

Find Names of R System Files

Create Names for Temporary Files

Remove Leading/Trailing Whitespace

Text Connections

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

Try an Expression Allowing Error Recovery

Hooks for Namespace Events

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

Function Exit Code

Namespace Internals

Operators on the Date Class

Default Printing

Express Table Entries as Fraction of Marginal Table

Utilities for Processing Rd Files

The QR Decomposition of a Matrix

Push Text Back on to a Connection

Return the R Home Directory

Recursively Apply a Function to a List

Run Length Encoding

Random Samples and Permutations

Sequence Generation

Generate Regular Sequences of Dates

Finalization of Objects

Transfer Binary Data To and From Connections

Quote Strings for Use in OS Shells

Get and Set Row Names for Data Frames

Extract or Replace Matched Substrings

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

Special Functions of Mathematics

Read R Code from a File or a Connection

Sum of Vector Elements

References to source files

Create a Data Frame from All Combinations of Factors

Extract File Information

Unevaluated Expressions

Construct Path to File

Call a function with Some Arguments Forced

Foreign-internal

Internal Versions of the Foreign Function Interface

Common Higher-Order Functions in Functional Programming Languages

Get or Set Working Directory

Translate Text Messages

Garbage Collection

Compute Factor Interactions

Integer Vectors

Is an Object of Single Precision Type?

Is an Object Atomic or Recursive?

Apply a Function over a List or Vector

Logical Operators

Value of Last Evaluated Expression

Loading DLLs from Packages

Search Paths for Packages

Sweep out Array Summaries

Logical Vectors

Extract System and User Information

Select One of a List of Alternatives

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

Suspend Execution for a Time Interval

Parse and Evaluate Expressions from a File

Rounding of Numbers

Merge Two Data Frames

Profile the Usage of Cons Cells

Auxiliary Function for Sorting and Ranking

Loading and Unloading Name Spaces

Parentheses and Braces

Namespace Reflection Support

Parse Expressions

Look Up a Primitive Function

print.data.frame

Printing Data Frames

Random Number Generation

Substrings of a Character Vector

Substituting and Quoting Expressions

Range of Values

Set or Unset Environment Variables

Cross Tabulation and Table Creation

Sys.setFileTime

Tabulation for Vectors

Apply a Function Over a Ragged Array

Add or Remove a Top-Level Task Callback

Which indices are TRUE?

Trigonometric Functions

Transform an Object, for Example a Data Frame

Generate Regular Sequences of Times

Read Data Values

Scaling and Centering of Matrix-like Objects

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

Create A Vector of Sequences

Trim Character Strings to Specified Display Widths

Use C-style String Formatting Commands

Divide into Groups and Reassemble

Object Summaries

Read File Symbolic Links

Attribute Specification

Functions to Access the Function Call Stack

Wildcard Expansion on File Paths

Get the Process ID of the R Session

Print Call Stacks

Trace Copying of Objects

Vectorize a Scalar Function

Invoke a System Command

taskCallbackNames

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

taskCallbackManager

Create an R-level Task Callback Manager

Matrix Transpose

The Type of an Object

Extract Unique Elements

Listing of Packages

Simple Serialization Interface

Numerical Characteristics of the Machine

Print Warning Messages

Extract Parts of a POSIXt or Date Object

Extract or Replace A Slot

Wait on Socket Connections

standardGeneric

Formal Method System -- Dispatching S4 Methods

Initialization at Start of an R Session

Operator Syntax and Precedence

Subsetting Vectors, Matrices and Data Frames

Wrap Character Strings to Format Paragraphs

Get Current Date and Time

Get Environment Variables

Convert an R Object to a Character String

Find Full Paths to Executables

Interactive Tracing and Debugging of Calls to a Function or Method

Delete Files and Directories

Evaluate an Expression in a Data Environment

Warning Messages

Version Information

Return both a value and its visibility

Remove names or dimnames

Write Data to a File

Write Lines to a Connection

Scripting Language Interface

Miscellaneous Internal/Programming Utilities