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base (version 3.3.1)

The R Base Package

Description

Base R functions.

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Version

Version

3.3.1

License

Part of R 3.3.1

Maintainer

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

Last Published

December 12th, 2019

Functions in base (3.3.1)

Are Some Values True?

Argument List of a Function

Apply Functions Over Array Margins

Array Transposition

Find All Names in an Expression

Approximate String Matching (Fuzzy Matching)

Test if Two Objects are (Nearly) Equal

Are All Values True?

Abbreviate Strings

Assign a Value to a Name

Date-time Conversion Functions

Coerce to an Environment Object

Assignment Operators

Inhibit Interpretation/Conversion of Objects

Date Conversion Functions to and from Character

Coerce to a Data Frame

Multi-way Arrays

Arithmetic Operators

Convert Object to Function

Object Attribute Lists

On-demand Loading of Packages

Internal Objects in Package base

Solve an Upper or Lower Triangular System

base-deprecated

Deprecated Functions in Package base

Attach Set of R Objects to Search Path

Object Attributes

The R Base Package

Defunct Functions in Package base

Manipulate File Paths

Bitwise Logical Operations

Access to and Manipulation of the Body of a Function

Partial substitution in expressions

Bessel Functions

Functions to Retrieve Values Supplied by Calls to the Browser

Environment Browser

Bin a Numeric Vector

Apply a Function to a Data Frame Split by Factors

Returns the Names of All Built-in Objects

Binding and Environment Locking, Active Bindings

Partial String Matching

Concatenate and Print

Call With Current Continuation

Character Vectors

Combine R Objects by Rows or Columns

Expand a String with Respect to a Target Table

Combine Values into a Vector or List

Report Capabilities of this Build of R

Modern Interfaces to C/C++ code

Form Row and Column Sums and Means

Row and Column Names

Inverse from Choleski (or QR) Decomposition

Character Translation and Casefolding

Extract Command Line Arguments

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

The Choleski Decomposition

Convert Numeric to Factor

Copyrights of Files Used to Build R

Matrix Crossproduct

Convert a Date or Date-Time Object to a Factor

Report Information on C Stack Size and Usage

Condition Handling and Recovery

Complex Numbers and Basic Functionality

Built-in Constants

R Project Contributors

Debug a Function

Query or Set a "comment" Attribute

Marking Objects as Defunct

Relational Operators

Convert a Data Frame to a Numeric Matrix

dataframeHelpers

Data Frame Auxiliary Functions

Expression Deparsing

Delay Evaluation

Lists of Open/Active Graphics Devices

Matrix Diagonals

Encode Character Vector as for Printing

Options for Expression Deparsing

Read or Set the Declared Encodings for a Character Vector

Dimensions of an Object

Marking Objects as Deprecated

Execute a Function Call

Text Representations of R Objects

Create a Data Frame from All Combinations of Factor Variables

Manipulaton of Directories and File Permissions

Unevaluated Expressions

Search for Masked Objects on the Search Path

Cumulative Sums, Products, and Extremes

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

Retrieve Headers from URLs

Determine Duplicate Elements

Foreign Function Interface

Environment Access

Environment Variables

Find Interval Numbers or Indices

Force Evaluation of an Argument

Foreign Function Interface

Access to and Manipulation of the Formal Arguments

Display Numbers in Hexadecimal

Hyperbolic Functions

Call an Internal Function

InternalMethods

Internal Generic Functions

Is an Object of Single Precision Type?

Date-time Conversion Functions from Numeric Representations

Display One or More Text Files

Compute or Estimate the Condition Number of a Matrix

Format P Values

File Manipulation

Formatting Using C-style Formats

getDLLRegisteredRoutines

Reflectance Information for C/Fortran routines in a DLL

Grouping Permutation

getNativeSymbolInfo

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

(De)compress I/O Through Connections

Compute Factor Interactions

Lagged Differences

Time Intervals / Differences

Write an Object to a File or Recreate it

Drop Redundant Extent Information

Evaluate an (Unevaluated) Expression

Is an Object Defined?

Ascertain File Accessibility

Choose a File Interactively

Format Description Lists

DateTimeClasses

Date-Time Classes

Read and Write Data in DCF Format

Identity Function to Suppress Checking

Double-Precision Vectors

Extract or Replace Parts of an Object

Maxima and Minima

Extract File Information

Construct Path to File

format(.) Information

Change the Print Mode to Invisible

Is R Running Interactively?

Search Paths for Packages

Finite, Infinite and NaN Numbers

Loading DLLs from Packages

Compute table margin

Create a Matrix or a Vector

Class for ‘no quote’ Printing of Character Strings

The Number of Rows/Columns of an Array

Compute the Norm of a Matrix

Kronecker Products on Arrays

The R License Terms

Loading/Attaching and Listing of Packages

Lower and Upper Triangular Part of a Matrix

Matrix Multiplication

Miscellaneous Mathematical Functions

Find Maximum Position in Matrix

The Names of an Object

System Date and Time

Calculate the Determinant of a Matrix

Detach Objects from the Search Path

Apply a Function Over Values in an Environment

Spectral Decomposition of a Matrix

Extract.data.frame

Extract or Replace Parts of a Data Frame

Report Versions of Third-Party Software

Extract or Replace Parts of a Factor

Function Definition

Setup Collation by ICU

Convert Character Vector between Encodings

Lazy Load a Database of R Objects

Value of Last Evaluated Expression

Levels Attributes

Report Time Spent in Garbage Collection

Encode in a Common Format

Torture Garbage Collector

Generate Factor Levels

Is an Object of Type (Primitive) Function?

Pattern Matching and Replacement

Call a function with Some Arguments Forced

Compute DLL for Native Interface Call

Foreign-internal

Internal Versions of the Foreign Function Interface

Return the Value of a Named Object

Translate Text Messages

Identity Function

Get or Set Working Directory

Test Objects for Exact Equality

‘Jitter’ (Add Noise) to Numbers

Is an Object a Language Object?

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

Length of an Object

Query or Set Aspects of the Locale

Lengths of List or Vector Elements

Memory Limits in R

Argument Matching

Argument Verification Using Partial Matching

Logarithms and Exponentials

Is an Object ‘internally classed’?

Is an Object Atomic or Recursive?

Find Labels from Object

Apply a Function over a List or Vector

Logical Operators

Extract a Function Specified by Name

Logical Vectors

Does a Formal Argument have a Value?

Diagnostic Messages

Report Version of libcurl

Reload Saved Datasets

From A List, Build or Add To an Environment

Loading and Unloading Name Spaces

In-memory Compression and Decompression

Function Exit Code

Operators on the Date Class

Namespace Reflection Support

Arithmetic Mean

Default Printing

Common Higher-Order Functions in Functional Programming Languages

Pattern Matching for Raw Vectors

Garbage Collection

Are we using R, rather than S?

Integer Vectors

S3 Group Generic Functions

Conditional Element Selection

Test for an S4 object

Localization Information

The Number of Arguments to a Function

numeric_version

Numeric Versions

Ordering Permutation

Outer Product of Arrays

print.data.frame

Printing Data Frames

Push Text Back on to a Connection

Numeric Vectors

The QR Decomposition of a Matrix

The Number of Levels of a Factor

Count the Number of Characters (or Bytes or Width)

The Null Object

NumericConstants

Numeric Constants

Display Numbers in Octal

Report Configuration Options for PCRE

Platform Specific Variables

User-supplied Random Number Generation

Read a Line from the Terminal

Transfer Character Strings To and From Connections

Replicate Elements of Vectors and Lists

Running Time of R

Replace Values in a Vector

Random Samples and Permutations

Memory Available for Data Storage

Set CPU and/or Elapsed Time Limits

Hooks for Namespace Events

The (Storage) Mode of an Object

Expand File Paths

Concatenate Strings

Namespace Internals

Partial String Matching

Find Zeros of a Real or Complex Polynomial

Top Level Environment

Look Up a Primitive Function

Finalization of Objects

Recursively Apply a Function to a List

Get and Set Row Names for Data Frames

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

Scaling and Centering of Matrix-like Objects

Read Data Values

Extract or Replace A Slot

Does String Start or End With Another String?

standardGeneric

Formal Method System -- Dispatching S4 Methods

Wait on Socket Connections

Print Matrices, Old-style

Wrap Character Strings to Format Paragraphs

Lists -- Generic and Dotted Pairs

List the Files in a Directory/Folder

Make Syntactically Valid Names

Profile the Usage of Cons Cells

Make Character Strings Unique

Apply a Function to Multiple List or Vector Arguments

Merge Two Data Frames

Express File Paths in Canonical Form

Names and Symbols

Not Yet Implemented Functions and Unused Arguments

showConnections

Display Connections

Initialization at Start of an R Session

Stop Function Execution

Ensure the Truth of R Expressions

Operator Syntax and Precedence

Repeat the Elements of a Character Vector

Get Current Date and Time

Get Environment Variables

taskCallbackManager

Create an R-level Task Callback Manager

Find Full Paths to Executables

Terminate an R Session

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

Utilities for Processing Rd Files

Read Text Lines from a Connection

Transfer Binary Data To and From Connections

Round / Truncate Data-Time Objects

Serialization Interface for Single Objects

Functions to Reposition Connections

Give Search Path for R Objects

Extract or Replace Matched Substrings

Simple Serialization Interface

Convert Strings to Integers

Get the Process ID of the R Session

Split the Elements of a Character Vector

References to source files

Transform an Object, for Example a Data Frame

Wildcard Expansion on File Paths

Sorting or Ordering Vectors

Solve a System of Equations

Read R Code from a File or a Connection

Special Functions of Mathematics

Substrings of a Character Vector

Substituting and Quoting Expressions

Extract System and User Information

Read File Symbolic Links

Functions to Access the Function Call Stack

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

Remove names or dimnames

Trigonometric Functions

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

Evaluate an Expression in a Data Environment

Sum of Vector Elements

Scripting Language Interface

Subsetting Vectors, Matrices and Data Frames

Listing of Packages

Suspend Execution for a Time Interval

Object Summaries

Parse and Evaluate Expressions from a File

Create Names for Temporary Files

Text Connections

Remove Leading/Trailing Whitespace

The Type of an Object

Try an Expression Allowing Error Recovery

Interactive Tracing and Debugging of Calls to a Function or Method

Convert an R Object to a Character String

taskCallbackNames

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

Delete Files and Directories

Vectorize a Scalar Function

Version Information

Double Colon and Triple Colon Operators

Convert Positions in the Search Path to Environments

Parentheses and Braces

Parse Expressions

Express Table Entries as Fraction of Marginal Table

Pretty Breakpoints

Product of Vector Elements

Random Number Generation

Range of Values

Cross Tabulation and Table Creation

Tabulation for Vectors

Warning Messages

Write Lines to a Connection

Print Warning Messages

Auxiliary Function for Sorting and Ranking

Reserved Words in R

Reverse Elements

Return the R Home Directory

Sequence Generation

Quote Strings for Use in OS Shells

Generate Regular Sequences of Dates

Run Length Encoding

Divide into Groups and Reassemble

Use C-style String Formatting Commands

Raw Connections

Set Environment Variables from a File

Rounding of Numbers

Remove Objects from a Specified Environment

Recursive Calling

Create A Vector of Sequences

Generate Regular Sequences of Times

Send R Output to a File

Slice Indexes in an Array

Set or Unset Environment Variables

Sys.setFileTime

Invoke a System Command

Check if a Character Vector is Validly Encoded

Matrix Transpose

Which indices are TRUE?

Extract Parts of a POSIXt or Date Object

Numerical Characteristics of the Machine

Rounding of Numbers

Trim Character Strings to Specified Display Widths

Attribute Specification

Sweep out Array Summaries

Find Names of R System Files

Select One of a List of Alternatives

Add or Remove a Top-Level Task Callback

Apply a Function Over a Ragged Array

Get and Print Call Stacks

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

Trace Copying of Objects

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

Return both a value and its visibility

Extract Unique Elements

Write Data to a File

Miscellaneous Internal/Programming Utilities

Test if an Object is Not Sorted

Options Settings

Regular Expressions as used in R

Date-time Conversion Functions to and from Character

Singular Value Decomposition of a Matrix

Dimnames of an Object

Get DLLs Loaded in Current Session

‘Not Available’ / Missing Values

Convert to or from Raw Vectors

Open a File or URL using Windows File Associations

Invoke a System Command, using a Shell

Interrupting Execution of R