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base (version 3.2.2)

The R Base Package

Description

Base R functions.

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Version

Version

3.2.2

License

Part of R 3.2.2

Maintainer

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

Last Published

December 12th, 2019

Functions in base (3.2.2)

Argument List of a Function

Apply Functions Over Array Margins

Array Transposition

Test if Two Objects are (Nearly) Equal

Are All Values True?

Approximate String Matching (Fuzzy Matching)

Find All Names in an Expression

Are Some Values True?

Abbreviate Strings

Date Conversion Functions to and from Character

Inhibit Interpretation/Conversion of Objects

Convert Object to Function

Arithmetic Operators

Assignment Operators

Assign a Value to a Name

Multi-way Arrays

Coerce to a Data Frame

Date-time Conversion Functions

Coerce to an Environment Object

Object Attribute Lists

On-demand Loading of Packages

The R Base Package

base-deprecated

Deprecated Functions in Package base

Defunct Functions in Package base

Attach Set of R Objects to Search Path

Manipulate File Paths

Internal Objects in Package base

Solve an Upper or Lower Triangular System

Object Attributes

Apply a Function to a Data Frame Split by Factors

Functions to Retrieve Values Supplied by Calls to the Browser

Partial substitution in expressions

Bitwise Logical Operations

Binding and Environment Locking, Active Bindings

Bessel Functions

Access to and Manipulation of the Body of a Function

Bin a Numeric Vector

Environment Browser

Returns the Names of All Built-in Objects

Report Capabilities of this Build of R

Call With Current Continuation

Expand a String with Respect to a Target Table

Character Vectors

Combine R Objects by Rows or Columns

Modern Interfaces to C/C++ code

Concatenate and Print

Combine Values into a Vector or List

Partial String Matching

Form Row and Column Sums and Means

Row and Column Names

Inverse from Choleski (or QR) Decomposition

Query or Set a "comment" Attribute

Extract Command Line Arguments

The Choleski Decomposition

Character Translation and Casefolding

Copyrights of Files Used to Build R

Retrieve Headers from URLs

Matrix Crossproduct

DateTimeClasses

Date-Time Classes

Report Version of libcurl

Read and Write Data in DCF Format

Relational Operators

Detach Objects from the Search Path

Calculate the Determinant of a Matrix

Complex Vectors

Convert a Date or Date-Time Object to a Factor

Convert Numeric to Factor

Debug a Function

Marking Objects as Defunct

Dimensions of an Object

Execute a Function Call

Spectral Decomposition of a Matrix

Apply a Function Over Values in an Environment

R Project Contributors

Convert a Data Frame to a Numeric Matrix

System Date and Time

dataframeHelpers

Data Frame Auxiliary Functions

Identity Function to Suppress Checking

Double-Precision Vectors

Environment Access

Environment Variables

Determine Duplicate Elements

Foreign Function Interface

Evaluate an (Unevaluated) Expression

Manipulaton of Directories and File Permissions

Is an Object Defined?

Foreign-internal

Internal Versions of the Foreign Function Interface

Call a function with Some Arguments Forced

Condition Handling and Recovery

Search for Masked Objects on the Search Path

Report Information on C Stack Size and Usage

Cumulative Sums, Products, and Extremes

Delay Evaluation

Expression Deparsing

Matrix Diagonals

Lists of Open/Active Graphics Devices

Ascertain File Accessibility

Choose a File Interactively

Garbage Collection

Common Higher-Order Functions in Functional Programming Languages

Translate Text Messages

Get or Set Working Directory

Find Interval Numbers or Indices

Force Evaluation of an Argument

Report Time Spent in Garbage Collection

Torture Garbage Collector

Hyperbolic Functions

Convert Character Vector between Encodings

Call an Internal Function

Is R Running Interactively?

Test for an S4 object

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

Built-in Constants

Options for Expression Deparsing

Marking Objects as Deprecated

Lagged Differences

Integer Vectors

Compute Factor Interactions

Is an Object a Language Object?

Is an Object ‘internally classed’?

‘Jitter’ (Add Noise) to Numbers

Levels Attributes

Compute or Estimate the Condition Number of a Matrix

Lengths of List or Vector Elements

Write an Object to a File or Recreate it

Query or Set Aspects of the Locale

Drop Redundant Extent Information

Extract.data.frame

Extract or Replace Parts of a Data Frame

Extract or Replace Parts of a Factor

Display One or More Files

File Manipulation

format(.) Information

Pattern Matching for Raw Vectors

Function Definition

Format Description Lists

S3 Group Generic Functions

Lazy Load a Database of R Objects

Length of an Object

Encode Character Vector as for Printing

Read or Set the Declared Encodings for a Character Vector

Unevaluated Expressions

Create a Data Frame from All Combinations of Factors

Report Versions of Third-Party Software

Access to and Manipulation of the Formal Arguments

Foreign Function Interface

getNativeSymbolInfo

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

getDLLRegisteredRoutines

Reflectance Information for C/Fortran routines in a DLL

Encode in a Common Format

(De)compress I/O Through Connections

Test Objects for Exact Equality

Setup Collation by ICU

Display Numbers in Hexadecimal

Finite, Infinite and NaN Numbers

List the Files in a Directory/Folder

Is an Object of Type (Primitive) Function?

Lists -- Generic and Dotted Pairs

Logarithms and Exponentials

Find Maximum Position in Matrix

Compute the Norm of a Matrix

Class for ‘no quote’ Printing of Character Strings

Numeric Vectors

numeric_version

Numeric Versions

Parse Expressions

Parentheses and Braces

Partial String Matching

Test if a Matrix or other Object is Symmetric

Value of Last Evaluated Expression

Apply a Function over a List or Vector

Loading DLLs from Packages

Search Paths for Packages

The (Storage) Mode of an Object

Apply a Function to Multiple List or Vector Arguments

Make Character Strings Unique

Express File Paths in Canonical Form

Names and Symbols

Identity Function

Is an Object Atomic or Recursive?

Conditional Element Selection

Is an Object of Single Precision Type?

Kronecker Products on Arrays

From A List, Build or Add To an Environment

Localization Information

Reload Saved Datasets

Logical Vectors

Logical Operators

Compute table margin

Create a Matrix or a Vector

Arithmetic Mean

The Names of an Object

In-memory Compression and Decompression

NumericConstants

Numeric Constants

The Number of Arguments to a Function

Display Numbers in Octal

Find Zeros of a Real or Complex Polynomial

Function Exit Code

Express Table Entries as Fraction of Marginal Table

Product of Vector Elements

Utilities for Processing Rd Files

Replicate Elements of Vectors and Lists

Transfer Binary Data To and From Connections

Replace Values in a Vector

Give Search Path for R Objects

Functions to Reposition Connections

Extract a Function Specified by Name

Lower and Upper Triangular Part of a Matrix

Memory Limits in R

Double Colon and Triple Colon Operators

The Number of Rows/Columns of an Array

Top Level Environment

Memory Available for Data Storage

Send R Output to a File

Ordering Permutation

The Null Object

Slice Indexes in an Array

Ensure the Truth of R Expressions

Stop Function Execution

Functions to Access the Function Call Stack

Substrings of a Character Vector

Substituting and Quoting Expressions

Remove names or dimnames

Read File Symbolic Links

Make Syntactically Valid Names

Miscellaneous Mathematical Functions

Matrix Multiplication

Profile the Usage of Cons Cells

Merge Two Data Frames

Loading and Unloading Name Spaces

Running Time of R

Print Matrices, Old-style

Namespace Reflection Support

Outer Product of Arrays

Look Up a Primitive Function

print.data.frame

Printing Data Frames

Transfer Character Strings To and From Connections

Random Samples and Permutations

Read a Line from the Terminal

Sorting or Ordering Vectors

Solve a System of Equations

Divide into Groups and Reassemble

Use C-style String Formatting Commands

Sweep out Array Summaries

Select One of a List of Alternatives

Extract System and User Information

Get Current Date and Time

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

Find Full Paths to Executables

Apply a Function Over a Ragged Array

Operators on the Date Class

Add or Remove a Top-Level Task Callback

Convert Positions in the Search Path to Environments

Pretty Breakpoints

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

Terminate an R Session

Read Text Lines from a Connection

Serialization Interface for Single Objects

Not Yet Implemented Functions and Unused Arguments

Return the R Home Directory

Namespace Internals

Hooks for Namespace Events

Concatenate Strings

Expand File Paths

Random Number Generation

Text Representations of R Objects

Extract File Information

Maxima and Minima

Extract or Replace Parts of an Object

Construct Path to File

Format P Values

Return the Value of a Named Object

Formatting Using C-style Formats

Compute DLL for Native Interface Call

Generate Factor Levels

Pattern Matching and Replacement

InternalMethods

Internal Generic Functions

Change the Print Mode to Invisible

Try an Expression Allowing Error Recovery

Remove Leading/Trailing Whitespace

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

Write Data to a File

Write Lines to a Connection

User-supplied Random Number Generation

Finalization of Objects

Scaling and Centering of Matrix-like Objects

Extract or Replace Matched Substrings

Recursively Apply a Function to a List

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

Are we using R, rather than S?

Date-time Conversion Functions from Numeric Representations

Find Labels from Object

The R License Terms

Argument Verification Using Partial Matching

Argument Matching

Count the Number of Characters (or Bytes or Width)

Diagnostic Messages

The Number of Levels of a Factor

Platform Specific Variables

Default Printing

Range of Values

Round / Truncate Data-Time Objects

Recursive Calling

Set CPU and/or Elapsed Time Limits

standardGeneric

Formal Method System -- Dispatching S4 Methods

Wrap Character Strings to Format Paragraphs

Initialization at Start of an R Session

Run Length Encoding

Rounding of Numbers

Remove Objects from a Specified Environment

Generate Regular Sequences of Dates

Read R Code from a File or a Connection

Sequence Generation

Special Functions of Mathematics

Split the Elements of a Character Vector

Convert Strings to Integers

Subsetting Vectors, Matrices and Data Frames

Loading/Attaching and Listing of Packages

Set or Unset Environment Variables

Sys.setFileTime

Find Names of R System Files

Create Names for Temporary Files

The Type of an Object

Text Connections

Extract Unique Elements

Does a Formal Argument have a Value?

Report Configuration Options for PCRE

Push Text Back on to a Connection

Set Environment Variables from a File

The QR Decomposition of a Matrix

Raw Connections

Reserved Words in R

Get and Set Row Names for Data Frames

Reverse Elements

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

Simple Serialization Interface

showConnections

Display Connections

Create A Vector of Sequences

Generate Regular Sequences of Times

Read Data Values

Extract or Replace A Slot

Wait on Socket Connections

References to source files

Invoke a System Command

Wildcard Expansion on File Paths

Get the Process ID of the R Session

Matrix Transpose

Trim Character Strings to Specified Display Widths

Delete Files and Directories

Listing of Packages

Numerical Characteristics of the Machine

Attribute Specification

Miscellaneous Internal/Programming Utilities

Scripting Language Interface

Get Environment Variables

Operator Syntax and Precedence

Suspend Execution for a Time Interval

taskCallbackManager

Create an R-level Task Callback Manager

Parse and Evaluate Expressions from a File

Transform an Object, for Example a Data Frame

taskCallbackNames

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

Warning Messages

Version Information

Trigonometric Functions

Return both a value and its visibility

Evaluate an Expression in a Data Environment

Quote Strings for Use in OS Shells

Sum of Vector Elements

Object Summaries

Cross Tabulation and Table Creation

Tabulation for Vectors

Convert an R Object to a Character String

Interactive Tracing and Debugging of Calls to a Function or Method

Print Call Stacks

Trace Copying of Objects

Vectorize a Scalar Function

Auxiliary Function for Sorting and Ranking

Rounding of Numbers

Extract Parts of a POSIXt or Date Object

Print Warning Messages

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

Which indices are TRUE?