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base (version 3.3.0)

The R Base Package

Description

Base R functions.

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Version

Version

3.3.0

License

Part of R 3.3.0

Maintainer

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

Last Published

December 12th, 2019

Functions in base (3.3.0)

Apply Functions Over Array Margins

Are All Values True?

Test if Two Objects are (Nearly) Equal

Abbreviate Strings

Find All Names in an Expression

Approximate String Matching (Fuzzy Matching)

Argument List of a Function

Are Some Values True?

Array Transposition

Multi-way Arrays

Convert Object to Function

Arithmetic Operators

Coerce to a Data Frame

Inhibit Interpretation/Conversion of Objects

Date-time Conversion Functions

Assign a Value to a Name

Coerce to an Environment Object

Date Conversion Functions to and from Character

Assignment Operators

Object Attribute Lists

On-demand Loading of Packages

Internal Objects in Package base

Manipulate File Paths

Solve an Upper or Lower Triangular System

base-deprecated

Deprecated Functions in Package base

Defunct Functions in Package base

The R Base Package

Attach Set of R Objects to Search Path

Object Attributes

Functions to Retrieve Values Supplied by Calls to the Browser

Partial substitution in expressions

Returns the Names of All Built-in Objects

Environment Browser

Apply a Function to a Data Frame Split by Factors

Binding and Environment Locking, Active Bindings

Bin a Numeric Vector

Bessel Functions

Bitwise Logical Operations

Access to and Manipulation of the Body of a Function

Call With Current Continuation

Expand a String with Respect to a Target Table

Concatenate and Print

Partial String Matching

Character Vectors

Modern Interfaces to C/C++ code

Report Capabilities of this Build of R

Combine Values into a Vector or List

Combine R Objects by Rows or Columns

Inverse from Choleski (or QR) Decomposition

The Choleski Decomposition

Character Translation and Casefolding

Row and Column Names

Form Row and Column Sums and Means

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

Extract Command Line Arguments

Condition Handling and Recovery

Complex Numbers and Basic Functionality

R Project Contributors

Built-in Constants

Copyrights of Files Used to Build R

Query or Set a "comment" Attribute

Relational Operators

Search for Masked Objects on the Search Path

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

Matrix Crossproduct

Expression Deparsing

Delay Evaluation

Report Information on C Stack Size and Usage

Lagged Differences

Write an Object to a File or Recreate it

Drop Redundant Extent Information

Convert Numeric to Factor

Convert a Date or Date-Time Object to a Factor

System Date and Time

Text Representations of R Objects

Lists of Open/Active Graphics Devices

Matrix Diagonals

Apply a Function Over Values in an Environment

Spectral Decomposition of a Matrix

Evaluate an (Unevaluated) Expression

Is an Object Defined?

Extract File Information

Construct Path to File

dataframeHelpers

Data Frame Auxiliary Functions

Convert a Data Frame to a Numeric Matrix

DateTimeClasses

Date-Time Classes

Read and Write Data in DCF Format

Dimensions of an Object

Execute a Function Call

Encode Character Vector as for Printing

Read or Set the Declared Encodings for a Character Vector

Extract.data.frame

Extract or Replace Parts of a Data Frame

Cumulative Sums, Products, and Extremes

Extract or Replace Parts of a Factor

Retrieve Headers from URLs

Options for Expression Deparsing

Identity Function to Suppress Checking

Marking Objects as Deprecated

Double-Precision Vectors

Determine Duplicate Elements

Foreign Function Interface

Create a Data Frame from All Combinations of Factor Variables

Manipulaton of Directories and File Permissions

Unevaluated Expressions

format(.) Information

Encode in a Common Format

getNativeSymbolInfo

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

getDLLRegisteredRoutines

Reflectance Information for C/Fortran routines in a DLL

Is an Object of Single Precision Type?

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

Date-time Conversion Functions from Numeric Representations

‘Jitter’ (Add Noise) to Numbers

Report Versions of Third-Party Software

Return the Value of a Named Object

Compute DLL for Native Interface Call

S3 Group Generic Functions

Pattern Matching for Raw Vectors

Call an Internal Function

InternalMethods

Internal Generic Functions

Foreign Function Interface

Is an Object a Language Object?

Is an Object of Type (Primitive) Function?

Access to and Manipulation of the Formal Arguments

Hyperbolic Functions

Display Numbers in Hexadecimal

Integer Vectors

Conditional Element Selection

Change the Print Mode to Invisible

Finite, Infinite and NaN Numbers

Apply a Function over a List or Vector

Find Labels from Object

Debug a Function

Marking Objects as Defunct

Calculate the Determinant of a Matrix

Detach Objects from the Search Path

Extract or Replace Parts of an Object

Maxima and Minima

Choose a File Interactively

Ascertain File Accessibility

Foreign-internal

Internal Versions of the Foreign Function Interface

Call a function with Some Arguments Forced

Display One or More Text Files

Environment Variables

Environment Access

File Manipulation

Find Interval Numbers or Indices

Force Evaluation of an Argument

Function Definition

Format Description Lists

Grouping Permutation

Compute table margin

Profile the Usage of Cons Cells

Create a Matrix or a Vector

Count the Number of Characters (or Bytes or Width)

Merge Two Data Frames

The Number of Levels of a Factor

numeric_version

Numeric Versions

Look Up a Primitive Function

Numeric Vectors

print.data.frame

Printing Data Frames

Lists -- Generic and Dotted Pairs

List the Files in a Directory/Folder

From A List, Build or Add To an Environment

Miscellaneous Mathematical Functions

Reload Saved Datasets

Matrix Multiplication

Diagnostic Messages

Does a Formal Argument have a Value?

Not Yet Implemented Functions and Unused Arguments

Express File Paths in Canonical Form

Length of an Object

Lengths of List or Vector Elements

Extract a Function Specified by Name

Make Syntactically Valid Names

The Names of an Object

Find Maximum Position in Matrix

The Number of Arguments to a Function

Namespace Reflection Support

Loading and Unloading Name Spaces

Function Exit Code

Operators on the Date Class

Default Printing

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

Terminate an R Session

Is R Running Interactively?

Compute Factor Interactions

(De)compress I/O Through Connections

Random Number Generation

Is an Object ‘internally classed’?

Is an Object Atomic or Recursive?

Localization Information

Loading/Attaching and Listing of Packages

The R License Terms

Running Time of R

Print Matrices, Old-style

Finalization of Objects

Extract or Replace Matched Substrings

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

Get and Set Row Names for Data Frames

Simple Serialization Interface

Quote Strings for Use in OS Shells

Make Character Strings Unique

Lower and Upper Triangular Part of a Matrix

Apply a Function to Multiple List or Vector Arguments

The Number of Rows/Columns of an Array

Outer Product of Arrays

Double Colon and Triple Colon Operators

Ordering Permutation

Convert Positions in the Search Path to Environments

Pretty Breakpoints

Format P Values

Formatting Using C-style Formats

Report Time Spent in Garbage Collection

Translate Text Messages

Torture Garbage Collector

Convert Character Vector between Encodings

Get or Set Working Directory

Are we using R, rather than S?

Setup Collation by ICU

standardGeneric

Formal Method System -- Dispatching S4 Methods

Attribute Specification

Trim Character Strings to Specified Display Widths

Does String Start or End With Another String?

Sys.setFileTime

Set or Unset Environment Variables

Text Connections

Create Names for Temporary Files

Extract Unique Elements

The Type of an Object

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

Evaluate an Expression in a Data Environment

Concatenate Strings

Listing of Packages

Scripting Language Interface

Expand File Paths

Express Table Entries as Fraction of Marginal Table

Product of Vector Elements

Raw Connections

Replicate Elements of Vectors and Lists

Replace Values in a Vector

Remove Objects from a Specified Environment

Rounding of Numbers

Push Text Back on to a Connection

The QR Decomposition of a Matrix

Read a Line from the Terminal

Transfer Character Strings To and From Connections

Set Environment Variables from a File

Recursive Calling

Round / Truncate Data-Time Objects

Give Search Path for R Objects

Functions to Reposition Connections

Solve a System of Equations

Extract System and User Information

Sorting or Ordering Vectors

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

Apply a Function Over a Ragged Array

Add or Remove a Top-Level Task Callback

Transform an Object, for Example a Data Frame

Delete Files and Directories

Trigonometric Functions

Garbage Collection

Common Higher-Order Functions in Functional Programming Languages

Generate Factor Levels

Pattern Matching and Replacement

Test Objects for Exact Equality

Identity Function

Compute or Estimate the Condition Number of a Matrix

Kronecker Products on Arrays

Report Version of libcurl

Levels Attributes

Extract Parts of a POSIXt or Date Object

Miscellaneous Internal/Programming Utilities

Which indices are TRUE?

Extract or Replace A Slot

Read Data Values

Scaling and Centering of Matrix-like Objects

Wait on Socket Connections

Special Functions of Mathematics

Read R Code from a File or a Connection

Ensure the Truth of R Expressions

Get Current Date and Time

Object Summaries

Sum of Vector Elements

Repeat the Elements of a Character Vector

Invoke a System Command

Find Full Paths to Executables

Matrix Transpose

Remove Leading/Trailing Whitespace

Try an Expression Allowing Error Recovery

Remove names or dimnames

Value of Last Evaluated Expression

Test for an S4 object

Write Data to a File

Return both a value and its visibility

Lazy Load a Database of R Objects

Search Paths for Packages

Query or Set Aspects of the Locale

Loading DLLs from Packages

Logarithms and Exponentials

Memory Limits in R

Class for ‘no quote’ Printing of Character Strings

Memory Available for Data Storage

Range of Values

Reverse Elements

Reserved Words in R

Return the R Home Directory

Run Length Encoding

Generate Regular Sequences of Times

Use C-style String Formatting Commands

Create A Vector of Sequences

Subsetting Vectors, Matrices and Data Frames

Wrap Character Strings to Format Paragraphs

Slice Indexes in an Array

Divide into Groups and Reassemble

Send R Output to a File

Operator Syntax and Precedence

Get Environment Variables

Suspend Execution for a Time Interval

Parse and Evaluate Expressions from a File

Check if a Character Vector is Validly Encoded

Compute the Norm of a Matrix

Namespace Internals

Hooks for Namespace Events

Parentheses and Braces

Parse Expressions

Find Zeros of a Real or Complex Polynomial

Partial String Matching

User-supplied Random Number Generation

Read Text Lines from a Connection

Recursively Apply a Function to a List

Random Samples and Permutations

Serialization Interface for Single Objects

Stop Function Execution

Convert Strings to Integers

Split the Elements of a Character Vector

Initialization at Start of an R Session

Select One of a List of Alternatives

Sweep out Array Summaries

Find Names of R System Files

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

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

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

Argument Matching

Logical Vectors

Argument Verification Using Partial Matching

Rounding of Numbers

Logical Operators

Arithmetic Mean

In-memory Compression and Decompression

Top Level Environment

Display Numbers in Octal

NumericConstants

Numeric Constants

The Null Object

The (Storage) Mode of an Object

Names and Symbols

Report Configuration Options for PCRE

Platform Specific Variables

Utilities for Processing Rd Files

Transfer Binary Data To and From Connections

Sequence Generation

Generate Regular Sequences of Dates

Set CPU and/or Elapsed Time Limits

showConnections

Display Connections

References to source files

Numerical Characteristics of the Machine

Substituting and Quoting Expressions

Substrings of a Character Vector

Get the Process ID of the R Session

Read File Symbolic Links

Functions to Access the Function Call Stack

Wildcard Expansion on File Paths

taskCallbackManager

Create an R-level Task Callback Manager

Vectorize a Scalar Function

taskCallbackNames

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

Version Information

Print Warning Messages

Warning Messages

Trace Copying of Objects

Get and Print Call Stacks

Write Lines to a Connection

Auxiliary Function for Sorting and Ranking