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base (version 3.5.1)

The R Base Package

Description

Base R functions.

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Version

Version

3.5.1

License

Part of R 3.5.1

Maintainer

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

Last Published

December 12th, 2019

Functions in base (3.5.1)

Arithmetic Operators

Foreign Function Interface

Hyperbolic Functions

Miscellaneous Mathematical Functions

Wildcard Expansion on File Paths

Extract System and User Information

InternalMethods

Internal Generic Functions

Approximate String Matching (Fuzzy Matching)

Are All Values True?

Argument List of a Function

Multi-way Arrays

Built-in Constants

On-demand Loading of Packages

Solve an Upper or Lower Triangular System

Marking Objects as Deprecated

Binding and Environment Locking, Active Bindings

Read or Set the Declared Encodings for a Character Vector

Bitwise Logical Operations

Environment Browser

Initialization at Start of an R Session

Partial substitution in expressions

DateTimeClasses

Date-Time Classes

Logarithms and Exponentials

Report Information on C Stack Size and Usage

Expand a String with Respect to a Target Table

Functions to Retrieve Values Supplied by Calls to the Browser

Logical Operators

Character Vectors

NumericConstants

Numeric Constants

Apply a Function to a Data Frame Split by Factors

Environment Variables

Access to and Manipulation of the Body of a Function

Operators on the Date Class

Rounding of Numbers

Special Functions of Mathematics

Extract or Replace Parts of an Object

Value of Last Evaluated Expression

Marking Objects as Defunct

Parentheses and Braces

Cumulative Sums, Products, and Extremes

Version Information

Bessel Functions

Platform Specific Variables

User-supplied Random Number Generation

Retrieve Headers from URLs

Get Environment Variables

Random Number Generation

Identity Function to Suppress Checking

Suspend Execution for a Time Interval

Execute a Function Call

Abbreviate Strings

Look Up a Primitive Function

Get Current Date and Time

Get the Process ID of the R Session

Are Some Values True?

Coerce to an Environment Object

Modern Interfaces to C/C++ code

Extract.data.frame

Extract or Replace Parts of a Data Frame

Extract File Information

Extract or Replace Parts of a Factor

Array Transposition

Construct Path to File

Report Time Spent in Garbage Collection

Relational Operators

‘Not Available’ / Missing Values

The Null Object

Date-time Conversion Functions from Numeric Representations

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

Recursive Calling

Call an Internal Function

Expression Deparsing

Torture Garbage Collector

Utilities for Processing Rd Files

Internal Objects in Package base

Sys.setFileTime

Returns the Names of All Built-in Objects

‘Jitter’ (Add Noise) to Numbers

Set or Unset Environment Variables

Operator Syntax and Precedence

Find Full Paths to Executables

Apply Functions Over Array Margins

Coerce to a Data Frame

The R Base Package

Combine Values into a Vector or List

Trigonometric Functions

Kronecker Products on Arrays

Query or Set Aspects of the Locale

Memory Available for Data Storage

Return the Value of a Named Object

Object Attributes

Memory Limits in R

Find Interval Numbers or Indices

Partial String Matching

Object Attribute Lists

Compute DLL for Native Interface Call

R Project Contributors

Display One or More Text Files

Character Translation and Casefolding

Integer Vectors

Reserved Words in R

Concatenate and Print

Logical Vectors

Vectorize a Scalar Function

Combine R Objects by Rows or Columns

Row and Column Names

Test if Two Objects are (Nearly) Equal

System Date and Time

Inverse from Choleski (or QR) Decomposition

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

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

Return the R Home Directory

Force Evaluation of an Argument

Extract Command Line Arguments

Lists of Open/Active Graphics Devices

Read File Symbolic Links

Create a Data Frame from All Combinations of Factor Variables

Find All Names in an Expression

Date Conversion Functions to and from Character

Assignment Operators

Attach Set of R Objects to Search Path

Matrix Diagonals

Find Maximum Position in Matrix

Defunct Functions in Package base

Query or Set a "comment" Attribute

Complex Numbers and Basic Functionality

Encode Character Vector as for Printing

…, ..1, etc used in Functions

Double-Precision Vectors

Read and Write Data in DCF Format

Environment Access

Function Definition

Formatting Using C-style Formats

getNativeSymbolInfo

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

base-deprecated

Deprecated Functions in Package base

The Names of an Object

The Number of Arguments to a Function

Options for Expression Deparsing

Date-time Conversion Functions

Convert a Date or Date-Time Object to a Factor

Drop Redundant Extent Information

Convert Object to Function

Unevaluated Expressions

Write an Object to a File or Recreate it

Assign a Value to a Name

Hooks for Namespace Events

Call With Current Continuation

Does a Formal Argument have a Value?

Convert Numeric to Factor

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

Manipulate File Paths

Bin a Numeric Vector

The QR Decomposition of a Matrix

Namespace Internals

File Manipulation

Express File Paths in Canonical Form

Report Capabilities of this Build of R

Debug a Function

Get or Set Working Directory

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

Translate Text Messages

From A List, Build or Add To an Environment

Form Row and Column Sums and Means

Condition Handling and Recovery

Search for Masked Objects on the Search Path

Convert a Data Frame to a Numeric Matrix

dataframeHelpers

Data Frame Auxiliary Functions

Pattern Matching for Raw Vectors

Pattern Matching and Replacement

Conditional Element Selection

Raw Connections

Delay Evaluation

Is an Object of Type (Primitive) Function?

The Choleski Decomposition

Determine Duplicate Elements

Transfer Character Strings To and From Connections

Argument Verification Using Partial Matching

Foreign Function Interface

Copyrights of Files Used to Build R

Regular Expressions as used in R

Extract or Replace Matched Substrings

Reload Saved Datasets

Report Versions of Third-Party Software

Matrix Crossproduct

Lagged Differences

Generate Factor Levels

Is an Object a Language Object?

Calculate the Determinant of a Matrix

Lazy Load a Database of R Objects

Apply a Function over a List or Vector

Read a Line from the Terminal

Singular Value Decomposition of a Matrix

Apply a Function to Multiple List or Vector Arguments

Compute or Estimate the Condition Number of a Matrix

Length of an Object

Time Intervals / Differences

Convert Strings to Integers

Detach Objects from the Search Path

Dimensions of an Object

Call a function with Some Arguments Forced

Remove Objects from a Specified Environment

Round / Truncate Data-Time Objects

Count the Number of Characters (or Bytes or Width)

Compute table margin

showConnections

Display Connections

Lengths of List or Vector Elements

Quote Strings for Use in OS Shells

The Number of Levels of a Factor

numeric_version

Numeric Versions

Display Numbers in Octal

Drop Unused Levels from Factors

Access to and Manipulation of the Formal Arguments

Text Representations of R Objects

Apply a Function Over Values in an Environment

Dimnames of an Object

Evaluate an (Unevaluated) Expression

Argument Matching

Use C-style String Formatting Commands

Expand File Paths

Common Higher-Order Functions in Functional Programming Languages

Report Configuration Options for PCRE

Spectral Decomposition of a Matrix

Ascertain File Accessibility

Diagnostic Messages

print.data.frame

Printing Data Frames

Wrap Character Strings to Format Paragraphs

Not Yet Implemented Functions and Unused Arguments

Is an Object Defined?

Garbage Collection

References to Source Files and Code

Manipulation of Directories and File Permissions

Subsetting Vectors, Matrices and Data Frames

Default Printing

(De)compress I/O Through Connections

Choose a File Interactively

Display Numbers in Hexadecimal

Create Names for Temporary Files

Format Description Lists

Format P Values

Finalization of Objects

getDLLRegisteredRoutines

Reflectance Information for C/Fortran routines in a DLL

Get DLLs Loaded in Current Session

Setup Collation by ICU

Parse and Evaluate Expressions from a File

Convert Character Vector between Encodings

Print Matrices, Old-style

Change the Print Mode to Invisible

Finite, Infinite and NaN Numbers

Extract or Replace A Slot

Are we using R, rather than S?

Encode in a Common Format

Concatenate Strings

Invoke a System Command

Compute Factor Interactions

taskCallbackManager

Create an R-level Task Callback Manager

taskCallbackNames

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

format(.) Information

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

S3 Group Generic Functions

Grouping Permutation

Get and Print Call Stacks

Is R Running Interactively?

Is an Object ‘internally classed’?

Parse Expressions

Trace Copying of Objects

Scaling and Centering of Matrix-like Objects

Is an Object Atomic or Recursive?

Simple Serialization Interface

Test for an S4 object

Test Objects for Exact Equality

Levels Attributes

Set CPU and/or Elapsed Time Limits

Localization Information

Invoke a System Command

Warning Messages

Date-time Conversion Functions to and from Character

Search Paths for Packages

Lower and Upper Triangular Part of a Matrix

Find Labels from Object

Lists -- Generic and Dotted Pairs

Read Text Lines from a Connection

Repeat the Elements of a Character Vector

Split the Elements of a Character Vector

Identity Function

Sum of Vector Elements

List the Files in a Directory/Folder

Is an Object of Single Precision Type?

Print Warning Messages

Apply a Function Over a Ragged Array

Sweep out Array Summaries

Add or Remove a Top-Level Task Callback

Object Summaries

Numerical Characteristics of the Machine

Extract a Function Specified by Name

Test if an Object is Not Sorted

Report Version of libcurl

Loading DLLs from Packages

Loading/Attaching and Listing of Packages

The R License Terms

Matrix Multiplication

Remove names or dimnames

Read Data Values

Profile the Usage of Cons Cells

Function Exit Code

Scripting Language Interface

Make Syntactically Valid Names

Make Character Strings Unique

Merge Two Data Frames

Create a Matrix or a Vector

Try an Expression Allowing Error Recovery

Names and Symbols

The Number of Rows/Columns of an Array

The (Storage) Mode of an Object

Options Settings

Wait on Socket Connections

Partial String Matching

Text Connections

Extract Parts of a POSIXt or Date Object

Which indices are TRUE?

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

Return both a Value and its Visibility

Find Zeros of a Real or Complex Polynomial

Double Colon and Triple Colon Operators

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

Top Level Environment

Numeric Vectors

Outer Product of Arrays

Ordering Permutation

Arithmetic Mean

Rounding of Numbers

Matrix Transpose

Listing of Packages

The Type of an Object

In-memory Compression and Decompression

Convert to or from Raw Vectors

Express Table Entries as Fraction of Marginal Table

Write Data to a File

Recursively Apply a Function to a List

Push Text Back on to a Connection

Transfer Binary Data To and From Connections

Replicate Elements of Vectors and Lists

Class for ‘no quote’ Printing of Character Strings

Loading and Unloading Name Spaces

Serialization Interface for Single Objects

Set Environment Variables from a File

Compute the Norm of a Matrix

Namespace Reflection Support

Convert Positions in the Search Path to Environments

Generate Regular Sequences of Dates

Replace Values in a Vector

Random Samples and Permutations

Get and Set Row Names for Data Frames

Generate Regular Sequences of Times

Pretty Breakpoints

Divide into Groups and Reassemble

Read R Code from a File, a Connection or Expressions

Running Time of R

Product of Vector Elements

Terminate an R Session

Functions to Reposition Connections

Send R Output to a File

Range of Values

Give Search Path for R Objects

Slice Indexes in an Array

Run Length Encoding

Reverse Elements

Cross Tabulation and Table Creation

Sequence Generation

Tabulation for Vectors

Create A Vector of Sequences

Convert an R Object to a Character String

Stop Function Execution

Interactive Tracing and Debugging of Calls to a Function or Method

Solve a System of Equations

Transform an Object, for Example a Data Frame

Ensure the Truth of R Expressions

Does String Start or End With Another String?

Sorting or Ordering Vectors

standardGeneric

Formal Method System -- Dispatching S4 Methods

Substrings of a Character Vector

Substituting and Quoting Expressions

Remove Leading/Trailing Whitespace

Check if a Character Vector is Validly Encoded

Find Names of R System Files

Write Lines to a Connection

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

Trim Character Strings to Specified Display Widths

Attribute Specification

Auxiliary Function for Sorting and Ranking

Select One of a List of Alternatives

Evaluate an Expression in a Data Environment

Functions to Access the Function Call Stack

Delete Files and Directories

Miscellaneous Internal/Programming Utilities

Extract Unique Elements

Inhibit Interpretation/Conversion of Objects

Foreign-internal

Internal Versions of the Foreign Function Interface

Maxima and Minima