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base (version 3.1.0)

The R Base Package

Description

Base R functions

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Version

Version

3.1.0

License

Part of R 3.1.0

Maintainer

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

Last Published

December 12th, 2019

Functions in base (3.1.0)

Argument List of a Function

Find All Names in an Expression

Are Some Values True?

Are All Values True?

Array Transposition

Test if Two Objects are (Nearly) Equal

Apply Functions Over Array Margins

Approximate String Matching (Fuzzy Matching)

Abbreviate Strings

Coerce to an Environment Object

Assign a Value to a Name

Convert Object to Function

Date-time Conversion Functions

Arithmetic Operators

Inhibit Interpretation/Conversion of Objects

Multi-way Arrays

Coerce to a Data Frame

Assignment Operators

Date Conversion Functions to and from Character

Attach Set of R Objects to Search Path

Object Attributes

Environment Browser

Functions to Retrieve Values Supplied by Calls to the Browser

Combine Values into a Vector or List

Form Row and Column Sums and Means

Relational Operators

Complex Vectors

Manipulate File Paths

The R Base Package

Bessel Functions

Character Translation and Casefolding

Bin a Numeric Vector

The Choleski Decomposition

Report Information on C Stack Size and Usage

Matrix Crossproduct

DateTimeClasses

Date-Time Classes

Calculate the Determinant of a Matrix

Marking Objects as Deprecated

Environment Variables

Environment Access

Dimensions of an Object

On-demand Loading of Packages

Object Attribute Lists

Binding and Environment Locking, Active Bindings

Bitwise Logical Operations

Modern Interfaces to C/C++ code

Call With Current Continuation

Inverse from Choleski (or QR) Decomposition

Defunct Functions in Package base

Solve an Upper or Lower Triangular System

Partial substitution in expressions

Access to and Manipulation of the Body of a Function

Character Vectors

Partial String Matching

Query or Set a "comment" Attribute

Extract Command Line Arguments

Evaluate an (Unevaluated) Expression

Formatting Using C-style Formats

Construct Path to File

Extract File Information

Is an Object Defined?

Torture Garbage Collector

Format Description Lists

Expand a String with Respect to a Target Table

Combine R Objects by Rows or Columns

Row and Column Names

Cumulative Sums, Products, and Extremes

Convert Numeric to Factor

Read and Write Data in DCF Format

Determine Duplicate Elements

Debug a Function

Foreign Function Interface

Return the Value of a Named Object

Integer Vectors

Compute Factor Interactions

Date-time Conversion Functions from Numeric Representations

Are we using R, rather than S?

R Project Contributors

Built-in Constants

Marking Objects as Defunct

Delay Evaluation

Matrix Diagonals

Extract.data.frame

Extract or Replace Parts of a Data Frame

Lagged Differences

Extract or Replace Parts of a Factor

Foreign Function Interface

Common Higher-Order Functions in Functional Programming Languages

Function Definition

Foreign-internal

Internal Versions of the Foreign Function Interface

S3 Group Generic Functions

Pattern Matching for Raw Vectors

InternalMethods

Internal Generic Functions

Change the Print Mode to Invisible

‘Jitter’ (Add Noise) to Numbers

Compute or Estimate the Condition Number of a Matrix

Argument Matching

Lower and Upper Triangular Part of a Matrix

Argument Verification Using Partial Matching

Matrix Multiplication

Miscellaneous Mathematical Functions

Diagnostic Messages

Does a Formal Argument have a Value?

Copyrights of Files Used to Build R

Convert a Data Frame to a Numeric Matrix

Apply a Function Over Values in an Environment

Double-Precision Vectors

Identity Function to Suppress Checking

Create a Data Frame from All Combinations of Factors

Spectral Decomposition of a Matrix

Unevaluated Expressions

Display One or More Files

File Manipulation

(De)compress I/O Through Connections

Translate Text Messages

Get or Set Working Directory

Is an Object a Language Object?

Display Numbers in Hexadecimal

Is an Object ‘internally classed’?

Localization Information

Kronecker Products on Arrays

base-deprecated

Deprecated Functions in Package base

Apply a Function to a Data Frame Split by Factors

Returns the Names of All Built-in Objects

Internal Objects in Package base

dataframeHelpers

Data Frame Auxiliary Functions

Search for Masked Objects on the Search Path

Concatenate and Print

Report Capabilities of this Build of R

Condition Handling and Recovery

System Date and Time

Search Paths for Packages

Reload Saved Datasets

From A List, Build or Add To an Environment

Loading DLLs from Packages

Profile the Usage of Cons Cells

Apply a Function to Multiple List or Vector Arguments

Make Character Strings Unique

The Null Object

Merge Two Data Frames

numeric_version

Numeric Versions

Namespace Internals

Terminate an R Session

Find Zeros of a Real or Complex Polynomial

Partial String Matching

Loading and Unloading Name Spaces

Finalization of Objects

Transfer Binary Data To and From Connections

Utilities for Processing Rd Files

Extract or Replace Matched Substrings

Loading/Attaching and Listing of Packages

Logical Vectors

Logical Operators

The R License Terms

Make Syntactically Valid Names

Class for ‘no quote’ Printing of Character Strings

Find Maximum Position in Matrix

Express File Paths in Canonical Form

Scaling and Centering of Matrix-like Objects

showConnections

Display Connections

Transform an Object, for Example a Data Frame

Trace Copying of Objects

Quote Strings for Use in OS Shells

Rounding of Numbers

Auxiliary Function for Sorting and Ranking

Not Yet Implemented Functions and Unused Arguments

The Number of Rows/Columns of an Array

Numeric Vectors

NumericConstants

Numeric Constants

The QR Decomposition of a Matrix

print.data.frame

Printing Data Frames

Look Up a Primitive Function

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

Raw Connections

Parse Expressions

Convert to or from Raw Vectors

Concatenate Strings

Running Time of R

Product of Vector Elements

Recursive Calling

Set Environment Variables from a File

Run Length Encoding

Read Data Values

Return the R Home Directory

Give Search Path for R Objects

Read Text Lines from a Connection

Serialization Interface for Single Objects

Get and Set Row Names for Data Frames

Create A Vector of Sequences

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

Wrap Character Strings to Format Paragraphs

Use C-style String Formatting Commands

Divide into Groups and Reassemble

Simple Serialization Interface

Operator Syntax and Precedence

Subsetting Vectors, Matrices and Data Frames

Get Environment Variables

Cross Tabulation and Table Creation

Tabulation for Vectors

Text Connections

Encode in a Common Format

Version Information

Vectorize a Scalar Function

Format P Values

Generate Factor Levels

Pattern Matching and Replacement

Identity Function

Is an Object of Single Precision Type?

Is an Object Atomic or Recursive?

Conditional Element Selection

List the Files in a Directory/Folder

Value of Last Evaluated Expression

Apply a Function over a List or Vector

Compute table margin

Lists -- Generic and Dotted Pairs

Create a Matrix or a Vector

The (Storage) Mode of an Object

Names and Symbols

Display Numbers in Octal

Expand File Paths

Function Exit Code

Read a Line from the Terminal

Platform Specific Variables

Transfer Character Strings To and From Connections

Replicate Elements of Vectors and Lists

Replace Values in a Vector

Round / Truncate Data-Time Objects

Wait on Socket Connections

Generate Regular Sequences of Dates

Functions to Reposition Connections

Dimnames of an Object

Options for Expression Deparsing

Expression Deparsing

Execute a Function Call

Encode Character Vector as for Printing

Read or Set the Declared Encodings for a Character Vector

Ascertain File Accessibility

Manipulaton of Directories and File Permissions

Choose a File Interactively

Split the Elements of a Character Vector

Solve a System of Equations

Sweep out Array Summaries

Convert Strings to Integers

Select One of a List of Alternatives

Set or Unset Environment Variables

Sys.setFileTime

Get Current Date and Time

Find Full Paths to Executables

Compute DLL for Native Interface Call

Report Time Spent in Garbage Collection

Garbage Collection

getDLLRegisteredRoutines

Reflectance Information for C/Fortran routines in a DLL

Setup Collation by ICU

Test Objects for Exact Equality

Is R Running Interactively?

Test for an S4 object

Call an Internal Function

Sorting or Ordering Vectors

Test if a Matrix or other Object is Symmetric

Special Functions of Mathematics

References to source files

Trim Character Strings to Specified Display Widths

Attribute Specification

Get the Process ID of the R Session

Wildcard Expansion on File Paths

Invoke a System Command

Convert a Date or Date-Time Object to a Factor

Matrix Transpose

Detach Objects from the Search Path

Lists of Open/Active Graphics Devices

Write an Object to a File or Recreate it

Drop Redundant Extent Information

Maxima and Minima

Text Representations of R Objects

Apply a Function Over a Ragged Array

Remove names or dimnames

Add or Remove a Top-Level Task Callback

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

Warning Messages

Print Warning Messages

Numerical Characteristics of the Machine

Listing of Packages

Logarithms and Exponentials

Find Labels from Object

Query or Set Aspects of the Locale

Extract a Function Specified by Name

Arithmetic Mean

In-memory Compression and Decompression

Count the Number of Characters (or Bytes or Width)

The Number of Levels of a Factor

Find Interval Numbers or Indices

Access to and Manipulation of the Formal Arguments

Force Evaluation of an Argument

Get DLLs Loaded in Current Session

format(.) Information

getNativeSymbolInfo

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

Hyperbolic Functions

Finite, Infinite and NaN Numbers

Convert Character Vector between Encodings

Is an Object of Type (Primitive) Function?

Top Level Environment

Namespace Reflection Support

Parentheses and Braces

Outer Product of Arrays

Default Printing

User-supplied Random Number Generation

Print Matrices, Old-style

Recursively Apply a Function to a List

Random Number Generation

Lazy Load a Database of R Objects

Levels Attributes

Memory Limits in R

Memory Available for Data Storage

The Number of Arguments to a Function

The Names of an Object

Double Colon and Triple Colon Operators

Hooks for Namespace Events

Operators on the Date Class

Ordering Permutation

Convert an R Object to a Character String

Delete Files and Directories

Which indices are TRUE?

Extract Parts of a POSIXt or Date Object

Remove Objects from a Specified Environment

Rounding of Numbers

Set CPU and/or Elapsed Time Limits

Send R Output to a File

standardGeneric

Formal Method System -- Dispatching S4 Methods

Substituting and Quoting Expressions

Initialization at Start of an R Session

Convert Positions in the Search Path to Environments

Pretty Breakpoints

Express Table Entries as Fraction of Marginal Table

Push Text Back on to a Connection

Range of Values

Reverse Elements

Reserved Words in R

Generate Regular Sequences of Times

Sequence Generation

Extract System and User Information

Substrings of a Character Vector

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

Find Names of R System Files

taskCallbackManager

Create an R-level Task Callback Manager

The Type of an Object

taskCallbackNames

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

Convert to or from UTF-8-encoded Character Vectors

Extract Unique Elements

Extract or Replace A Slot

Slice Indexes in an Array

Stop Function Execution

Ensure the Truth of R Expressions

Object Summaries

Sum of Vector Elements

Read File Symbolic Links

Functions to Access the Function Call Stack

Suspend Execution for a Time Interval

Parse and Evaluate Expressions from a File

Print Call Stacks

Interactive Tracing and Debugging of Calls to a Function or Method

Trigonometric Functions

Try an Expression Allowing Error Recovery

Evaluate an Expression in a Data Environment

Return both a value and its visibility

Miscellaneous Internal/Programming Utilities

Scripting Language Interface

Write Data to a File

Write Lines to a Connection