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base (version 3.1.1)

The R Base Package

Description

Base R functions

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Version

Version

3.1.1

License

Part of R 3.1.1

Maintainer

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

Last Published

December 12th, 2019

Functions in base (3.1.1)

Find All Names in an Expression

Abbreviate Strings

Are Some Values True?

Approximate String Matching (Fuzzy Matching)

Are All Values True?

Array Transposition

Test if Two Objects are (Nearly) Equal

Apply Functions Over Array Margins

Argument List of a Function

Inhibit Interpretation/Conversion of Objects

Coerce to an Environment Object

Arithmetic Operators

Date Conversion Functions to and from Character

Assignment Operators

Multi-way Arrays

Coerce to a Data Frame

Convert Object to Function

Assign a Value to a Name

Date-time Conversion Functions

On-demand Loading of Packages

Attach Set of R Objects to Search Path

Object Attributes

base-deprecated

Deprecated Functions in Package base

Internal Objects in Package base

Manipulate File Paths

The R Base Package

Solve an Upper or Lower Triangular System

Object Attribute Lists

Defunct Functions in Package base

Access to and Manipulation of the Body of a Function

Binding and Environment Locking, Active Bindings

Environment Browser

Bin a Numeric Vector

Bessel Functions

Partial substitution in expressions

Returns the Names of All Built-in Objects

Functions to Retrieve Values Supplied by Calls to the Browser

Apply a Function to a Data Frame Split by Factors

Bitwise Logical Operations

Combine R Objects by Rows or Columns

Call With Current Continuation

Report Capabilities of this Build of R

Modern Interfaces to C/C++ code

Concatenate and Print

Partial String Matching

Expand a String with Respect to a Target Table

Combine Values into a Vector or List

Character Vectors

The Choleski Decomposition

Character Translation and Casefolding

Inverse from Choleski (or QR) Decomposition

Form Row and Column Sums and Means

Query or Set a "comment" Attribute

Extract Command Line Arguments

Row and Column Names

Matrix Crossproduct

Report Information on C Stack Size and Usage

Detach Objects from the Search Path

DateTimeClasses

Date-Time Classes

System Date and Time

dataframeHelpers

Data Frame Auxiliary Functions

Lists of Open/Active Graphics Devices

Marking Objects as Defunct

Delay Evaluation

Dimnames of an Object

Execute a Function Call

Environment Access

Is an Object Defined?

Condition Handling and Recovery

Evaluate an (Unevaluated) Expression

Environment Variables

Cumulative Sums, Products, and Extremes

Search for Masked Objects on the Search Path

Convert Numeric to Factor

Expression Deparsing

Options for Expression Deparsing

Lagged Differences

Matrix Diagonals

Encode Character Vector as for Printing

Built-in Constants

Read or Set the Declared Encodings for a Character Vector

R Project Contributors

Convert a Data Frame to a Numeric Matrix

Read and Write Data in DCF Format

Maxima and Minima

Debug a Function

Find Interval Numbers or Indices

Force Evaluation of an Argument

Complex Vectors

Relational Operators

Convert a Date or Date-Time Object to a Factor

Marking Objects as Deprecated

Calculate the Determinant of a Matrix

Identity Function to Suppress Checking

Dimensions of an Object

Ascertain File Accessibility

Spectral Decomposition of a Matrix

Apply a Function Over Values in an Environment

Formatting Using C-style Formats

Choose a File Interactively

Format Description Lists

getNativeSymbolInfo

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

Get DLLs Loaded in Current Session

Search Paths for Packages

Display Numbers in Hexadecimal

(De)compress I/O Through Connections

Logical Operators

Loading DLLs from Packages

Double-Precision Vectors

Text Representations of R Objects

Create a Data Frame from All Combinations of Factors

Unevaluated Expressions

Extract File Information

Display One or More Files

Common Higher-Order Functions in Functional Programming Languages

Function Definition

Construct Path to File

Return the Value of a Named Object

Torture Garbage Collector

Setup Collation by ICU

Foreign-internal

Internal Versions of the Foreign Function Interface

Foreign Function Interface

Garbage Collection

Compute DLL for Native Interface Call

getDLLRegisteredRoutines

Reflectance Information for C/Fortran routines in a DLL

Report Time Spent in Garbage Collection

Argument Verification Using Partial Matching

Logical Vectors

Argument Matching

Diagnostic Messages

Does a Formal Argument have a Value?

Namespace Reflection Support

Top Level Environment

Identity Function

Numeric Vectors

Conditional Element Selection

Finite, Infinite and NaN Numbers

Is an Object of Type (Primitive) Function?

Test if a Matrix or other Object is Symmetric

Test for an S4 object

Translate Text Messages

Pattern Matching for Raw Vectors

Get or Set Working Directory

S3 Group Generic Functions

Is an Object a Language Object?

Is an Object ‘internally classed’?

Lazy Load a Database of R Objects

Compute or Estimate the Condition Number of a Matrix

‘Jitter’ (Add Noise) to Numbers

Query or Set Aspects of the Locale

Logarithms and Exponentials

Make Character Strings Unique

Apply a Function to Multiple List or Vector Arguments

In-memory Compression and Decompression

Arithmetic Mean

Double Colon and Triple Colon Operators

Outer Product of Arrays

Hooks for Namespace Events

Parentheses and Braces

Test Objects for Exact Equality

Integer Vectors

Compute Factor Interactions

Is an Object of Single Precision Type?

Is an Object Atomic or Recursive?

Compute table margin

Lists -- Generic and Dotted Pairs

Find Labels from Object

List the Files in a Directory/Folder

Copyrights of Files Used to Build R

Write an Object to a File or Recreate it

Drop Redundant Extent Information

Determine Duplicate Elements

Foreign Function Interface

Extract.data.frame

Extract or Replace Parts of a Data Frame

Extract or Replace Parts of a Factor

Manipulaton of Directories and File Permissions

File Manipulation

Access to and Manipulation of the Formal Arguments

format(.) Information

Is R Running Interactively?

Call an Internal Function

Kronecker Products on Arrays

Value of Last Evaluated Expression

Apply a Function over a List or Vector

Localization Information

Lower and Upper Triangular Part of a Matrix

Memory Limits in R

Class for ‘no quote’ Printing of Character Strings

Express File Paths in Canonical Form

Memory Available for Data Storage

The Null Object

Operators on the Date Class

numeric_version

Numeric Versions

Ordering Permutation

Expand File Paths

Encode in a Common Format

Format P Values

Generate Factor Levels

Pattern Matching and Replacement

Convert Character Vector between Encodings

Hyperbolic Functions

InternalMethods

Internal Generic Functions

Change the Print Mode to Invisible

Are we using R, rather than S?

Date-time Conversion Functions from Numeric Representations

NumericConstants

Numeric Constants

Look Up a Primitive Function

print.data.frame

Printing Data Frames

Utilities for Processing Rd Files

Transfer Binary Data To and From Connections

Read Text Lines from a Connection

Serialization Interface for Single Objects

Run Length Encoding

Return the R Home Directory

Slice Indexes in an Array

Platform Specific Variables

The QR Decomposition of a Matrix

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

Reverse Elements

Reserved Words in R

Raw Connections

Convert to or from Raw Vectors

Sorting or Ordering Vectors

Give Search Path for R Objects

Read Data Values

Loading/Attaching and Listing of Packages

The R License Terms

Miscellaneous Mathematical Functions

Make Syntactically Valid Names

Matrix Multiplication

Count the Number of Characters (or Bytes or Width)

The Number of Levels of a Factor

Namespace Internals

Loading and Unloading Name Spaces

Create a Matrix or a Vector

Profile the Usage of Cons Cells

Names and Symbols

The (Storage) Mode of an Object

Merge Two Data Frames

Remove Objects from a Specified Environment

User-supplied Random Number Generation

Random Number Generation

Rounding of Numbers

Set CPU and/or Elapsed Time Limits

Stop Function Execution

Sweep out Array Summaries

Get Current Date and Time

Select One of a List of Alternatives

Ensure the Truth of R Expressions

Print Call Stacks

Find Full Paths to Executables

Interactive Tracing and Debugging of Calls to a Function or Method

The Type of an Object

Display Numbers in Octal

Function Exit Code

Partial String Matching

Express Table Entries as Fraction of Marginal Table

Find Zeros of a Real or Complex Polynomial

Push Text Back on to a Connection

Recursively Apply a Function to a List

Set Environment Variables from a File

Extract or Replace A Slot

Recursive Calling

Trim Character Strings to Specified Display Widths

Attribute Specification

Get the Process ID of the R Session

Find Names of R System Files

Wildcard Expansion on File Paths

Trigonometric Functions

Convert an R Object to a Character String

Scaling and Centering of Matrix-like Objects

Sequence Generation

Send R Output to a File

Generate Regular Sequences of Times

Operator Syntax and Precedence

Convert Strings to Integers

Split the Elements of a Character Vector

Try an Expression Allowing Error Recovery

Get Environment Variables

Vectorize a Scalar Function

Version Information

Numerical Characteristics of the Machine

Print Warning Messages

Warning Messages

Extract Unique Elements

Listing of Packages

Trace Copying of Objects

Parse and Evaluate Expressions from a File

Suspend Execution for a Time Interval

Transform an Object, for Example a Data Frame

Special Functions of Mathematics

Functions to Access the Function Call Stack

Read File Symbolic Links

Substrings of a Character Vector

References to source files

Substituting and Quoting Expressions

taskCallbackNames

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

taskCallbackManager

Create an R-level Task Callback Manager

Evaluate an Expression in a Data Environment

Levels Attributes

Extract a Function Specified by Name

Reload Saved Datasets

From A List, Build or Add To an Environment

The Number of Arguments to a Function

The Names of an Object

Find Maximum Position in Matrix

Not Yet Implemented Functions and Unused Arguments

Return both a value and its visibility

Scripting Language Interface

Convert Positions in the Search Path to Environments

Miscellaneous Internal/Programming Utilities

Terminate an R Session

Pretty Breakpoints

Transfer Character Strings To and From Connections

Finalization of Objects

Read a Line from the Terminal

Extract or Replace Matched Substrings

Get and Set Row Names for Data Frames

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

Functions to Reposition Connections

Generate Regular Sequences of Dates

showConnections

Display Connections

Quote Strings for Use in OS Shells

Use C-style String Formatting Commands

Divide into Groups and Reassemble

Wrap Character Strings to Format Paragraphs

Subsetting Vectors, Matrices and Data Frames

Sys.setFileTime

Set or Unset Environment Variables

Parse Expressions

The Number of Rows/Columns of an Array

Print Matrices, Old-style

Default Printing

Concatenate Strings

Running Time of R

Product of Vector Elements

Range of Values

Replicate Elements of Vectors and Lists

Apply a Function Over a Ragged Array

Matrix Transpose

Invoke a System Command

Remove names or dimnames

Add or Remove a Top-Level Task Callback

Convert to or from UTF-8-encoded Character Vectors

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

Write Data to a File

Round / Truncate Data-Time Objects

Replace Values in a Vector

Wait on Socket Connections

Simple Serialization Interface

Create A Vector of Sequences

standardGeneric

Formal Method System -- Dispatching S4 Methods

Solve a System of Equations

Initialization at Start of an R Session

Sum of Vector Elements

Write Lines to a Connection

Extract System and User Information

Object Summaries

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

Cross Tabulation and Table Creation

Delete Files and Directories

Tabulation for Vectors

Text Connections

Extract Parts of a POSIXt or Date Object

Which indices are TRUE?

Rounding of Numbers

Auxiliary Function for Sorting and Ranking