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base (version 3.2.0)

The R Base Package

Description

Base R functions.

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Version

Version

3.2.0

License

Part of R 3.2.0

Maintainer

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

Last Published

December 12th, 2019

Functions in base (3.2.0)

Are All Values True?

Are Some Values True?

Abbreviate Strings

Approximate String Matching (Fuzzy Matching)

Array Transposition

Apply Functions Over Array Margins

Test if Two Objects are (Nearly) Equal

Argument List of a Function

Find All Names in an Expression

Convert Object to Function

Coerce to a Data Frame

Inhibit Interpretation/Conversion of Objects

Assignment Operators

Arithmetic Operators

Date-time Conversion Functions

Coerce to an Environment Object

Multi-way Arrays

Assign a Value to a Name

Date Conversion Functions to and from Character

Attach Set of R Objects to Search Path

Object Attributes

Manipulate File Paths

Solve an Upper or Lower Triangular System

Defunct Functions in Package base

base-deprecated

Deprecated Functions in Package base

Object Attribute Lists

On-demand Loading of Packages

Internal Objects in Package base

The R Base Package

Binding and Environment Locking, Active Bindings

Partial substitution in expressions

Bitwise Logical Operations

Returns the Names of All Built-in Objects

Bin a Numeric Vector

Bessel Functions

Access to and Manipulation of the Body of a Function

Environment Browser

Apply a Function to a Data Frame Split by Factors

Functions to Retrieve Values Supplied by Calls to the Browser

Character Vectors

Report Capabilities of this Build of R

Partial String Matching

Expand a String with Respect to a Target Table

Modern Interfaces to C/C++ code

Call With Current Continuation

Combine R Objects by Rows or Columns

Concatenate and Print

Combine Values into a Vector or List

Extract Command Line Arguments

Inverse from Choleski (or QR) Decomposition

Query or Set a "comment" Attribute

Character Translation and Casefolding

The Choleski Decomposition

Form Row and Column Sums and Means

Row and Column Names

R Project Contributors

Copyrights of Files Used to Build R

Built-in Constants

Complex Vectors

Search for Masked Objects on the Search Path

Condition Handling and Recovery

Matrix Crossproduct

Relational Operators

Functions to Manipulate Connections

Calculate the Determinant of a Matrix

Detach Objects from the Search Path

dataframeHelpers

Data Frame Auxiliary Functions

Convert a Data Frame to a Numeric Matrix

Foreign Function Interface

Determine Duplicate Elements

Retrieve Headers from URLs

Report Version of libcurl

Options for Expression Deparsing

Dimensions of an Object

Marking Objects as Deprecated

Encode Character Vector as for Printing

Execute a Function Call

Read or Set the Declared Encodings for a Character Vector

Expression Deparsing

Delay Evaluation

Identity Function to Suppress Checking

Double-Precision Vectors

Create a Data Frame from All Combinations of Factors

Extract.data.frame

Extract or Replace Parts of a Data Frame

Unevaluated Expressions

Extract File Information

Extract or Replace Parts of a Factor

Construct Path to File

Call a function with Some Arguments Forced

Foreign-internal

Internal Versions of the Foreign Function Interface

Return the Value of a Named Object

Compute DLL for Native Interface Call

Extract or Replace Parts of an Object

Ascertain File Accessibility

Maxima and Minima

Access to and Manipulation of the Formal Arguments

Foreign Function Interface

Choose a File Interactively

Format Description Lists

Hyperbolic Functions

Function Definition

Convert Character Vector between Encodings

(De)compress I/O Through Connections

Display Numbers in Hexadecimal

Date-time Conversion Functions from Numeric Representations

Test Objects for Exact Equality

Setup Collation by ICU

Loading/Attaching and Listing of Packages

Are we using R, rather than S?

Convert Numeric to Factor

The R License Terms

Convert a Date or Date-Time Object to a Factor

System Date and Time

Is an Object Defined?

Evaluate an (Unevaluated) Expression

Text Representations of R Objects

Manipulaton of Directories and File Permissions

Make Syntactically Valid Names

Argument Verification Using Partial Matching

Argument Matching

Names and Symbols

The (Storage) Mode of an Object

The Number of Levels of a Factor

Count the Number of Characters (or Bytes or Width)

Namespace Internals

Hooks for Namespace Events

format(.) Information

Encode in a Common Format

getDLLRegisteredRoutines

Reflectance Information for C/Fortran routines in a DLL

getNativeSymbolInfo

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

Is R Running Interactively?

Generate Factor Levels

Pattern Matching and Replacement

Test for an S4 object

Call an Internal Function

Test if a Matrix or other Object is Symmetric

Read and Write Data in DCF Format

DateTimeClasses

Date-Time Classes

Write an Object to a File or Recreate it

Matrix Diagonals

Lists of Open/Active Graphics Devices

Drop Redundant Extent Information

Environment Access

Report Versions of Third-Party Software

Environment Variables

Identity Function

Conditional Element Selection

Is an Object Atomic or Recursive?

Kronecker Products on Arrays

Is an Object of Single Precision Type?

Logical Operators

Localization Information

Diagnostic Messages

Logical Vectors

Does a Formal Argument have a Value?

Format P Values

Formatting Using C-style Formats

Pattern Matching for Raw Vectors

Torture Garbage Collector

Report Time Spent in Garbage Collection

Integer Vectors

S3 Group Generic Functions

From A List, Build or Add To an Environment

Length of an Object

Lazy Load a Database of R Objects

Reload Saved Datasets

Query or Set Aspects of the Locale

Logarithms and Exponentials

Find Interval Numbers or Indices

Force Evaluation of an Argument

Garbage Collection

Common Higher-Order Functions in Functional Programming Languages

List the Files in a Directory/Folder

Find Labels from Object

Lists -- Generic and Dotted Pairs

Miscellaneous Mathematical Functions

Lower and Upper Triangular Part of a Matrix

Matrix Multiplication

Memory Limits in R

Class for ‘no quote’ Printing of Character Strings

Memory Available for Data Storage

Compute the Norm of a Matrix

The Names of an Object

The Number of Arguments to a Function

Look Up a Primitive Function

print.data.frame

Printing Data Frames

Recursively Apply a Function to a List

Cumulative Sums, Products, and Extremes

Report Information on C Stack Size and Usage

Lagged Differences

Marking Objects as Defunct

Debug a Function

Compute Factor Interactions

Is an Object a Language Object?

Is an Object ‘internally classed’?

Apply a Function over a List or Vector

Value of Last Evaluated Expression

Loading DLLs from Packages

Search Paths for Packages

Make Character Strings Unique

Apply a Function to Multiple List or Vector Arguments

Find Maximum Position in Matrix

Numeric Vectors

numeric_version

Numeric Versions

Ordering Permutation

Print Matrices, Old-style

Outer Product of Arrays

Apply a Function Over Values in an Environment

Running Time of R

Random Number Generation

Spectral Decomposition of a Matrix

Display One or More Files

File Manipulation

Translate Text Messages

InternalMethods

Internal Generic Functions

Get or Set Working Directory

Is an Object of Type (Primitive) Function?

Finite, Infinite and NaN Numbers

Change the Print Mode to Invisible

Compute or Estimate the Condition Number of a Matrix

‘Jitter’ (Add Noise) to Numbers

Lengths of List Elements

Parentheses and Braces

Parse Expressions

Convert Positions in the Search Path to Environments

Product of Vector Elements

Pretty Breakpoints

Express Table Entries as Fraction of Marginal Table

Serialization Interface for Single Objects

Read Text Lines from a Connection

Set Environment Variables from a File

Recursive Calling

Levels Attributes

Compute table margin

Profile the Usage of Cons Cells

Merge Two Data Frames

Function Exit Code

NumericConstants

Numeric Constants

Display Numbers in Octal

Double Colon and Triple Colon Operators

The Number of Rows/Columns of an Array

Create a Matrix or a Vector

Rounding of Numbers

Remove Objects from a Specified Environment

Simple Serialization Interface

Extract or Replace A Slot

Subsetting Vectors, Matrices and Data Frames

Wrap Character Strings to Format Paragraphs

Wait on Socket Connections

Get Environment Variables

Operator Syntax and Precedence

Transfer Character Strings To and From Connections

Range of Values

Read a Line from the Terminal

Send R Output to a File

Extract or Replace Matched Substrings

Finalization of Objects

Divide into Groups and Reassemble

Slice Indexes in an Array

Extract System and User Information

Use C-style String Formatting Commands

Top Level Environment

The Null Object

Report Configuration Options for PCRE

Platform Specific Variables

Default Printing

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

Terminate an R Session

Utilities for Processing Rd Files

Transfer Binary Data To and From Connections

Get Current Date and Time

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

Find Full Paths to Executables

Delete Files and Directories

Extract Parts of a POSIXt or Date Object

Print Warning Messages

Evaluate an Expression in a Data Environment

Return both a value and its visibility

Extract a Function Specified by Name

Arithmetic Mean

Express File Paths in Canonical Form

In-memory Compression and Decompression

Not Yet Implemented Functions and Unused Arguments

Loading and Unloading Name Spaces

Namespace Reflection Support

Concatenate Strings

Return the R Home Directory

Run Length Encoding

Round / Truncate Data-Time Objects

Generate Regular Sequences of Dates

Quote Strings for Use in OS Shells

Sequence Generation

Stop Function Execution

Ensure the Truth of R Expressions

Sweep out Array Summaries

Sys.setFileTime

Suspend Execution for a Time Interval

Set or Unset Environment Variables

Select One of a List of Alternatives

Parse and Evaluate Expressions from a File

Apply a Function Over a Ragged Array

Invoke a System Command

Transform an Object, for Example a Data Frame

Add or Remove a Top-Level Task Callback

Matrix Transpose

taskCallbackNames

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

taskCallbackManager

Create an R-level Task Callback Manager

Replace Values in a Vector

Replicate Elements of Vectors and Lists

Get and Set Row Names for Data Frames

Give Search Path for R Objects

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

Functions to Reposition Connections

References to source files

Trim Character Strings to Specified Display Widths

Attribute Specification

Operators on the Date Class

Push Text Back on to a Connection

The QR Decomposition of a Matrix

Random Samples and Permutations

showConnections

Display Connections

Set CPU and/or Elapsed Time Limits

Solve a System of Equations

Sorting or Ordering Vectors

Trigonometric Functions

Vectorize a Scalar Function

Write Data to a File

Write Lines to a Connection

Expand File Paths

Partial String Matching

Find Zeros of a Real or Complex Polynomial

User-supplied Random Number Generation

Reverse Elements

Reserved Words in R

Raw Connections

Split the Elements of a Character Vector

Scaling and Centering of Matrix-like Objects

Convert Strings to Integers

Sum of Vector Elements

Object Summaries

Get the Process ID of the R Session

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

Trace Copying of Objects

Print Call Stacks

Wildcard Expansion on File Paths

Numerical Characteristics of the Machine

Convert to or from UTF-8-encoded Character Vectors

Scripting Language Interface

Listing of Packages

Find Names of R System Files

Miscellaneous Internal/Programming Utilities

The Type of an Object

Text Connections

Create Names for Temporary Files

Version Information

Extract Unique Elements

Warning Messages

Which indices are TRUE?

Read Data Values

Generate Regular Sequences of Times

Create A Vector of Sequences

Read R Code from a File or a Connection

Special Functions of Mathematics

standardGeneric

Formal Method System -- Dispatching S4 Methods

Initialization at Start of an R Session

Substituting and Quoting Expressions

Substrings of a Character Vector

Functions to Access the Function Call Stack

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

Read File Symbolic Links

Cross Tabulation and Table Creation

Tabulation for Vectors

Interactive Tracing and Debugging of Calls to a Function or Method

Convert an R Object to a Character String

Remove Leading/Trailing Whitespace

Try an Expression Allowing Error Recovery

Remove names or dimnames

Rounding of Numbers

Auxiliary Function for Sorting and Ranking