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base (version 3.3.2)

The R Base Package

Description

Base R functions.

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Version

Version

3.3.2

License

Part of R 3.3.2

Maintainer

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

Last Published

December 12th, 2019

Functions in base (3.3.2)

Are All Values True?

Abbreviate Strings

Approximate String Matching (Fuzzy Matching)

Are Some Values True?

Find All Names in an Expression

Test if Two Objects are (Nearly) Equal

Apply Functions Over Array Margins

Array Transposition

Argument List of a Function

Arithmetic Operators

Coerce to a Data Frame

Multi-way Arrays

Date Conversion Functions to and from Character

Assign a Value to a Name

Inhibit Interpretation/Conversion of Objects

Date-time Conversion Functions

Assignment Operators

Coerce to an Environment Object

Convert Object to Function

On-demand Loading of Packages

Manipulate File Paths

Defunct Functions in Package

base-deprecated

Deprecated Functions in Package

Attach Set of R Objects to Search Path

Object Attribute Lists

Internal Objects in Package

Object Attributes

Solve an Upper or Lower Triangular System

Access to and Manipulation of the Body of a Function

Bitwise Logical Operations

Apply a Function to a Data Frame Split by Factors

Returns the Names of All Built-in Objects

Bin a Numeric Vector

Bessel Functions

Binding and Environment Locking, Active Bindings

Partial substitution in expressions

Environment Browser

Combine Values into a Vector or List

Report Capabilities of this Build of R

Call With Current Continuation

Concatenate and Print

Partial String Matching

Character Vectors

Combine R Objects by Rows or Columns

Modern Interfaces to C/C++ code

Expand a String with Respect to a Target Table

Character Translation and Casefolding

Inverse from Choleski (or QR) Decomposition

The Choleski Decomposition

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

Form Row and Column Sums and Means

Row and Column Names

Extract Command Line Arguments

Built-in Constants

R Project Contributors

Condition Handling and Recovery

Complex Numbers and Basic Functionality

Expression Deparsing

Delay Evaluation

Dimensions of an Object

Dimnames of an Object

Calculate the Determinant of a Matrix

Detach Objects from the Search Path

Relational Operators

dataframeHelpers

Data Frame Auxiliary Functions

Convert a Data Frame to a Numeric Matrix

Debug a Function

Marking Objects as Defunct

Execute a Function Call

Identity Function to Suppress Checking

Search for Masked Objects on the Search Path

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

Convert Numeric to Factor

Convert a Date or Date-Time Object to a Factor

System Date and Time

Lagged Differences

Cumulative Sums, Products, and Extremes

Time Intervals / Differences

DateTimeClasses

Date-Time Classes

Read and Write Data in DCF Format

Apply a Function Over Values in an Environment

Foreign Function Interface

Matrix Diagonals

Format P Values

Encode in a Common Format

Spectral Decomposition of a Matrix

Read or Set the Declared Encodings for a Character Vector

Choose a File Interactively

Environment Access

Extract File Information

Copyrights of Files Used to Build R

Report Information on C Stack Size and Usage

Matrix Crossproduct

Options for Expression Deparsing

Marking Objects as Deprecated

Text Representations of R Objects

Determine Duplicate Elements

Is an Object Defined?

Get or Set Working Directory

Translate Text Messages

Create a Data Frame from All Combinations of Factor Variables

Convert Character Vector between Encodings

Call an Internal Function

Setup Collation by ICU

InternalMethods

Internal Generic Functions

Date-time Conversion Functions from Numeric Representations

Search Paths for Packages

Are we using R, rather than S?

Extract.data.frame

Extract or Replace Parts of a Data Frame

Unevaluated Expressions

Force Evaluation of an Argument

Manipulaton of Directories and File Permissions

File Manipulation

Call a function with Some Arguments Forced

Formatting Using C-style Formats

Pattern Matching for Raw Vectors

S3 Group Generic Functions

Format Description Lists

Identity Function

Test Objects for Exact Equality

Finite, Infinite and NaN Numbers

Change the Print Mode to Invisible

Logarithms and Exponentials

Logical Operators

Does a Formal Argument have a Value?

Torture Garbage Collector

Compute the Norm of a Matrix

The (Storage) Mode of an Object

Return the Value of a Named Object

Is an Object of Single Precision Type?

Test if an Object is Not Sorted

Find Labels from Object

Apply a Function over a List or Vector

Value of Last Evaluated Expression

The R License Terms

Access to and Manipulation of the Formal Arguments

Ascertain File Accessibility

Get DLLs Loaded in Current Session

Report Time Spent in Garbage Collection

Garbage Collection

format(.) Information

Display Numbers in Hexadecimal

getNativeSymbolInfo

Hyperbolic Functions

Logical Vectors

Lower and Upper Triangular Part of a Matrix

Merge Two Data Frames

Matrix Multiplication

Diagnostic Messages

numeric_version

Numeric Versions

Numeric Vectors

Drop Redundant Extent Information

Evaluate an (Unevaluated) Expression

Environment Variables

Construct Path to File

Display One or More Text Files

Foreign-internal

Internal Versions of the Foreign Function Interface

Foreign Function Interface

Compute DLL for Native Interface Call

Double-Precision Vectors

getDLLRegisteredRoutines

Reflectance Information for C/Fortran routines in a DLL

Write an Object to a File or Recreate it

Extract or Replace Parts of an Object

Extract or Replace Parts of a Factor

Maxima and Minima

Find Interval Numbers or Indices

Function Definition

User-supplied Random Number Generation

Common Higher-Order Functions in Functional Programming Languages

Random Number Generation

Run Length Encoding

Recursive Calling

Remove Objects from a Specified Environment

Rounding of Numbers

Round / Truncate Data-Time Objects

Quote Strings for Use in OS Shells

Function Exit Code

showConnections

Display Connections

Convert Positions in the Search Path to Environments

Find Zeros of a Real or Complex Polynomial

Operators on the Date Class

Push Text Back on to a Connection

Express Table Entries as Fraction of Marginal Table

Finalization of Objects

Regular Expressions as used in R

Generate Regular Sequences of Dates

Functions to Reposition Connections

Special Functions of Mathematics

Divide into Groups and Reassemble

Sum of Vector Elements

Use C-style String Formatting Commands

Object Summaries

Find Names of R System Files

Transform an Object, for Example a Data Frame

Trigonometric Functions

Extract Parts of a POSIXt or Date Object

Which indices are TRUE?

Is an Object Atomic or Recursive?

Compute or Estimate the Condition Number of a Matrix

Loading/Attaching and Listing of Packages

Loading DLLs from Packages

Compute table margin

From A List, Build or Add To an Environment

Apply a Function to Multiple List or Vector Arguments

Lists -- Generic and Dotted Pairs

Sorting or Ordering Vectors

Date-time Conversion Functions to and from Character

Read R Code from a File or a Connection

Split the Elements of a Character Vector

Repeat the Elements of a Character Vector

Convert Strings to Integers

Set or Unset Environment Variables

Wildcard Expansion on File Paths

Get the Process ID of the R Session

Sys.setFileTime

Grouping Permutation

Conditional Element Selection

Is an Object of Type (Primitive) Function?

Integer Vectors

Is an Object a Language Object?

Localization Information

Kronecker Products on Arrays

Lengths of List or Vector Elements

Levels Attributes

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

Delete Files and Directories

In-memory Compression and Decompression

The Names of an Object

Memory Limits in R

The Number of Arguments to a Function

Loading and Unloading Name Spaces

Ordering Permutation

Options Settings

Namespace Reflection Support

Make Syntactically Valid Names

Partial String Matching

Platform Specific Variables

Arithmetic Mean

Find Maximum Position in Matrix

Make Character Strings Unique

Count the Number of Characters (or Bytes or Width)

The Number of Levels of a Factor

Hooks for Namespace Events

Namespace Internals

NumericConstants

Numeric Constants

Extract a Function Specified by Name

Argument Matching

List the Files in a Directory/Folder

Miscellaneous Mathematical Functions

The Number of Rows/Columns of an Array

Top Level Environment

The Null Object

Double Colon and Triple Colon Operators

Expand File Paths

Recursively Apply a Function to a List

Default Printing

print.data.frame

Printing Data Frames

Raw Connections

Convert to or from Raw Vectors

Reverse Elements

Return the R Home Directory

Get and Set Row Names for Data Frames

Look Up a Primitive Function

Pretty Breakpoints

Terminate an R Session

Read Text Lines from a Connection

Serialization Interface for Single Objects

Reserved Words in R

Replace Values in a Vector

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

Set CPU and/or Elapsed Time Limits

Solve a System of Equations

Wait on Socket Connections

References to Source Files and Code

standardGeneric

Formal Method System -- Dispatching S4 Methods

Substituting and Quoting Expressions

Substrings of a Character Vector

Functions to Access the Function Call Stack

Random Samples and Permutations

Extract or Replace A Slot

Slice Indexes in an Array

Trim Character Strings to Specified Display Widths

Attribute Specification

Operator Syntax and Precedence

Invoke a System Command

Get Environment Variables

Matrix Transpose

Create Names for Temporary Files

Parse Expressions

Display Numbers in Octal

Concatenate Strings

Print Matrices, Old-style

Range of Values

Transfer Binary Data To and From Connections

Utilities for Processing Rd Files

Generate Factor Levels

Pattern Matching and Replacement

Is R Running Interactively?

Compute Factor Interactions

Test for an S4 object

Lazy Load a Database of R Objects

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

Length of an Object

Scaling and Centering of Matrix-like Objects

Query or Set Aspects of the Locale

Reload Saved Datasets

Sequence Generation

Generate Regular Sequences of Times

Ensure the Truth of R Expressions

Stop Function Execution

Send R Output to a File

Extract System and User Information

Version Information

Write Lines to a Connection

Remove Leading/Trailing Whitespace

Find Details of the Numerical and Monetary Representations

Suspend Execution for a Time Interval

Scripting Language Interface

Listing of Packages

Vectorize a Scalar Function

Parse and Evaluate Expressions from a File

The Type of an Object

Extract Unique Elements

taskCallbackNames

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

Print Warning Messages

Warning Messages

Create a Matrix or a Vector

Miscellaneous Internal/Programming Utilities

Argument Verification Using Partial Matching

Profile the Usage of Cons Cells

Express File Paths in Canonical Form

Not Yet Implemented Functions and Unused Arguments

Try an Expression Allowing Error Recovery

Parentheses and Braces

Running Time of R

The QR Decomposition of a Matrix

Product of Vector Elements

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

Transfer Character Strings To and From Connections

Replicate Elements of Vectors and Lists

Extract or Replace Matched Substrings

Read a Line from the Terminal

Read Data Values

Give Search Path for R Objects

Auxiliary Function for Sorting and Ranking

Create A Vector of Sequences

Simple Serialization Interface

Wrap Character Strings to Format Paragraphs

Does String Start or End With Another String?

Initialization at Start of an R Session

Select One of a List of Alternatives

Sweep out Array Summaries

Subsetting Vectors, Matrices and Data Frames

Memory Available for Data Storage

Get Current Date and Time

Names and Symbols

Find Full Paths to Executables

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

Evaluate an Expression in a Data Environment

Numerical Characteristics of the Machine

Outer Product of Arrays

Rounding of Numbers

Text Connections

Apply a Function Over a Ragged Array

Add or Remove a Top-Level Task Callback

Get and Print Call Stacks

Trace Copying of Objects

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

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

Return both a value and its visibility

taskCallbackManager

Create an R-level Task Callback Manager

Write Data to a File

Singular Value Decomposition of a Matrix

Open a File or URL using Windows File Associations

Invoke a System Command, using a Shell

Interrupting Execution of R

Invoke a System Command