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base (version 3.3.3)

The R Base Package

Description

Base R functions.

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Version

Version

3.3.3

License

Part of R 3.3.3

Maintainer

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

Last Published

December 12th, 2019

Functions in base (3.3.3)

Inhibit Interpretation/Conversion of Objects

Modern Interfaces to C/C++ code

Relational Operators

Built-in Constants

Report Information on C Stack Size and Usage

Bessel Functions

Arithmetic Operators

DateTimeClasses

Date-Time Classes

Marking Objects as Deprecated

Maxima and Minima

Read or Set the Declared Encodings for a Character Vector

Extract.data.frame

Extract or Replace Parts of a Data Frame

Environment Variables

Extract or Replace Parts of a Factor

Marking Objects as Defunct

Foreign-internal

Internal Versions of the Foreign Function Interface

Extract or Replace Parts of an Object

InternalMethods

Internal Generic Functions

Foreign Function Interface

Date-time Conversion Functions from Numeric Representations

Logarithms and Exponentials

Hyperbolic Functions

Value of Last Evaluated Expression

Call an Internal Function

Logical Operators

Platform Specific Variables

Memory Available for Data Storage

Parentheses and Braces

Look Up a Primitive Function

Memory Limits in R

The Null Object

Operators on the Date Class

Miscellaneous Mathematical Functions

NumericConstants

Numeric Constants

User-supplied Random Number Generation

Special Functions of Mathematics

Recursive Calling

Utilities for Processing Rd Files

Initialization at Start of an R Session

Return the R Home Directory

Rounding of Numbers

Reserved Words in R

Random Number Generation

Sys.setFileTime

Get the Process ID of the R Session

Wildcard Expansion on File Paths

Extract System and User Information

Find Details of the Numerical and Monetary Representations

Operator Syntax and Precedence

Set or Unset Environment Variables

Suspend Execution for a Time Interval

Get Environment Variables

Vectorize a Scalar Function

Version Information

Abbreviate Strings

Get Current Date and Time

Trigonometric Functions

Approximate String Matching (Fuzzy Matching)

Find Full Paths to Executables

Are All Values True?

Test if Two Objects are (Nearly) Equal

Date Conversion Functions to and from Character

Coerce to a Data Frame

Multi-way Arrays

Find All Names in an Expression

Argument List of a Function

Apply Functions Over Array Margins

Are Some Values True?

Date-time Conversion Functions

Array Transposition

Coerce to an Environment Object

Defunct Functions in Package

Object Attributes

Assign a Value to a Name

Assignment Operators

Solve an Upper or Lower Triangular System

Convert Object to Function

Attach Set of R Objects to Search Path

Object Attribute Lists

On-demand Loading of Packages

Bin a Numeric Vector

Manipulate File Paths

Environment Browser

Bitwise Logical Operations

Internal Objects in Package

Partial substitution in expressions

Binding and Environment Locking, Active Bindings

base-deprecated

Deprecated Functions in Package

Access to and Manipulation of the Body of a Function

Expand a String with Respect to a Target Table

Extract Command Line Arguments

The Choleski Decomposition

Inverse from Choleski (or QR) Decomposition

Call With Current Continuation

Combine R Objects by Rows or Columns

Form Row and Column Sums and Means

Row and Column Names

R Project Contributors

Copyrights of Files Used to Build R

Convert a Data Frame to a Numeric Matrix

Returns the Names of All Built-in Objects

Convert Numeric to Factor

Delay Evaluation

Concatenate and Print

Drop Redundant Extent Information

File Manipulation

Report Capabilities of this Build of R

Display One or More Text Files

Is an Object Defined?

Expression Deparsing

Evaluate an (Unevaluated) Expression

Search for Masked Objects on the Search Path

Garbage Collection

Spectral Decomposition of a Matrix

Common Higher-Order Functions in Functional Programming Languages

Options for Expression Deparsing

System Date and Time

dataframeHelpers

Data Frame Auxiliary Functions

Apply a Function Over Values in an Environment

Calculate the Determinant of a Matrix

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

Report Time Spent in Garbage Collection

Torture Garbage Collector

Matrix Diagonals

getNativeSymbolInfo

Call a function with Some Arguments Forced

Execute a Function Call

Access to and Manipulation of the Formal Arguments

Convert Character Vector between Encodings

Translate Text Messages

Lagged Differences

Dimnames of an Object

Cumulative Sums, Products, and Extremes

Write an Object to a File or Recreate it

Apply a Function to a Data Frame Split by Factors

Partial String Matching

Combine Values into a Vector or List

Character Vectors

Matrix Crossproduct

Setup Collation by ICU

Detach Objects from the Search Path

Function Definition

Compute DLL for Native Interface Call

Return the Value of a Named Object

Find Interval Numbers or Indices

Text Representations of R Objects

Pattern Matching and Replacement

Force Evaluation of an Argument

Formatting Using C-style Formats

Pattern Matching for Raw Vectors

Dimensions of an Object

Determine Duplicate Elements

Convert a Date or Date-Time Object to a Factor

Time Intervals / Differences

Is an Object Atomic or Recursive?

Character Translation and Casefolding

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

Foreign Function Interface

Localization Information

Environment Access

Find Labels from Object

Apply a Function to Multiple List or Vector Arguments

Make Character Strings Unique

Lazy Load a Database of R Objects

Make Syntactically Valid Names

Apply a Function over a List or Vector

Compute table margin

Diagnostic Messages

Does a Formal Argument have a Value?

Complex Numbers and Basic Functionality

Condition Handling and Recovery

Identity Function to Suppress Checking

Read and Write Data in DCF Format

Debug a Function

Double-Precision Vectors

Ascertain File Accessibility

Choose a File Interactively

format(.) Information

Encode in a Common Format

Display Numbers in Hexadecimal

Compute Factor Interactions

Is R Running Interactively?

Loading DLLs from Packages

The R License Terms

From A List, Build or Add To an Environment

Reload Saved Datasets

Compute or Estimate the Condition Number of a Matrix

Kronecker Products on Arrays

Length of an Object

Query or Set Aspects of the Locale

Lengths of List or Vector Elements

Logical Vectors

Namespace Internals

Hooks for Namespace Events

Manipulaton of Directories and File Permissions

numeric_version

Numeric Versions

Display Numbers in Octal

Test Objects for Exact Equality

getDLLRegisteredRoutines

Reflectance Information for C/Fortran routines in a DLL

Get DLLs Loaded in Current Session

Identity Function

Is an Object of Type (Primitive) Function?

Is an Object a Language Object?

Are we using R, rather than S?

Read a Line from the Terminal

Finalization of Objects

Running Time of R

Product of Vector Elements

Wait on Socket Connections

Read Data Values

Extract or Replace A Slot

Stop Function Execution

Scaling and Centering of Matrix-like Objects

Grouping Permutation

S3 Group Generic Functions

Finite, Infinite and NaN Numbers

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

Change the Print Mode to Invisible

Loading/Attaching and Listing of Packages

Find Maximum Position in Matrix

In-memory Compression and Decompression

Arithmetic Mean

Loading and Unloading Name Spaces

Compute the Norm of a Matrix

Namespace Reflection Support

Convert Positions in the Search Path to Environments

Pretty Breakpoints

Serialization Interface for Single Objects

Extract a Function Specified by Name

print.data.frame

Printing Data Frames

Names and Symbols

The QR Decomposition of a Matrix

Matrix Multiplication

The (Storage) Mode of an Object

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

Convert to or from Raw Vectors

Transfer Binary Data To and From Connections

Create a Matrix or a Vector

Test for an S4 object

Lower and Upper Triangular Part of a Matrix

The Number of Rows/Columns of an Array

Double Colon and Triple Colon Operators

The Names of an Object

The Number of Arguments to a Function

Function Exit Code

Construct Path to File

Create a Data Frame from All Combinations of Factor Variables

Unevaluated Expressions

Extract File Information

Get or Set Working Directory

Generate Factor Levels

Conditional Element Selection

Format P Values

Format Description Lists

Integer Vectors

Options Settings

Find Zeros of a Real or Complex Polynomial

Partial String Matching

Default Printing

Print Matrices, Old-style

Transfer Character Strings To and From Connections

Read Text Lines from a Connection

Remove Objects from a Specified Environment

Round / Truncate Data-Time Objects

Random Samples and Permutations

Express File Paths in Canonical Form

Express Table Entries as Fraction of Marginal Table

Top Level Environment

Recursively Apply a Function to a List

Expand File Paths

Numeric Vectors

Push Text Back on to a Connection

Not Yet Implemented Functions and Unused Arguments

Is an Object of Single Precision Type?

Profile the Usage of Cons Cells

Merge Two Data Frames

Lists -- Generic and Dotted Pairs

List the Files in a Directory/Folder

Argument Verification Using Partial Matching

Argument Matching

Test if an Object is Not Sorted

Levels Attributes

Search Paths for Packages

Reverse Elements

Tabulation for Vectors

Use C-style String Formatting Commands

Create Names for Temporary Files

Count the Number of Characters (or Bytes or Width)

References to Source Files and Code

Cross Tabulation and Table Creation

Run Length Encoding

showConnections

Display Connections

The Number of Levels of a Factor

Ordering Permutation

Outer Product of Arrays

Parse Expressions

Raw Connections

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

Terminate an R Session

Range of Values

Concatenate Strings

Subsetting Vectors, Matrices and Data Frames

Ensure the Truth of R Expressions

Attribute Specification

Wrap Character Strings to Format Paragraphs

Slice Indexes in an Array

Trim Character Strings to Specified Display Widths

Create A Vector of Sequences

Send R Output to a File

Sequence Generation

Functions to Access the Function Call Stack

Parse and Evaluate Expressions from a File

Try an Expression Allowing Error Recovery

Select One of a List of Alternatives

Invoke a System Command

Auxiliary Function for Sorting and Ranking

Invoke a System Command, using a Shell

Open a File or URL using Windows File Associations

The Type of an Object

Replicate Elements of Vectors and Lists

Generate Regular Sequences of Times

Replace Values in a Vector

Get and Set Row Names for Data Frames

Generate Regular Sequences of Dates

Read R Code from a File or a Connection

Divide into Groups and Reassemble

Date-time Conversion Functions to and from Character

Repeat the Elements of a Character Vector

Quote Strings for Use in OS Shells

Solve a System of Equations

Sorting or Ordering Vectors

Split the Elements of a Character Vector

Convert Strings to Integers

Sum of Vector Elements

Object Summaries

taskCallbackManager

Create an R-level Task Callback Manager

Numerical Characteristics of the Machine

Transform an Object, for Example a Data Frame

Remove Leading/Trailing Whitespace

Text Connections

Warning Messages

Return both a value and its visibility

Evaluate an Expression in a Data Environment

Extract or Replace Matched Substrings

Regular Expressions as used in R

Give Search Path for R Objects

standardGeneric

Formal Method System -- Dispatching S4 Methods

Set CPU and/or Elapsed Time Limits

Does String Start or End With Another String?

Simple Serialization Interface

Functions to Reposition Connections

Substituting and Quoting Expressions

Substrings of a Character Vector

Get and Print Call Stacks

Find Names of R System Files

Trace Copying of Objects

Delete Files and Directories

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

Singular Value Decomposition of a Matrix

Sweep out Array Summaries

Apply a Function Over a Ragged Array

Add or Remove a Top-Level Task Callback

Convert an R Object to a Character String

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

Interactive Tracing and Debugging of Calls to a Function or Method

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

Which indices are TRUE?

Invoke a System Command

Matrix Transpose

Print Warning Messages

Extract Parts of a POSIXt or Date Object

Scripting Language Interface

Rounding of Numbers

Interrupting Execution of R

Extract Unique Elements

taskCallbackNames

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

Write Data to a File

Write Lines to a Connection

Listing of Packages

Miscellaneous Internal/Programming Utilities