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base (version 3.5.3)

The R Base Package

Description

Base R functions.

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Version

Version

3.5.3

License

Part of R 3.5.3

Last Published

December 12th, 2019

Functions in base (3.5.3)

Colon

Colon Operator
Encoding

Read or Set the Declared Encodings for a Character Vector
Bessel

Bessel Functions
CallExternal

Modern Interfaces to C/C++ code
InternalMethods

Internal Generic Functions
La_library

LAPACK Library
Dates

Date Class
Arithmetic

Arithmetic Operators
LongVectors

Long Vectors
Defunct

Marking Objects as Defunct
Extract

Extract or Replace Parts of an Object
EnvVar

Environment Variables
AsIs

Inhibit Interpretation/Conversion of Objects
La_version

LAPACK Version
MathFun

Miscellaneous Mathematical Functions
Reserved

Reserved Words in R
Foreign

Foreign Function Interface
Last.value

Value of Last Evaluated Expression
NumericConstants

Numeric Constants
Ops.Date

Operators on the Date Class
ISOdatetime

Date-time Conversion Functions from Numeric Representations
RdUtils

Utilities for Processing Rd Files
Recall

Recursive Calling
Hyperbolic

Hyperbolic Functions
Sys.glob

Wildcard Expansion on File Paths
Sys.info

Extract System and User Information
Cstack_info

Report Information on C Stack Size and Usage
UseMethod

Class Methods
Rhome

Return the R Home Directory
DateTimeClasses

Date-Time Classes
Extract.data.frame

Extract or Replace Parts of a Data Frame
Extract.factor

Extract or Replace Parts of a Factor
log

Logarithms and Exponentials
Sys.localeconv

Find Details of the Numerical and Monetary Representations in the Current Locale
Sys.readlink

Read File Symbolic Links
Memory-limits

Memory Limits in R
Memory

Memory Available for Data Storage
Primitive

Look Up a Primitive Function
Logic

Logical Operators
Quotes

Quotes
Internal

Call an Internal Function
Constants

Built-in Constants
Paren

Parentheses and Braces
NA

‘Not Available’ / Missing Values
.Platform

Platform Specific Variables
Round

Rounding of Numbers
agrep

Approximate String Matching (Fuzzy Matching)
NULL

The Null Object
Sys.sleep

Suspend Execution for a Time Interval
Sys.time

Get Current Date and Time
Special

Special Functions of Mathematics
all

Are All Values True?
Sys.getenv

Get Environment Variables
Syntax

Operator Syntax and Precedence
Sys.getpid

Get the Process ID of the R Session
as.Date

Date Conversion Functions to and from Character
Startup

Initialization at Start of an R Session
append

Vector Merging
assignOps

Assignment Operators
apply

Apply Functions Over Array Margins
Sys.which

Find Full Paths to Executables
Control

Control Flow
Vectorize

Vectorize a Scalar Function
as.POSIX*

Date-time Conversion Functions
as.function

Convert Object to Function
all.equal

Test if Two Objects are (Nearly) Equal
attr

Object Attributes
Trig

Trigonometric Functions
all.names

Find All Names in an Expression
Extremes

Maxima and Minima
attributes

Object Attribute Lists
attach

Attach Set of R Objects to Search Path
assign

Assign a Value to a Name
any

Are Some Values True?
as.environment

Coerce to an Environment Object
as.data.frame

Coerce to a Data Frame
basename

Manipulate File Paths
base-defunct

Defunct Functions in Package base
base-deprecated

Deprecated Functions in Package base
aperm

Array Transposition
.bincode

Bin a Numeric Vector
base-internal

Internal Objects in Package base
base-package

The R Base Package
Foreign-internal

Internal Versions of the Foreign Function Interface
chol2inv

Inverse from Choleski (or QR) Decomposition
cat

Concatenate and Print
class

Object Classes
browserText

Functions to Retrieve Values Supplied by Calls to the Browser
browser

Environment Browser
cbind

Combine R Objects by Rows or Columns
bindenv

Binding and Environment Locking, Active Bindings
bitwise

Bitwise Logical Operations
Random

Random Number Generation
Random.user

User-supplied Random Number Generation
Sys.setFileTime

Set File Time
Sys.setenv

Set or Unset Environment Variables
contributors

R Project Contributors
connections

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

Expand a String with Respect to a Target Table
R.Version

Version Information
abbreviate

Abbreviate Strings
character

Character Vectors
args

Argument List of a Function
array

Multi-way Arrays
callCC

Call With Current Continuation
autoload

On-demand Loading of Packages
backsolve

Solve an Upper or Lower Triangular System
date

System Date and Time
conditions

Condition Handling and Recovery
dcf

Read and Write Data in DCF Format
conflicts

Search for Masked Objects on the Search Path
deparse

Expression Deparsing
data.matrix

Convert a Data Frame to a Numeric Matrix
deparseOpts

Options for Expression Deparsing
capabilities

Report Capabilities of this Build of R
dataframeHelpers

Data Frame Auxiliary Functions
builtins

Returns the Names of All Built-in Objects
body

Access to and Manipulation of the Body of a Function
do.call

Execute a Function Call
bquote

Partial substitution in expressions
dontCheck

Identity Function to Suppress Checking
eapply

Apply a Function Over Values in an Environment
by

Apply a Function to a Data Frame Split by Factors
c

Combine Values into a Vector or List
duplicated

Determine Duplicate Elements
call

Function Calls
dyn.load

Foreign Function Interface
chkDots

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

The Choleski Decomposition
eigen

Spectral Decomposition of a Matrix
file.info

Extract File Information
debug

Debug a Function
delayedAssign

Delay Evaluation
col

Column Indexes
charmatch

Partial String Matching
chartr

Character Translation and Casefolding
dim

Dimensions of an Object
dimnames

Dimnames of an Object
files2

Manipulation of Directories and File Permissions
colSums

Form Row and Column Sums and Means
eval

Evaluate an (Unevaluated) Expression
exists

Is an Object Defined?
row+colnames

Row and Column Names
file.path

Construct Path to File
find.package

Find Packages
getDLLRegisteredRoutines

Reflectance Information for C/Fortran routines in a DLL
comment

Query or Set a "comment" Attribute
copyright

Copyrights of Files Used to Build R
complex

Complex Numbers and Basic Functionality
commandArgs

Extract Command Line Arguments
formatC

Formatting Using C-style Formats
data.class

Object Classes
function

Function Definition
crossprod

Matrix Crossproduct
funprog

Common Higher-Order Functions in Functional Programming Languages
data.frame

Data Frames
file.show

Display One or More Text Files
files

File Manipulation
findInterval

Find Interval Numbers or Indices
diff

Lagged Differences
gc

Garbage Collection
force

Force Evaluation of an Argument
cumsum

Cumulative Sums, Products, and Extremes
difftime

Time Intervals / Differences
dots

…, ..1, etc used in Functions
getLoadedDLLs

Get DLLs Loaded in Current Session
groupGeneric

S3 Group Generic Functions
curlGetHeaders

Retrieve Headers from URLs
cut.POSIXt

Convert a Date or Date-Time Object to a Factor
interaction

Compute Factor Interactions
interactive

Is R Running Interactively?
grouping

Grouping Permutation
double

Double-Precision Vectors
identical

Test Objects for Exact Equality
gc.time

Report Time Spent in Garbage Collection
gctorture

Torture Garbage Collector
expand.grid

Create a Data Frame from All Combinations of Factor Variables
identity

Identity Function
cut

Convert Numeric to Factor
kappa

Compute or Estimate the Condition Number of a Matrix
grep

Pattern Matching and Replacement
grepRaw

Pattern Matching for Raw Vectors
expression

Unevaluated Expressions
extSoftVersion

Report Versions of Third-Party Software
factor

Factors
det

Calculate the Determinant of a Matrix
kronecker

Kronecker Products on Arrays
lapply

Apply a Function over a List or Vector
forceAndCall

Call a function with Some Arguments Forced
lazyLoad

Lazy Load a Database of R Objects
is.function

Is an Object of Type (Primitive) Function?
list2env

From A List, Build or Add To an Environment
formals

Access to and Manipulation of the Formal Arguments
is.language

Is an Object a Language Object?
detach

Detach Objects from the Search Path
.Device

Lists of Open/Active Graphics Devices
dput

Write an Object to a File or Recreate it
drop

Drop Redundant Extent Information
encodeString

Encode Character Vector as for Printing
is.object

Is an Object ‘internally classed’?
isSymmetric

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

Matrix Diagonals
jitter

‘Jitter’ (Add Noise) to Numbers
is.recursive

Is an Object Atomic or Recursive?
get

Return the Value of a Named Object
load

Reload Saved Datasets
levels

Levels Attributes
mat.or.vec

Create a Matrix or a Vector
match.fun

Extract a Function Specified by Name
libPaths

Search Paths for Packages
getCallingDLL

Compute DLL for Native Interface Call
match

Value Matching
list

Lists -- Generic and Dotted Pairs
mean

Arithmetic Mean
environment

Environment Access
droplevels

Drop Unused Levels from Factors
file.access

Ascertain File Accessibility
memCompress

In-memory Compression and Decompression
list.files

List the Files in a Directory/Folder
matmult

Matrix Multiplication
file.choose

Choose a File Interactively
gzcon

(De)compress I/O Through Connections
names

The Names of an Object
noquote

Class for ‘no quote’ Printing of Character Strings
nargs

The Number of Arguments to a Function
hexmode

Display Numbers in Hexadecimal
make.names

Make Syntactically Valid Names
pmatch

Partial String Matching
is.R

Are we using R, rather than S?
make.unique

Make Character Strings Unique
isS4

Test for an S4 object
polyroot

Find Zeros of a Real or Complex Polynomial
memory.profile

Profile the Usage of Cons Cells
dump

Text Representations of R Objects
format.pval

Format P Values
norm

Compute the Norm of a Matrix
formatDL

Format Description Lists
ns-topenv

Top Level Environment
l10n_info

Localization Information
merge

Merge Two Data Frames
prop.table

Express Table Entries as Fraction of Marginal Table
getwd

Get or Set Working Directory
normalizePath

Express File Paths in Canonical Form
numeric

Numeric Vectors
NotYet

Not Yet Implemented Functions and Unused Arguments
labels

Find Labels from Object
library.dynam

Loading DLLs from Packages
ns-hooks

Hooks for Namespace Events
ns-internals

Namespace Internals
pushBack

Push Text Back on to a Connection
license

The R License Terms
print

Print Values
gl

Generate Factor Levels
parse

Parse Expressions
match.arg

Argument Verification Using Partial Matching
match.call

Argument Matching
format

Encode in a Common Format
ifelse

Conditional Element Selection
paste

Concatenate Strings
quit

Terminate an R Session
format.info

format(.) Information
range

Range of Values
regex

Regular Expressions as used in R
regmatches

Extract or Replace Matched Substrings
print.data.frame

Printing Data Frames
mode

The (Storage) Mode of an Object
remove

Remove Objects from a Specified Environment
integer

Integer Vectors
readChar

Transfer Character Strings To and From Connections
round.POSIXt

Round / Truncate Data-Time Objects
getNativeSymbolInfo

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

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

Generate Regular Sequences of Dates
readLines

Read Text Lines from a Connection
rev

Reverse Elements
seq.POSIXt

Generate Regular Sequences of Times
rle

Run Length Encoding
gettext

Translate Text Messages
is.single

Is an Object of Single Precision Type?
sQuote

Quote Text
is.unsorted

Test if an Object is Not Sorted
row

Row Indexes
iconv

Convert Character Vector between Encodings
row.names

Get and Set Row Names for Data Frames
icuSetCollate

Setup Collation by ICU
libcurlVersion

Report Version of libcurl
invisible

Change the Print Mode to Invisible
is.finite

Finite, Infinite and NaN Numbers
name

Names and Symbols
library

Loading/Attaching and Listing of Packages
length

Length of an Object
lengths

Lengths of List or Vector Elements
search

Give Search Path for R Objects
sprintf

Use C-style String Formatting Commands
seq

Sequence Generation
locales

Query or Set Aspects of the Locale
logical

Logical Vectors
on.exit

Function Exit Code
srcfile

References to Source Files and Code
seek

Functions to Reposition Connections
sequence

Create A Vector of Sequences
mapply

Apply a Function to Multiple List or Vector Arguments
lower.tri

Lower and Upper Triangular Part of a Matrix
options

Options Settings
sys.parent

Functions to Access the Function Call Stack
split

Divide into Groups and Reassemble
strwrap

Wrap Character Strings to Format Paragraphs
source

Read R Code from a File, a Connection or Expressions
writeLines

Write Lines to a Connection
margin.table

Compute table margin
ls

List Objects
matrix

Matrices
subset

Subsetting Vectors, Matrices and Data Frames
weekdays

Extract Parts of a POSIXt or Date Object
switch

Select One of a List of Alternatives
message

Diagnostic Messages
xtfrm

Auxiliary Function for Sorting and Ranking
nrow

The Number of Rows/Columns of an Array
maxCol

Find Maximum Position in Matrix
system.file

Find Names of R System Files
system.time

CPU Time Used
tempfile

Create Names for Temporary Files
missing

Does a Formal Argument have a Value?
nchar

Count the Number of Characters (or Bytes or Width)
solve

Solve a System of Equations
sort

Sorting or Ordering Vectors
textConnection

Text Connections
unlist

Flatten Lists
nlevels

The Number of Levels of a Factor
ns-dblcolon

Double Colon and Triple Colon Operators
numeric_version

Numeric Versions
ns-load

Loading and Unloading Name Spaces
ns-reflect.Rd

Namespace Reflection Support
traceback

Get and Print Call Stacks
pos.to.env

Convert Positions in the Search Path to Environments
tracemem

Trace Copying of Objects
octmode

Display Numbers in Octal
unname

Remove names or dimnames
path.expand

Expand File Paths
userhooks

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

Report Configuration Options for PCRE
pretty

Pretty Breakpoints
order

Ordering Permutation
outer

Outer Product of Arrays
qr

The QR Decomposition of a Matrix
QR.Auxiliaries

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

Default Printing
proc.time

Running Time of R
utf8Conversion

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

Print Matrices, Old-style
rawConversion

Convert to or from Raw Vectors
readBin

Transfer Binary Data To and From Connections
raw

Raw Vectors
rawConnection

Raw Connections
prod

Product of Vector Elements
readRDS

Serialization Interface for Single Objects
which

Which indices are TRUE?
rep

Replicate Elements of Vectors and Lists
replace

Replace Values in a Vector
readRenviron

Set Environment Variables from a File
rank

Sample Ranks
zutils

Miscellaneous Internal/Programming Utilities
sample

Random Samples and Permutations
rapply

Recursively Apply a Function to a List
save

Save R Objects
readline

Read a Line from the Terminal
stop

Stop Function Execution
reg.finalizer

Finalization of Objects
stopifnot

Ensure the Truth of R Expressions
scale

Scaling and Centering of Matrix-like Objects
sets

Set Operations
sink

Send R Output to a File
scan

Read Data Values
shQuote

Quote Strings for Use in OS Shells
slice.index

Slice Indexes in an Array
strsplit

Split the Elements of a Character Vector
serialize

Simple Serialization Interface
sum

Sum of Vector Elements
setTimeLimit

Set CPU and/or Elapsed Time Limits
strptime

Date-time Conversion Functions to and from Character
summary

Object Summaries
system2

Invoke a System Command
slotOp

Extract or Replace A Slot
tabulate

Tabulation for Vectors
table

Cross Tabulation and Table Creation
showConnections

Display Connections
sign

Sign Function
socketSelect

Wait on Socket Connections
standardGeneric

Formal Method System -- Dispatching S4 Methods
trace

Interactive Tracing and Debugging of Calls to a Function or Method
unique

Extract Unique Elements
startsWith

Does String Start or End With Another String?
warnings

Print Warning Messages
zapsmall

Rounding of Numbers: Zapping Small Ones to Zero
tilde

Tilde Operator
.Machine

Numerical Characteristics of the Machine
tapply

Apply a Function Over a Ragged Array
substitute

Substituting and Quoting Expressions
timezones

Time Zones
substr

Substrings of a Character Vector
unlink

Delete Files and Directories
zpackages

Listing of Packages
taskCallback

Add or Remove a Top-Level Task Callback
system

Invoke a System Command
svd

Singular Value Decomposition of a Matrix
structure

Attribute Specification
warning

Warning Messages
strtrim

Trim Character Strings to Specified Display Widths
strtoi

Convert Strings to Integers
toString

Convert an R Object to a Character String
try

Try an Expression Allowing Error Recovery
trimws

Remove Leading/Trailing Whitespace
sys.source

Parse and Evaluate Expressions from a File
withVisible

Return both a Value and its Visibility
write

Write Data to a File
strrep

Repeat the Elements of a Character Vector
validUTF8

Check if a Character Vector is Validly Encoded
transform

Transform an Object, for Example a Data Frame
typeof

The Type of an Object
sweep

Sweep out Array Summaries
.Script

Scripting Language Interface
which.min

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

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

Matrix Transpose
taskCallbackManager

Create an R-level Task Callback Manager
vector

Vectors
with

Evaluate an Expression in a Data Environment
Comparison

Relational Operators
Deprecated

Marking Objects as Deprecated