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base (version 3.2.5)

The R Base Package

Description

Base R functions.

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Version

Version

3.2.5

License

Part of R 3.2.5

Maintainer

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

Last Published

December 12th, 2019

Functions in base (3.2.5)

all.names

Find All Names in an Expression
aperm

Array Transposition
all.equal

Test if Two Objects are (Nearly) Equal
apply

Apply Functions Over Array Margins
abbreviate

Abbreviate Strings
any

Are Some Values True?
all

Are All Values True?
append

Vector Merging
args

Argument List of a Function
agrep

Approximate String Matching (Fuzzy Matching)
assign

Assign a Value to a Name
as.data.frame

Coerce to a Data Frame
as.Date

Date Conversion Functions to and from Character
as.function

Convert Object to Function
as.environment

Coerce to an Environment Object
array

Multi-way Arrays
assignOps

Assignment Operators
as.POSIX*

Date-time Conversion Functions
AsIs

Inhibit Interpretation/Conversion of Objects
Arithmetic

Arithmetic Operators
attributes

Object Attribute Lists
backsolve

Solve an Upper or Lower Triangular System
autoload

On-demand Loading of Packages
base-package

The R Base Package
base-internal

Internal Objects in Package base
base-deprecated

Deprecated Functions in Package base
basename

Manipulate File Paths
attach

Attach Set of R Objects to Search Path
attr

Object Attributes
base-defunct

Defunct Functions in Package base
Bessel

Bessel Functions
bindenv

Binding and Environment Locking, Active Bindings
by

Apply a Function to a Data Frame Split by Factors
bitwise

Bitwise Logical Operations
builtins

Returns the Names of All Built-in Objects
browserText

Functions to Retrieve Values Supplied by Calls to the Browser
.bincode

Bin a Numeric Vector
bquote

Partial substitution in expressions
body

Access to and Manipulation of the Body of a Function
browser

Environment Browser
c

Combine Values into a Vector or List
character

Character Vectors
capabilities

Report Capabilities of this Build of R
cbind

Combine R Objects by Rows or Columns
callCC

Call With Current Continuation
cat

Concatenate and Print
char.expand

Expand a String with Respect to a Target Table
call

Function Calls
CallExternal

Modern Interfaces to C/C++ code
charmatch

Partial String Matching
Colon

Colon Operator
colSums

Form Row and Column Sums and Means
row+colnames

Row and Column Names
commandArgs

Extract Command Line Arguments
chol2inv

Inverse from Choleski (or QR) Decomposition
chartr

Character Translation and Casefolding
comment

Query or Set a "comment" Attribute
chol

The Choleski Decomposition
class

Object Classes
col

Column Indexes
copyright

Copyrights of Files Used to Build R
crossprod

Matrix Crossproduct
conflicts

Search for Masked Objects on the Search Path
conditions

Condition Handling and Recovery
Comparison

Relational Operators
Constants

Built-in Constants
connections

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

Control Flow
contributors

R Project Contributors
complex

Complex Vectors
cut

Convert Numeric to Factor
cut.POSIXt

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

Data Frame Auxiliary Functions
data.matrix

Convert a Data Frame to a Numeric Matrix
Dates

Date Class
date

System Date and Time
droplevels

droplevels
double

Double-Precision Vectors
dontCheck

Identity Function to Suppress Checking
dump

Text Representations of R Objects
data.class

Object Classes
delayedAssign

Delay Evaluation
data.frame

Data Frames
deparse

Expression Deparsing
diag

Matrix Diagonals
.Device

Lists of Open/Active Graphics Devices
expand.grid

Create a Data Frame from All Combinations of Factors
dyn.load

Foreign Function Interface
duplicated

Determine Duplicate Elements
expression

Unevaluated Expressions
Cstack_info

Report Information on C Stack Size and Usage
cumsum

Cumulative Sums, Products, and Extremes
Deprecated

Marking Objects as Deprecated
deparseOpts

Options for Expression Deparsing
diff

Lagged Differences
difftime

Time Intervals
Extract

Extract or Replace Parts of an Object
eapply

Apply a Function Over Values in an Environment
eigen

Spectral Decomposition of a Matrix
Extremes

Maxima and Minima
dim

Dimensions of an Object
do.call

Execute a Function Call
encodeString

Encode Character Vector as for Printing
Encoding

Read or Set the Declared Encodings for a Character Vector
Extract.data.frame

Extract or Replace Parts of a Data Frame
Extract.factor

Extract or Replace Parts of a Factor
Foreign-internal

Internal Versions of the Foreign Function Interface
forceAndCall

Call a function with Some Arguments Forced
get

Return the Value of a Named Object
extSoftVersion

Report Versions of Third-Party Software
getCallingDLL

Compute DLL for Native Interface Call
factor

Factors
gzcon

(De)compress I/O Through Connections
jitter

‘Jitter’ (Add Noise) to Numbers
ISOdatetime

Date-time Conversion Functions from Numeric Representations
is.R

Are we using R, rather than S?
hexmode

Display Numbers in Hexadecimal
kappa

Compute or Estimate the Condition Number of a Matrix
list2env

From A List, Build or Add To an Environment
libcurlVersion

Report Version of libcurl
curlGetHeaders

Retrieve Headers from URLs
debug

Debug a Function
dput

Write an Object to a File or Recreate it
Defunct

Marking Objects as Defunct
drop

Drop Redundant Extent Information
environment

Environment Access
file.access

Ascertain File Accessibility
EnvVar

Environment Variables
file.choose

Choose a File Interactively
groupGeneric

S3 Group Generic Functions
grepRaw

Pattern Matching for Raw Vectors
ifelse

Conditional Element Selection
identity

Identity Function
is.recursive

Is an Object Atomic or Recursive?
is.single

Is an Object of Single Precision Type?
DateTimeClasses

Date-Time Classes
detach

Detach Objects from the Search Path
det

Calculate the Determinant of a Matrix
dcf

Read and Write Data in DCF Format
exists

Is an Object Defined?
eval

Evaluate an (Unevaluated) Expression
files2

Manipulaton of Directories and File Permissions
find.package

Find Packages
formals

Access to and Manipulation of the Formal Arguments
Foreign

Foreign Function Interface
gc.time

Report Time Spent in Garbage Collection
gctorture

Torture Garbage Collector
grep

Pattern Matching and Replacement
gl

Generate Factor Levels
integer

Integer Vectors
interaction

Compute Factor Interactions
lazyLoad

Lazy Load a Database of R Objects
length

Length of an Object
library

Loading/Attaching and Listing of Packages
license

The R License Terms
Logic

Logical Operators
matrix

Matrices
logical

Logical Vectors
maxCol

Find Maximum Position in Matrix
noquote

Class for ‘no quote’ Printing of Character Strings
norm

Compute the Norm of a Matrix
numeric_version

Numeric Versions
numeric

Numeric Vectors
pmatch

Partial String Matching
Quotes

Quotes
polyroot

Find Zeros of a Real or Complex Polynomial
readBin

Transfer Binary Data To and From Connections
RdUtils

Utilities for Processing Rd Files
Random.user

User-supplied Random Number Generation
Recall

Recursive Calling
readRenviron

Set Environment Variables from a File
file.show

Display One or More Text Files
files

File Manipulation
formatDL

Format Description Lists
force

Force Evaluation of an Argument
findInterval

Find Interval Numbers or Indices
gettext

Translate Text Messages
function

Function Definition
InternalMethods

Internal Generic Functions
getwd

Get or Set Working Directory
sample

Random Samples and Permutations
save

Save R Objects
substitute

Substituting and Quoting Expressions
sets

Set Operations
serialize

Simple Serialization Interface
substr

Substrings of a Character Vector
Syntax

Operator Syntax and Precedence
Sys.getenv

Get Environment Variables
formatC

Formatting Using C-style Formats
format.pval

Format P Values
getDLLRegisteredRoutines

Reflectance Information for C/Fortran routines in a DLL
Internal

Call an Internal Function
Hyperbolic

Hyperbolic Functions
getNativeSymbolInfo

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

Convert Character Vector between Encodings
interactive

Is R Running Interactively?
is.function

Is an Object of Type (Primitive) Function?
is.finite

Finite, Infinite and NaN Numbers
load

Reload Saved Datasets
lower.tri

Lower and Upper Triangular Part of a Matrix
LongVectors

Long Vectors
match.call

Argument Matching
match.arg

Argument Verification Using Partial Matching
ns-dblcolon

Double Colon and Triple Colon Operators
nrow

The Number of Rows/Columns of an Array
memCompress

In-memory Compression and Decompression
mean

Arithmetic Mean
is.language

Is an Object a Language Object?
invisible

Change the Print Mode to Invisible
NumericConstants

Numeric Constants
is.object

Is an Object ‘internally classed’?
list.files

List the Files in a Directory/Folder
list

Lists -- Generic and Dotted Pairs
ls

List Objects
margin.table

Compute table margin
make.names

Make Syntactically Valid Names
memory.profile

Profile the Usage of Cons Cells
mat.or.vec

Create a Matrix or a Vector
merge

Merge Two Data Frames
names

The Names of an Object
nargs

The Number of Arguments to a Function
paste

Concatenate Strings
row

Row Indexes
round.POSIXt

Round / Truncate Data-Time Objects
path.expand

Expand File Paths
slice.index

Slice Indexes in an Array
sink

Send R Output to a File
strsplit

Split the Elements of a Character Vector
La_version

LAPACK Version
labels

Find Labels from Object
lengths

Lengths of List or Vector Elements
levels

Levels Attributes
mapply

Apply a Function to Multiple List or Vector Arguments
make.unique

Make Character Strings Unique
match

Value Matching
match.fun

Extract a Function Specified by Name
missing

Does a Formal Argument have a Value?
message

Diagnostic Messages
file.info

Extract File Information
format.info

format(.) Information
file.path

Construct Path to File
format

Encode in a Common Format
funprog

Common Higher-Order Functions in Functional Programming Languages
gc

Garbage Collection
identical

Test Objects for Exact Equality
icuSetCollate

Setup Collation by ICU
isSymmetric

Test if a Matrix or other Object is Symmetric
isS4

Test for an S4 object
octmode

Display Numbers in Octal
order

Ordering Permutation
outer

Outer Product of Arrays
print.default

Default Printing
print

Print Values
qr

The QR Decomposition of a Matrix
pushBack

Push Text Back on to a Connection
readChar

Transfer Character Strings To and From Connections
readline

Read a Line from the Terminal
Reserved

Reserved Words in R
lapply

Apply a Function over a List or Vector
Last.value

Value of Last Evaluated Expression
locales

Query or Set Aspects of the Locale
log

Logarithms and Exponentials
MathFun

Miscellaneous Mathematical Functions
matmult

Matrix Multiplication
ns-topenv

Top Level Environment
Memory

Memory Available for Data Storage
Memory-limits

Memory Limits in R
Sys.info

Extract System and User Information
NULL

The Null Object
strtoi

Convert Strings to Integers
Sys.localeconv

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

Create Names for Temporary Files
traceback

Print Call Stacks
tracemem

Trace Copying of Objects
textConnection

Text Connections
which

Which indices are TRUE?
warning

Warning Messages
R.Version

Version Information
on.exit

Function Exit Code
Ops.Date

Operators on the Date Class
Primitive

Look Up a Primitive Function
print.data.frame

Printing Data Frames
Random

Random Number Generation
rank

Sample Ranks
range

Range of Values
rapply

Recursively Apply a Function to a List
rle

Run Length Encoding
Rhome

Return the R Home Directory
l10n_info

Localization Information
kronecker

Kronecker Products on Arrays
libPaths

Search Paths for Packages
mode

The (Storage) Mode of an Object
library.dynam

Loading DLLs from Packages
NotYet

Not Yet Implemented Functions and Unused Arguments
normalizePath

Express File Paths in Canonical Form
name

Names and Symbols
system2

Invoke a System Command
t

Matrix Transpose
ns-reflect.Rd

Namespace Reflection Support
ns-load

Loading and Unloading Name Spaces
toString

Convert an R Object to a Character String
trace

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

Delete Files and Directories
with

Evaluate an Expression in a Data Environment
unlist

Flatten Lists
nchar

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

Return both a value and its visibility
ns-hooks

Hooks for Namespace Events
nlevels

The Number of Levels of a Factor
ns-internals

Namespace Internals
pcre_config

Report Configuration Options for PCRE
.Platform

Platform Specific Variables
prod

Product of Vector Elements
proc.time

Running Time of R
prmatrix

Print Matrices, Old-style
prop.table

Express Table Entries as Fraction of Marginal Table
raw

Raw Vectors
reg.finalizer

Finalization of Objects
rawConnection

Raw Connections
regmatches

Extract or Replace Matched Substrings
scale

Scaling and Centering of Matrix-like Objects
scan

Read Data Values
search

Give Search Path for R Objects
seek

Functions to Reposition Connections
remove

Remove Objects from a Specified Environment
rev

Reverse Elements
source

Read R Code from a File or a Connection
Round

Rounding of Numbers
sequence

Create A Vector of Sequences
seq.POSIXt

Generate Regular Sequences of Times
slotOp

Extract or Replace A Slot
sQuote

Quote Text
socketSelect

Wait on Socket Connections
seq.Date

Generate Regular Sequences of Dates
row.names

Get and Set Row Names for Data Frames
srcfile

References to source files
strtrim

Trim Character Strings to Specified Display Widths
solve

Solve a System of Equations
rowsum

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

Sorting or Ordering Vectors
seq

Sequence Generation
stopifnot

Ensure the Truth of R Expressions
stop

Stop Function Execution
Special

Special Functions of Mathematics
sum

Sum of Vector Elements
split

Divide into Groups and Reassemble
summary

Object Summaries
sprintf

Use C-style String Formatting Commands
switch

Select One of a List of Alternatives
sweep

Sweep out Array Summaries
sys.parent

Functions to Access the Function Call Stack
sys.source

Parse and Evaluate Expressions from a File
Sys.readlink

Read File Symbolic Links
Sys.sleep

Suspend Execution for a Time Interval
Sys.setenv

Set or Unset Environment Variables
transform

Transform an Object, for Example a Data Frame
structure

Attribute Specification
table

Cross Tabulation and Table Creation
Sys.setFileTime

Set File Time
tabulate

Tabulation for Vectors
tilde

Tilde Operator
timezones

Time Zones
vector

Vectors
.Script

Scripting Language Interface
Vectorize

Vectorize a Scalar Function
Sys.glob

Wildcard Expansion on File Paths
Sys.getpid

Get the Process ID of the R Session
Sys.time

Get Current Date and Time
Sys.which

Find Full Paths to Executables
taskCallbackManager

Create an R-level Task Callback Manager
taskCallbackNames

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

The Type of an Object
unique

Extract Unique Elements
utf8Conversion

Convert Integer Vectors to or from UTF-8-encoded Character Vectors
which.min

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

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

Print Warning Messages
Trig

Trigonometric Functions
zutils

Miscellaneous Internal/Programming Utilities
weekdays

Extract Parts of a POSIXt or Date Object
write

Write Data to a File
pos.to.env

Convert Positions in the Search Path to Environments
Paren

Parentheses and Braces
parse

Parse Expressions
writeLines

Write Lines to a Connection
pretty

Pretty Breakpoints
readLines

Read Text Lines from a Connection
QR.Auxiliaries

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

Terminate an R Session
rep

Replicate Elements of Vectors and Lists
readRDS

Serialization Interface for Single Objects
replace

Replace Values in a Vector
setTimeLimit

Set CPU and/or Elapsed Time Limits
showConnections

Display Connections
shQuote

Quote Strings for Use in OS Shells
Startup

Initialization at Start of an R Session
sign

Sign Function
standardGeneric

Formal Method System -- Dispatching S4 Methods
strwrap

Wrap Character Strings to Format Paragraphs
system.file

Find Names of R System Files
subset

Subsetting Vectors, Matrices and Data Frames
tapply

Apply a Function Over a Ragged Array
.Machine

Numerical Characteristics of the Machine
system.time

CPU Time Used
zpackages

Listing of Packages
taskCallback

Add or Remove a Top-Level Task Callback
try

Try an Expression Allowing Error Recovery
trimws

Remove Leading/Trailing Whitespace
unname

Remove names or dimnames
UseMethod

Class Methods
xtfrm

Auxiliary Function for Sorting and Ranking
zapsmall

Rounding of Numbers