Colon |
Colon Operator |
Comparison |
Relational Operators |
Constants |
Built-in Constants |
Control |
Control Flow |
Arithmetic |
Arithmetic Operators |
AsIs |
Inhibit Interpretation/Conversion of Objects |
Cstack_info |
Report Information on C Stack Size and Usage |
DateTimeClasses |
Date-Time Classes |
Bessel |
Bessel Functions |
CallExternal |
Modern Interfaces to C/C++ code |
Deprecated |
Marking Objects as Deprecated |
Extract.data.frame |
Extract or Replace Parts of a Data Frame |
Dates |
Date Class |
Defunct |
Marking Objects as Defunct |
Foreign |
Foreign Function Interface |
Hyperbolic |
Hyperbolic Functions |
Encoding |
Read or Set the Declared Encodings for a Character Vector |
InternalMethods |
Internal Generic Functions |
La_library |
LAPACK Library |
LongVectors |
Long Vectors |
Extremes |
Maxima and Minima |
Foreign-internal |
Internal Versions of the Foreign Function Interface |
La_version |
LAPACK Version |
Last.value |
Value of Last Evaluated Expression |
NA |
‘Not Available’ / Missing Values |
NULL |
The Null Object |
Reserved |
Reserved Words in R |
Rhome |
Return the R Home Directory |
Paren |
Parentheses and Braces |
.Platform |
Platform Specific Variables |
RdUtils |
Utilities for Processing Rd Files |
Recall |
Recursive Calling |
Sys.glob |
Wildcard Expansion on File Paths |
Sys.info |
Extract System and User Information |
R.Version |
Version Information |
abbreviate |
Abbreviate Strings |
Sys.getenv |
Get Environment Variables |
Sys.getpid |
Get the Process ID of the R Session |
Sys.which |
Find Full Paths to Executables |
MathFun |
Miscellaneous Mathematical Functions |
Random.user |
User-supplied Random Number Generation |
Random |
Random Number Generation |
Sys.setFileTime |
Set File Time |
Extract.factor |
Extract or Replace Parts of a Factor |
ISOdatetime |
Date-time Conversion Functions from Numeric Representations |
Internal |
Call an Internal Function |
NumericConstants |
Numeric Constants |
Trig |
Trigonometric Functions |
Ops.Date |
Operators on the Date Class |
Round |
Rounding of Numbers |
Special |
Special Functions of Mathematics |
Startup |
Initialization at Start of an R Session |
Syntax |
Operator Syntax and Precedence |
UseMethod |
Class Methods |
Vectorize |
Vectorize a Scalar Function |
all.equal |
Test if Two Objects are (Nearly) Equal |
all.names |
Find All Names in an Expression |
autoload |
On-demand Loading of Packages |
backsolve |
Solve an Upper or Lower Triangular System |
append |
Vector Merging |
apply |
Apply Functions Over Array Margins |
as.data.frame |
Coerce to a Data Frame |
as.environment |
Coerce to an Environment Object |
EnvVar |
Environment Variables |
Extract |
Extract or Replace Parts of an Object |
log |
Logarithms and Exponentials |
Logic |
Logical Operators |
Sys.setenv |
Set or Unset Environment Variables |
agrep |
Approximate String Matching (Fuzzy Matching) |
all |
Are All Values True? |
args |
Argument List of a Function |
basename |
Manipulate File Paths |
.bincode |
Bin a Numeric Vector |
browser |
Environment Browser |
browserText |
Functions to Retrieve Values Supplied by Calls to the Browser |
base-internal |
Internal Objects in Package base |
base-package |
The R Base Package |
builtins |
Returns the Names of All Built-in Objects |
by |
Apply a Function to a Data Frame Split by Factors |
charmatch |
Partial String Matching |
chartr |
Character Translation and Casefolding |
conditions |
Condition Handling and Recovery |
array |
Multi-way Arrays |
attr |
Object Attributes |
attributes |
Object Attribute Lists |
base-defunct |
Defunct Functions in Package base |
conflicts |
Search for Masked Objects on the Search Path |
data.class |
Object Classes |
data.frame |
Data Frames |
debug |
Debug a Function |
Memory-limits |
Memory Limits in R |
Memory |
Memory Available for Data Storage |
Primitive |
Look Up a Primitive Function |
Quotes |
Quotes |
base-deprecated |
Deprecated Functions in Package base |
callCC |
Call With Current Continuation |
capabilities |
Report Capabilities of this Build of R |
col |
Column Indexes |
colSums |
Form Row and Column Sums and Means |
connections |
Functions to Manipulate Connections (Files, URLs, ...) |
contributors |
R Project Contributors |
date |
System Date and Time |
delayedAssign |
Delay Evaluation |
double |
Double-Precision Vectors |
dput |
Write an Object to a File or Recreate it |
dyn.load |
Foreign Function Interface |
eapply |
Apply a Function Over Values in an Environment |
files |
File Manipulation |
files2 |
Manipulaton of Directories and File Permissions |
force |
Force Evaluation of an Argument |
as.Date |
Date Conversion Functions to and from Character |
as.POSIX* |
Date-time Conversion Functions |
as.function |
Convert Object to Function |
dcf |
Read and Write Data in DCF Format |
.Device |
Lists of Open/Active Graphics Devices |
diag |
Matrix Diagonals |
Sys.localeconv |
Find Details of the Numerical and Monetary Representations
in the Current Locale |
Sys.readlink |
Read File Symbolic Links |
Sys.sleep |
Suspend Execution for a Time Interval |
Sys.time |
Get Current Date and Time |
chol2inv |
Inverse from Choleski (or QR) Decomposition |
class |
Object Classes |
row+colnames |
Row and Column Names |
commandArgs |
Extract Command Line Arguments |
any |
Are Some Values True? |
aperm |
Array Transposition |
assignOps |
Assignment Operators |
attach |
Attach Set of R Objects to Search Path |
cut.POSIXt |
Convert a Date or Date-Time Object to a Factor |
cut |
Convert Numeric to Factor |
deparse |
Expression Deparsing |
deparseOpts |
Options for Expression Deparsing |
drop |
Drop Redundant Extent Information |
droplevels |
Drop Unused Levels from Factors |
expression |
Unevaluated Expressions |
extSoftVersion |
Report Versions of Third-Party Software |
assign |
Assign a Value to a Name |
bindenv |
Binding and Environment Locking, Active Bindings |
bitwise |
Bitwise Logical Operations |
cbind |
Combine R Objects by Rows or Columns |
chkDots |
Warn About Extraneous Arguments in the "..." of Its Caller |
chol |
The Choleski Decomposition |
copyright |
Copyrights of Files Used to Build R |
file.choose |
Choose a File Interactively |
file.info |
Extract File Information |
formals |
Access to and Manipulation of the Formal Arguments |
format |
Encode in a Common Format |
cat |
Concatenate and Print |
getCallingDLL |
Compute DLL for Native Interface Call |
getDLLRegisteredRoutines |
Reflectance Information for C/Fortran routines in a DLL |
hexmode |
Display Numbers in Hexadecimal |
iconv |
Convert Character Vector between Encodings |
do.call |
Execute a Function Call |
dontCheck |
Identity Function to Suppress Checking |
environment |
Environment Access |
eval |
Evaluate an (Unevaluated) Expression |
forceAndCall |
Call a function with Some Arguments Forced |
gc |
Garbage Collection |
gc.time |
Report Time Spent in Garbage Collection |
icuSetCollate |
Setup Collation by ICU |
body |
Access to and Manipulation of the Body of a Function |
bquote |
Partial substitution in expressions |
c |
Combine Values into a Vector or List |
call |
Function Calls |
identical |
Test Objects for Exact Equality |
identity |
Identity Function |
ifelse |
Conditional Element Selection |
jitter |
‘Jitter’ (Add Noise) to Numbers |
is.finite |
Finite, Infinite and NaN Numbers |
is.function |
Is an Object of Type (Primitive) Function? |
is.unsorted |
Test if an Object is Not Sorted |
is.R |
Are we using R, rather than S? |
file.path |
Construct Path to File |
file.show |
Display One or More Text Files |
format.info |
format(.) Information |
format.pval |
Format P Values |
kappa |
Compute or Estimate the Condition Number of a Matrix |
labels |
Find Labels from Object |
lapply |
Apply a Function over a List or Vector |
libPaths |
Search Paths for Packages |
libcurlVersion |
Report Version of libcurl |
logical |
Logical Vectors |
lower.tri |
Lower and Upper Triangular Part of a Matrix |
char.expand |
Expand a String with Respect to a Target Table |
character |
Character Vectors |
comment |
Query or Set a "comment" Attribute |
complex |
Complex Numbers and Basic Functionality |
crossprod |
Matrix Crossproduct |
data.matrix |
Convert a Data Frame to a Numeric Matrix |
dataframeHelpers |
Data Frame Auxiliary Functions |
diff |
Lagged Differences |
getLoadedDLLs |
Get DLLs Loaded in Current Session |
getNativeSymbolInfo |
Obtain a Description of one or more Native (C/Fortran) Symbols |
grouping |
Grouping Permutation |
cumsum |
Cumulative Sums, Products, and Extremes |
curlGetHeaders |
Retrieve Headers from URLs |
det |
Calculate the Determinant of a Matrix |
match |
Value Matching |
match.arg |
Argument Verification Using Partial Matching |
maxCol |
Find Maximum Position in Matrix |
mean |
Arithmetic Mean |
NotYet |
Not Yet Implemented Functions and Unused Arguments |
nrow |
The Number of Rows/Columns of an Array |
options |
Options Settings |
license |
The R License Terms |
list |
Lists -- Generic and Dotted Pairs |
make.unique |
Make Character Strings Unique |
mapply |
Apply a Function to Multiple List or Vector Arguments |
detach |
Detach Objects from the Search Path |
dim |
Dimensions of an Object |
dimnames |
Dimnames of an Object |
exists |
Is an Object Defined? |
expand.grid |
Create a Data Frame from All Combinations of Factor Variables |
factor |
Factors |
file.access |
Ascertain File Accessibility |
function |
Function Definition |
funprog |
Common Higher-Order Functions in Functional Programming Languages |
gettext |
Translate Text Messages |
getwd |
Get or Set Working Directory |
grepRaw |
Pattern Matching for Raw Vectors |
groupGeneric |
S3 Group Generic Functions |
integer |
Integer Vectors |
interaction |
Compute Factor Interactions |
is.recursive |
Is an Object Atomic or Recursive? |
order |
Ordering Permutation |
pcre_config |
Report Configuration Options for PCRE |
pmatch |
Partial String Matching |
prmatrix |
Print Matrices, Old-style |
proc.time |
Running Time of R |
range |
Range of Values |
rank |
Sample Ranks |
replace |
Replace Values in a Vector |
is.single |
Is an Object of Single Precision Type? |
lazyLoad |
Lazy Load a Database of R Objects |
length |
Length of an Object |
list.files |
List the Files in a Directory/Folder |
gzcon |
(De)compress I/O Through Connections |
interactive |
Is R Running Interactively? |
invisible |
Change the Print Mode to Invisible |
rev |
Reverse Elements |
row.names |
Get and Set Row Names for Data Frames |
rowsum |
Give Column Sums of a Matrix or Data Frame, Based on a Grouping Variable |
setTimeLimit |
Set CPU and/or Elapsed Time Limits |
list2env |
From A List, Build or Add To an Environment |
margin.table |
Compute table margin |
mat.or.vec |
Create a Matrix or a Vector |
missing |
Does a Formal Argument have a Value? |
kronecker |
Kronecker Products on Arrays |
difftime |
Time Intervals / Differences |
dump |
Text Representations of R Objects |
duplicated |
Determine Duplicate Elements |
eigen |
Spectral Decomposition of a Matrix |
mode |
The (Storage) Mode of an Object |
nlevels |
The Number of Levels of a Factor |
noquote |
Class for ‘no quote’ Printing of Character Strings |
ns-internals |
Namespace Internals |
encodeString |
Encode Character Vector as for Printing |
find.package |
Find Packages |
findInterval |
Find Interval Numbers or Indices |
formatDL |
Format Description Lists |
l10n_info |
Localization Information |
library |
Loading/Attaching and Listing of Packages |
library.dynam |
Loading DLLs from Packages |
name |
Names and Symbols |
names |
The Names of an Object |
nargs |
The Number of Arguments to a Function |
load |
Reload Saved Datasets |
locales |
Query or Set Aspects of the Locale |
match.call |
Argument Matching |
ns-load |
Loading and Unloading Name Spaces |
paste |
Concatenate Strings |
path.expand |
Expand File Paths |
QR.Auxiliaries |
Reconstruct the Q, R, or X Matrices from a QR Object |
quit |
Terminate an R Session |
readLines |
Read Text Lines from a Connection |
readRDS |
Serialization Interface for Single Objects |
regmatches |
Extract or Replace Matched Substrings |
nchar |
Count the Number of Characters (or Bytes or Width) |
ns-reflect.Rd |
Namespace Reflection Support |
ns-topenv |
Top Level Environment |
outer |
Outer Product of Arrays |
match.fun |
Extract a Function Specified by Name |
memCompress |
In-memory Compression and Decompression |
memory.profile |
Profile the Usage of Cons Cells |
norm |
Compute the Norm of a Matrix |
normalizePath |
Express File Paths in Canonical Form |
numeric |
Numeric Vectors |
numeric_version |
Numeric Versions |
pretty |
Pretty Breakpoints |
print |
Print Values |
prod |
Product of Vector Elements |
formatC |
Formatting Using C-style Formats |
gctorture |
Torture Garbage Collector |
get |
Return the Value of a Named Object |
gl |
Generate Factor Levels |
prop.table |
Express Table Entries as Fraction of Marginal Table |
readBin |
Transfer Binary Data To and From Connections |
readChar |
Transfer Character Strings To and From Connections |
readRenviron |
Set Environment Variables from a File |
grep |
Pattern Matching and Replacement |
is.language |
Is an Object a Language Object? |
is.object |
Is an Object ‘internally classed’? |
isS4 |
Test for an S4 object |
parse |
Parse Expressions |
print.data.frame |
Printing Data Frames |
print.default |
Default Printing |
rapply |
Recursively Apply a Function to a List |
raw |
Raw Vectors |
reg.finalizer |
Finalization of Objects |
regex |
Regular Expressions as used in R |
sQuote |
Quote Text |
sets |
Set Operations |
sort |
Sorting or Ordering Vectors |
source |
Read R Code from a File, a Connection or Expressions |
srcfile |
References to Source Files and Code |
sample |
Random Samples and Permutations |
seek |
Functions to Reposition Connections |
seq.Date |
Generate Regular Sequences of Dates |
rep |
Replicate Elements of Vectors and Lists |
save |
Save R Objects |
scale |
Scaling and Centering of Matrix-like Objects |
shQuote |
Quote Strings for Use in OS Shells |
isSymmetric |
Test if a Matrix or other Object is Symmetric (Hermitian) |
lengths |
Lengths of List or Vector Elements |
levels |
Levels Attributes |
ls |
List Objects |
make.names |
Make Syntactically Valid Names |
matmult |
Matrix Multiplication |
matrix |
Matrices |
merge |
Merge Two Data Frames |
standardGeneric |
Formal Method System -- Dispatching S4 Methods |
substr |
Substrings of a Character Vector |
sum |
Sum of Vector Elements |
system |
Invoke a System Command |
message |
Diagnostic Messages |
ns-dblcolon |
Double Colon and Triple Colon Operators |
ns-hooks |
Hooks for Namespace Events |
octmode |
Display Numbers in Octal |
split |
Divide into Groups and Reassemble |
strrep |
Repeat the Elements of a Character Vector |
strsplit |
Split the Elements of a Character Vector |
showConnections |
Display Connections |
socketSelect |
Wait on Socket Connections |
solve |
Solve a System of Equations |
startsWith |
Does String Start or End With Another String? |
stop |
Stop Function Execution |
structure |
Attribute Specification |
strwrap |
Wrap Character Strings to Format Paragraphs |
sprintf |
Use C-style String Formatting Commands |
readline |
Read a Line from the Terminal |
round.POSIXt |
Round / Truncate Data-Time Objects |
row |
Row Indexes |
sequence |
Create A Vector of Sequences |
subset |
Subsetting Vectors, Matrices and Data Frames |
substitute |
Substituting and Quoting Expressions |
t |
Matrix Transpose |
table |
Cross Tabulation and Table Creation |
textConnection |
Text Connections |
tilde |
Tilde Operator |
typeof |
The Type of an Object |
unique |
Extract Unique Elements |
system.file |
Find Names of R System Files |
taskCallbackNames |
Query the Names of the Current Internal Top-Level Task Callbacks |
tempfile |
Create Names for Temporary Files |
trimws |
Remove Leading/Trailing Whitespace |
serialize |
Simple Serialization Interface |
slice.index |
Slice Indexes in an Array |
slotOp |
Extract or Replace A Slot |
stopifnot |
Ensure the Truth of R Expressions |
try |
Try an Expression Allowing Error Recovery |
validUTF8 |
Check if a Character Vector is Validly Encoded |
vector |
Vectors |
withVisible |
Return both a Value and its Visibility |
which.min |
Where is the Min() or Max() or first TRUE or FALSE ? |
shell |
Invoke a System Command, using a Shell |
zapsmall |
Rounding of Numbers |
zpackages |
Listing of Packages |
strptime |
Date-time Conversion Functions to and from Character |
sweep |
Sweep out Array Summaries |
switch |
Select One of a List of Alternatives |
system.time |
CPU Time Used |
write |
Write Data to a File |
tabulate |
Tabulation for Vectors |
tapply |
Apply a Function Over a Ragged Array |
trace |
Interactive Tracing and Debugging of Calls to a Function or Method |
traceback |
Get and Print Call Stacks |
system2 |
Invoke a System Command |
timezones |
Time Zones |
toString |
Convert an R Object to a Character String |
unlist |
Flatten Lists |
Signals |
Interrupting Execution of R |
unlink |
Delete Files and Directories |
weekdays |
Extract Parts of a POSIXt or Date Object |
which |
Which indices are TRUE? |
unname |
Remove names or dimnames |
warning |
Warning Messages |
warnings |
Print Warning Messages |
.Machine |
Numerical Characteristics of the Machine |
on.exit |
Function Exit Code |
polyroot |
Find Zeros of a Real or Complex Polynomial |
pos.to.env |
Convert Positions in the Search Path to Environments |
pushBack |
Push Text Back on to a Connection |
qr |
The QR Decomposition of a Matrix |
rawConnection |
Raw Connections |
rawConversion |
Convert to or from Raw Vectors |
rle |
Run Length Encoding |
.Script |
Scripting Language Interface |
zutils |
Miscellaneous Internal/Programming Utilities |
remove |
Remove Objects from a Specified Environment |
scan |
Read Data Values |
search |
Give Search Path for R Objects |
seq.POSIXt |
Generate Regular Sequences of Times |
seq |
Sequence Generation |
writeLines |
Write Lines to a Connection |
xtfrm |
Auxiliary Function for Sorting and Ranking |
sign |
Sign Function |
sink |
Send R Output to a File |
strtoi |
Convert Strings to Integers |
strtrim |
Trim Character Strings to Specified Display Widths |
summary |
Object Summaries |
svd |
Singular Value Decomposition of a Matrix |
sys.parent |
Functions to Access the Function Call Stack |
sys.source |
Parse and Evaluate Expressions from a File |
taskCallback |
Add or Remove a Top-Level Task Callback |
taskCallbackManager |
Create an R-level Task Callback Manager |
tracemem |
Trace Copying of Objects |
transform |
Transform an Object, for Example a Data Frame |
userhooks |
Functions to Get and Set Hooks for Load, Attach, Detach and Unload |
utf8Conversion |
Convert Integer Vectors to or from UTF-8-encoded Character Vectors |
shell.exec |
Open a File or URL using Windows File Associations |
with |
Evaluate an Expression in a Data Environment |
No Results! |