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-- Operators, Global Variables, ... --

! Logical Operators (base)
!= Relational Operators (base)
$ Extract or Replace Parts of an Object (base)
$.tclvar Low-level Tcl/Tk Interface (tcltk)
%% Arithmetic Operators (base)
%*% Matrix Multiplication (base)
%/% Arithmetic Operators (base)
%in% Value Matching (base)
%o% Outer Product of Arrays (base)
%x% Kronecker products on arrays (base)
& Logical Operators (base)
&& Logical Operators (base)
( Parentheses and Braces (base)
* Arithmetic Operators (base)
+ Arithmetic Operators (base)
+.POSIXct Date-Time Classes (base)
+.POSIXlt Date-Time Classes (base)
- Arithmetic Operators (base)
-.POSIXct Date-Time Classes (base)
-.POSIXlt Date-Time Classes (base)
-> Assign a Value to a Name (base)
->> Assign a Value to a Name (base)
.Alias Create Alias (Pointer) to R Object (base)
.Autoloaded Loading and Listing of Packages (base)
.AutoloadEnv On-demand Loading of Packages (base)
.C Foreign Function Interface (base)
.Call Foreign Function Interface (base)
.Class Internal and Group Methods and Generic Functions (base)
.Defunct Defunct Functions (base)
.Deprecated Deprecated Functions (base)
.Device Control Multiple Devices (base)
.Devices Control Multiple Devices (base)
.Dyn.libs Loading Shared Libraries (base)
.External Foreign Function Interface (base)
.First Initialization at Start of an R Session (base)
.First.lib Loading and Listing of Packages (base)
.Fortran Foreign Function Interface (base)
.Generic Internal and Group Methods and Generic Functions (base)
.GlobalEnv Environment Access (base)
.Group Internal and Group Methods and Generic Functions (base)
.Internal Call an Internal Function (base)
.Last Terminate an R Session (base)
.Last.lib Loading and Listing of Packages (base)
.Last.value Value of Last Evaluated Expression (base)
.leap.seconds Date-Time Classes (base)
.lib.loc Loading and Listing of Packages (base)
.Library Loading and Listing of Packages (base)
.Machine Machine Characteristics (base)
.Method Internal and Group Methods and Generic Functions (base)
.NotYetImplemented Not Yet Implemented Functions and Unused Arguments (base)
.NotYetUsed Not Yet Implemented Functions and Unused Arguments (base)
.Options Options Settings (base)
.packages Loading and Listing of Packages (base)
.Pars Set or Query Graphical Parameters (base)
.path.package Loading and Listing of Packages (base)
.Platform Platform Specific Variables (base)
.PostScript.Options PostScript Graphics (base)
.Primitive Call a ``Primitive'' Internal Function (base)
.Provided Defunct Functions (base)
.ps.prolog PostScript Graphics (base)
.Random.seed Random Number Generation (base)
.Rprofile Initialization at Start of an R Session (base)
.Tcl Low-level Tcl/Tk Interface (tcltk)
.Tk.ID Low-level Tcl/Tk Interface (tcltk)
.Tk.newwin Low-level Tcl/Tk Interface (tcltk)
.Tk.subwin Low-level Tcl/Tk Interface (tcltk)
.TkRoot Low-level Tcl/Tk Interface (tcltk)
.TkWin Low-level Tcl/Tk Interface (tcltk)
.Traceback Print Call Stack of Last Error (base)
/ Arithmetic Operators (base)
: Sequence Generation (base)
< Relational Operators (base)
<= Relational Operators (base)
== Relational Operators (base)
> Relational Operators (base)
>= Relational Operators (base)
? Documentation (base)
[ Extract or Replace Parts of an Object (base)
[.AsIs Data Frames (base)
[.data.frame Extract or Replace Parts of an Object (base)
[.factor Extract or Replace Parts of an Object (base)
[.formula Extract or Replace Parts of an Object (base)
[.noquote Extract or Replace Parts of an Object (base)
[.POSIXct Date-Time Classes (base)
[.ts Extract or Replace Parts of an Object (base)
[.tskernel Smoothing Kernel Objects (ts)
[[ Extract or Replace Parts of an Object (base)
[[.POSIXct Date-Time Classes (base)
^ Arithmetic Operators (base)
{ Parentheses and Braces (base)
| Logical Operators (base)
|| Logical Operators (base)
~ Model Formulae (base)

-- A --

abbreviate Abbreviate Strings (base)
ability.cov Ability and Intelligence Tests (mva)
abline Add a Straight Line to a Plot (base)
abs Miscellaneous Mathematical Functions (base)
acf Autocovariance and Autocorrelation Function Estimation (ts)
acos Trigonometric Functions (base)
acosh Hyperbolic Functions (base)
add.scope Compute Allowed Changes in Adding to or Dropping from a Formula (base)
add1 Add or Drop All Possible Single Terms to a Model (base)
addTclPath Low-level Tcl/Tk Interface (tcltk)
aggregate Compute Summary Statistics of Data Subsets (base)
airmiles Commercial Airline Mileage (base)
airquality New York Air Quality Measurements (base)
alias Find Aliases (Dependencies) in a Model (base)
alist Lists - Generic and Dotted Pairs (base)
all Are All Values True? (base)
all.equal Test if Two Objects are (Nearly) Equal (base)
all.equal.POSIXct Date-Time Classes (base)
all.names Find All Names in an Expression (base)
all.vars Find All Names in an Expression (base)
anova Anova Tables (base)
anova.glm Analysis of Deviance for Generalized Linear Model Fits (base)
anova.glmlist Analysis of Deviance for Generalized Linear Model Fits (base)
anova.lm ANOVA for Linear Model Fits (base)
anova.lmlist ANOVA for Linear Model Fits (base)
anova.loess Local Polynomial Regression Fitting (modreg)
anova.mlm Anova Tables (base)
anova.nls Nonlinear Least Squares (nls)
anovalist.lm ANOVA for Linear Model Fits (base)
anovalist.nls Nonlinear Least Squares (nls)
ansari.test Ansari-Bradley Test (ctest)
anscombe Anscombe's Quartet of ``Identical'' Simple Linear Regressions (base)
any Are Some Values True? (base)
aov Fit an Analysis of Variance Model (base)
aperm Array Transposition (base)
append Vector Merging (base)
apply Apply Functions Over Array Margins (base)
approx Interpolation Functions (base)
approxfun Interpolation Functions (base)
apropos Find Objects by (Partial) Name (base)
ar Fit Autoregressive Models to Time Series (ts)
ar.burg Fit Autoregressive Models to Time Series (ts)
ar.mle Fit Autoregressive Models to Time Series (ts)
ar.ols Fit Autoregressive Models to Time Series by OLS (ts)
ar.yw Fit Autoregressive Models to Time Series (ts)
Arg Complex Vectors (base)
args Argument List of a Function (base)
arima0 ARIMA Modelling of Time Series - Preliminary Version (ts)
Arithmetic Arithmetic Operators (base)
arma0f Internal ts functions (ts)
array Multi-way Arrays (base)
arrows Add Arrows to a Plot (base)
as.array Multi-way Arrays (base)
as.call Function Calls (base)
as.character Character Vectors (base)
as.character.octmode Display Numbers in Octal (base)
as.character.POSIXct Date-time Conversion Functions to and from Character (base)
as.character.POSIXlt Date-time Conversion Functions to and from Character (base)
as.complex Complex Vectors (base)
as.data.frame Data Frames (base)
as.data.frame.POSIXct Date-Time Classes (base)
as.data.frame.table Cross Tabulation (base)
as.data.frame.ts Data Frames (base)
as.data.frame.vector Data Frames (base)
as.data.frame.xyVector Construct an xyVector Object (splines)
as.dendrogram General Tree Structures (mva)
as.dist Distance Matrix Computation (mva)
as.double Double Precision Vectors (base)
as.expression Unevaluated Expressions (base)
as.factor Factors (base)
as.formula Model Formulae (base)
as.function Convert Object to Function (base)
as.hclust Convert Objects to Class hclust (mva)
as.integer Integer Vectors (base)
as.list Lists - Generic and Dotted Pairs (base)
as.logical Logical Vectors (base)
as.matrix Matrices (base)
as.matrix.dist Distance Matrix Computation (mva)
as.matrix.noquote Class for ``no quote'' Printing of Strings (base)
as.matrix.POSIXlt Date-Time Classes (base)
as.name Variable Names or Symbols, respectively (base)
as.null The Null Object (base)
as.numeric Numeric Vectors (base)
as.ordered Factors (base)
as.pairlist Lists - Generic and Dotted Pairs (base)
as.polySpline Piecewise Polynomial Spline Representation (splines)
as.POSIX* Date-time Conversion Functions (base)
as.POSIXct Date-time Conversion Functions (base)
as.POSIXlt Date-time Conversion Functions (base)
as.qr The QR Decomposition of a Matrix (base)
as.real Real Vectors (base)
as.single Double Precision Vectors (base)
as.symbol Variable Names or Symbols, respectively (base)
as.table Cross Tabulation (base)
as.table.ftable Flat Contingency Tables (base)
as.ts Time-Series Objects (base)
as.vector Vectors (base)
asin Trigonometric Functions (base)
asinh Hyperbolic Functions (base)
asOneSidedFormula Convert to One-Sided Formula (nls)
assign Assign a Value to a Name (base)
assocplot Association Plots (base)
asVector Coerce an Object to a Vector (splines)
atan Trigonometric Functions (base)
atan2 Trigonometric Functions (base)
atanh Hyperbolic Functions (base)
attach Attach Set of R Objects to Search Path (base)
attenu The Joyner-Boore Attenuation Data (base)
attitude Attitudes Toward Supervisors (base)
attr Object Attributes (base)
attr.all.equal Test if Two Objects are (Nearly) Equal (base)
attributes Object Attribute Lists (base)
austres Quarterly Time Series of the Number of Australian Residents (ts)
autoload On-demand Loading of Packages (base)
autoloader On-demand Loading of Packages (base)
ave Group Averages Over Level Combinations of Factors (base)
axis Add an Axis to a Plot (base)
axis.POSIXct Date-time Plotting Functions (base)

-- B --

backsolve Solve an Upper or Lower Triangular System (base)
backSpline Monotone Inverse Spline (splines)
bandwidth.kernel Smoothing Kernel Objects (ts)
barplot Bar Plots (base)
bartlett.test Bartlett Test for Homogeneity of Variances (ctest)
basename File Manipulation (base)
BATCH Batch Execution of R (base)
beaver1 Body Temperature Series of Two Beavers (ts)
beaver2 Body Temperature Series of Two Beavers (ts)
beavers Body Temperature Series of Two Beavers (ts)
Bessel Bessel Functions (base)
bessel Bessel Functions (base)
besselI Bessel Functions (base)
besselJ Bessel Functions (base)
besselK Bessel Functions (base)
besselY Bessel Functions (base)
Beta The Beta Distribution (base)
beta Special Functions of Mathematics (base)
binom.test Exact Binomial Test (ctest)
Binomial The Binomial Distribution (base)
binomial Family Objects for Models (base)
biplot Biplot of Multivariate Data (mva)
bitmap Graphics Device for Bitmap Files (base)
BJsales Sales Data with Leading Indicator. (ts)
BOD Biochemical Oxygen Demand (nls)
body Access to and Manipulation of the Body of a Function (base)
box Draw a Box around a Plot (base)
Box.test Box-Pierce and Ljung-Box Tests (ts)
boxplot Box Plots (base)
break Control Flow (base)
browser Environment Browser (base)
bs Generate a Basis for Polynomial Splines (splines)
bug.report Send a Bug Report (base)
build Utilities for Building and Checking Add-on Packages (base)
builtins Returns the names of all built-in objects (base)
bxp Box Plots from Summaries (base)
by Apply a Function to a Data Frame split by Factors (base)

-- C --

C Sets Contrasts for a Factor (base)
c Combine Values into a Vector or List (base)
c.POSIXct Date-Time Classes (base)
c.POSIXlt Date-Time Classes (base)
call Function Calls (base)
cancor Canonical Correlations (mva)
cars Stopping Distances of Cars (base)
case.names Case and Variable Names of Fitted Models (base)
case/variable.names Case and Variable Names of Fitted Models (base)
cat Concatenate and Print (base)
category Defunct Functions (base)
Cauchy The Cauchy Distribution (base)
cbind Combine R Objects by Rows or Columns (base)
cbind.ts Bind Two or More Time Series (ts)
ccf Autocovariance and Autocorrelation Function Estimation (ts)
ceiling Rounding of Numbers (base)
char.expand Expand a String with Respect to a Target Table (base)
character Character Vectors (base)
charmatch Partial String Matching (base)
chartr Character Translation (base)
check Utilities for Building and Checking Add-on Packages (base)
check.options Set Options with Consistency Checks (base)
ChickWeight Weight versus age of chicks on different diets (nls)
chickwts Chicken Weights by Feed Type (base)
chisq.test Pearson's Chi-squared Test for Count Data (ctest)
Chisquare The (non-central) Chi-Squared Distribution (base)
chol The Choleski Decomposition (base)
chol2inv Inverse from Choleski Decomposition (base)
choose Special Functions of Mathematics (base)
chull Compute Convex Hull of a Set of Points (base)
class Object Classes (base)
clearNames Remove the Names from an Object (nls)
close Functions to Manipulate Connections (base)
close.screen Creating and Controlling Multiple Screens on a Single Device (base)
close.socket Close a Socket (base)
closeAllConnections Display Connections (base)
cm Graphical Units (base)
cm.colors Color Palettes (base)
cmdscale Classical (Metric) Multidimensional Scaling (mva)
co.intervals Conditioning Plots (base)
CO2 Carbon Dioxide uptake in grass plants (nls)
co2 Mauna Loa Atmospheric CO2 Concentration (base)
codes Factor Codes (base)
codoc Check Code/Documentation Consistency (base)
coef Extract Model Coefficients (base)
coef.nls Nonlinear Least Squares (nls)
coef.tukeyline Robust Line Fitting (eda)
coefficients Extract Model Coefficients (base)
coefficients.glm Accessing Generalized Linear Model Fits (base)
coefficients.lm Accessing Linear Model Fits (base)
coefficients.tukeyline Robust Line Fitting (eda)
col Column Indexes (base)
colnames Row and Columnn Names (base)
colors Color Names (base)
colours Color Names (base)
commandArgs Extract Command Line Arguments (base)
comment Query or Set a `Comment' Attribute (base)
Comparison Relational Operators (base)
COMPILE Compile Files for Use with R (base)
complete.cases Find Complete Cases (base)
complex Complex Vectors (base)
conflicts Search for Masked Objects on the Search Path (base)
Conj Complex Vectors (base)
connection Functions to Manipulate Connections (base)
Constants Built-in Constants (base)
contour Display Contours (base)
contr.helmert Contrast Matrices (base)
contr.poly Contrast Matrices (base)
contr.sum Contrast Matrices (base)
contr.treatment Contrast Matrices (base)
contrast Contrast Matrices (base)
contrasts Get and Set Contrast Matrices (base)
contrib.url Download Packages from CRAN (base)
contributors R Project Contributors (base)
Control Control Flow (base)
convolve Fast Convolution (base)
cooks.distance Regression Diagnostics (base)
coplot Conditioning Plots (base)
copyright Copyrights of Files Used to Build R (base)
copyrights Copyrights of Files Used to Build R (base)
cor Correlation, Variance and Covariance (Matrices) (base)
cor.test Test for Zero Correlation (ctest)
cos Trigonometric Functions (base)
cosh Hyperbolic Functions (base)
count.fields Count the Number of Fields per Line (base)
cov Correlation, Variance and Covariance (Matrices) (base)
cov.mcd Resistant Estimation of Multivariate Location and Scatter (lqs)
cov.mve Resistant Estimation of Multivariate Location and Scatter (lqs)
cov.rob Resistant Estimation of Multivariate Location and Scatter (lqs)
cov.wt Weighted Covariance Matrices (base)
covratio Regression Diagnostics (base)
cpgram Plot Cumulative Periodogram (ts)
CRAN.packages Download Packages from CRAN (base)
crossprod Matrix Crossproduct (base)
cummax Cumulative Sums, Products, and Extremes (base)
cummin Cumulative Sums, Products, and Extremes (base)
cumprod Cumulative Sums, Products, and Extremes (base)
cumsum Cumulative Sums, Products, and Extremes (base)
curve Draw Function Plots (base)
cut Convert Numeric to Factor (base)
cut.dendrogram General Tree Structures (mva)
cutree Cut a tree into groups of data (mva)
cycle Sampling Times of Time Series (base)

-- D --

D Symbolic and Algorithmic Derivatives of Simple Expressions (base)
data Data Sets (base)
data.class Object Classes (base)
data.entry Spreadsheet Interface for Entering Data (base)
data.frame Data Frames (base)
data.matrix Data Frame to Numeric Matrix (base)
dataentry Spreadsheet Interface for Entering Data (base)
date System Date and Time (base)
DateTimeClasses Date-Time Classes (base)
dbeta The Beta Distribution (base)
dbinom The Binomial Distribution (base)
dcauchy The Cauchy Distribution (base)
dchisq The (non-central) Chi-Squared Distribution (base)
de Spreadsheet Interface for Entering Data (base)
debug Debug a function (base)
debugger Post-Mortem Debugging (base)
Defunct Defunct Functions (base)
delay Delay Evaluation (base)
delete.response Modify Terms Objects (base)
deltat Sampling Times of Time Series (base)
demo Demonstrations of R functions (base)
dendrogram General Tree Structures (mva)
density Kernel Density Estimation (base)
deparse Expression Deparsing (base)
Deprecated Deprecated Functions (base)
deriv Symbolic and Algorithmic Derivatives of Simple Expressions (base)
det Calculate the Determinant of a Matrix (base)
detach Detach Objects from the Search Path (base)
dev.control Copy Graphics Between Multiple Devices (base)
dev.copy Copy Graphics Between Multiple Devices (base)
dev.copy2eps Copy Graphics Between Multiple Devices (base)
dev.cur Control Multiple Devices (base)
dev.list Control Multiple Devices (base)
dev.next Control Multiple Devices (base)
dev.off Control Multiple Devices (base)
dev.prev Control Multiple Devices (base)
dev.print Copy Graphics Between Multiple Devices (base)
dev.set Control Multiple Devices (base)
dev.xxx Control Multiple Devices (base)
dev2 Copy Graphics Between Multiple Devices (base)
dev2bitmap Graphics Device for Bitmap Files (base)
deviance Model Deviance (base)
deviance.nls Nonlinear Least Squares (nls)
device List of Graphical Devices (base)
Devices List of Graphical Devices (base)
dexp The Exponential Distribution (base)
df The F Distribution (base)
df.kernel Smoothing Kernel Objects (ts)
df.residual Residual Degrees-of-Freedom (base)
df.residual.glm Accessing Generalized Linear Model Fits (base)
df.residual.lm Accessing Linear Model Fits (base)
df.residual.nls Nonlinear Least Squares (nls)
dfbetas Regression Diagnostics (base)
dffits Regression Diagnostics (base)
dgamma The Gamma Distribution (base)
dgeom The Geometric Distribution (base)
dget Write an Internal Object to a File (base)
dhyper The Hypergeometric Distribution (base)
diag Matrix Diagonals (base)
diff Lagged Differences (base)
diff.ts diff Method for ts Objects (ts)
diffinv Discrete Integrals: Inverse of Differencing (ts)
digamma Special Functions of Mathematics (base)
dim Dimensions of an Object (base)
dimnames Dimnames of an Object (base)
dir List the Files in a Directory/Folder (base)
dir.create File Manipulation (base)
dirname File Manipulation (base)
discoveries Numbers of Important Discoveries (base)
dist Distance Matrix Computation (mva)
dlnorm The Log Normal Distribution (base)
dlogis The Logistic Distribution (base)
DNase Elisa assay of DNase (nls)
dnbinom The Negative Binomial Distribution (base)
dnchisq Defunct Functions (base)
dnorm The Normal Distribution (base)
do.call Execute a Function Call (base)
dotplot Cleveland Dot Plots (base)
double Double Precision Vectors (base)
download.file Download File from the Internet (base)
download.packages Download Packages from CRAN (base)
dpois The Poisson Distribution (base)
dput Write an Internal Object to a File (base)
drop Drop Redundant Extent Information (base)
drop.scope Compute Allowed Changes in Adding to or Dropping from a Formula (base)
drop.terms Modify Terms Objects (base)
drop1 Add or Drop All Possible Single Terms to a Model (base)
dsignrank Distribution of the Wilcoxon Signed Rank Statistic (base)
dt The Student t Distribution (base)
dummy.coef Extract Coefficients in Original Coding (base)
dump Text Representations of R Objects (base)
dump.frames Post-Mortem Debugging (base)
dunif The Uniform Distribution (base)
duplicated Determine Duplicate Elements (base)
dweibull The Weibull Distribution (base)
dwilcox Distribution of the Wilcoxon Rank Sum Statistic (base)
dyn.load Foreign Function Interface (base)
dyn.unload Foreign Function Interface (base)

-- E --

ecdf Empirical Cumulative Distribution Function (stepfun)
edit Invoke a Text Editor (base)
edit.data.frame Edit Data Frames and Matrices (base)
edit.default Invoke a Text Editor (base)
edit.matrix Edit Data Frames and Matrices (base)
eff.aovlist Compute Efficiencies of Multistratum Analysis of Variance (base)
effects Effects from Fitted Model (base)
eigen Spectral Decomposition of a Matrix (base)
else Control Flow (base)
emacs Invoke a Text Editor (base)
embed Embedding a Time Series (ts)
end Encode the Terminal Times of Time Series (base)
environment Environment Access (base)
erase.screen Creating and Controlling Multiple Screens on a Single Device (base)
esoph Smoking, Alcohol and (O)esophageal Cancer (base)
euro Euro Conversion Rates (base)
eurodist Distances Between Cities in Europe (base)
EuStockMarkets Daily Closing Prices of Major European Stock Indices, 1991-1998. (ts)
eval Evaluate an (Unevaluated) Expression (base)
evalq Evaluate an (Unevaluated) Expression (base)
example Run an Examples Section from the Online Help (base)
exists Is an Object Defined? (base)
exp Logarithms and Exponentials (base)
expand.grid Create a Data Frame from All Combinations of Factors (base)
expand.model.frame Add new variables to a model frame (base)
Exponential The Exponential Distribution (base)
expression Unevaluated Expressions (base)
Extract Extract or Replace Parts of an Object (base)
extractAIC Extract AIC from a Fitted Model (base)
Extremes Maxima and Minima (base)

-- F --

F Logical Vectors (base)
factanal Factor Analysis (mva)
factanal.fit.mle Factor Analysis (mva)
factor Factors (base)
factor.scope Compute Allowed Changes in Adding to or Dropping from a Formula (base)
faithful Old Faithful Geyser Data (base)
FALSE Logical Vectors (base)
family Family Objects for Models (base)
family.glm Accessing Generalized Linear Model Fits (base)
family.lm Accessing Linear Model Fits (base)
fdeaths Monthly Deaths from Lung Diseases in the UK (ts)
FDist The F Distribution (base)
fft Fast Discrete Fourier Transform (base)
file Functions to Manipulate Connections (base)
file.access Ascertain File Accessibility (base)
file.append File Manipulation (base)
file.choose Choose a File Interactively (base)
file.copy File Manipulation (base)
file.create File Manipulation (base)
file.exists File Manipulation (base)
file.info Extract File Information (base)
file.path Construct Path to File (base)
file.remove File Manipulation (base)
file.show Display One or More Files (base)
files File Manipulation (base)
filled.contour Level (Contour) Plots (base)
filter Linear Filtering on a Time Series (ts)
find Find Objects by (Partial) Name (base)
fisher.test Fisher's Exact Test for Count Data (ctest)
fitted Extract Model Fitted Values (base)
fitted.nls Nonlinear Least Squares (nls)
fitted.tukeyline Robust Line Fitting (eda)
fitted.values.glm Accessing Generalized Linear Model Fits (base)
fitted.values.lm Accessing Linear Model Fits (base)
fitted.values.tukeyline Robust Line Fitting (eda)
fivenum Tukey Five-Number Summaries (base)
fix Fix an Object (base)
fligner.test Fligner-Killeen Test for Homogeneity of Variances (ctest)
floor Rounding of Numbers (base)
for Control Flow (base)
Foreign Foreign Function Interface (base)
Formaldehyde Determination of Formaldehyde (base)
formals Access to and Manipulation of the Formal Arguments (base)
format Encode in a Common Format (base)
format.char Formatting Using C-style Formats (base)
format.data.frame Encode in a Common Format (base)
format.default Encode in a Common Format (base)
format.dist Distance Matrix Computation (mva)
format.factor Encode in a Common Format (base)
format.info format(.) Information (base)
format.octmode Display Numbers in Octal (base)
format.POSIXct Date-time Conversion Functions to and from Character (base)
format.POSIXlt Date-time Conversion Functions to and from Character (base)
format.pval Encode in a Common Format (base)
formatC Formatting Using C-style Formats (base)
formula Model Formulae (base)
formula.lm Accessing Linear Model Fits (base)
formula.nls Extract Model Formula from nls Object (nls)
formula.terms Model Formulae (base)
forwardsolve Solve an Upper or Lower Triangular System (base)
fourfoldplot Fourfold Plots (base)
frame Create / Start a New Plot Frame (base)
freeny Freeny's Revenue Data (base)
frequency Sampling Times of Time Series (base)
friedman.test Friedman Rank Sum Test (ctest)
ftable Flat Contingency Tables (base)
ftable.formula Formula Notation for Flat Contingency Tables (base)
function Function Definition (base)

-- G --

Gamma Family Objects for Models (base)
gamma Special Functions of Mathematics (base)
gammaCody Bessel Functions (base)
GammaDist The Gamma Distribution (base)
gaussian Family Objects for Models (base)
gc Garbage Collection (base)
gc.time Report Time Spent in Garbage Collection (base)
gcinfo Garbage Collection (base)
gctorture Torture Garbage Collector (base)
Geometric The Geometric Distribution (base)
get Return a Variable's Value (base)
getAllConnections Display Connections (base)
getConnection Display Connections (base)
getenv Deprecated Functions (base)
geterrmessage Stop Function Execution (base)
getInitial Get Initial Parameter Estimates (nls)
getOption Options Settings (base)
getwd Get or Set Working Directory (base)
gl Generate Factor Levels (base)
glm Fitting Generalized Linear Models (base)
glm.fit.null Fitting Generalized Linear Models (base)
glm.summaries Accessing Generalized Linear Model Fits (base)
globalenv Environment Access (base)
GNOME GNOME Desktop Graphics Device (base)
Gnome GNOME Desktop Graphics Device (base)
gnome GNOME Desktop Graphics Device (base)
graphics.off Control Multiple Devices (base)
gray Gray Level Specification (base)
grep Pattern Matching and Replacement (base)
grey Gray Level Specification (base)
grid Add Grid to a Plot (base)
gsub Pattern Matching and Replacement (base)
GTK GTK+ Graphics Device (base)
gtk GTK+ Graphics Device (base)

-- H --

HairEyeColor Hair and Eye Color of Statistics Students (base)
Harman23.cor Harman Example 2.3 (mva)
Harman74.cor Harman Example 7.4 (mva)
hasTsp Tsp Attribute of Time-Series-like Objects (base)
hat Regression Diagnostics (base)
hclust Hierarchical Clustering (mva)
heat.colors Color Palettes (base)
help Documentation (base)
help.search Search the Help System (base)
help.start Hypertext Documentation (base)
Hershey Hershey Vector Fonts in R (base)
hist Histograms (base)
history Load or Save or Display the Commands History (base)
hsv HSV Color Specification (base)
httpclient Read text from an HTTP server (base)
Hyperbolic Hyperbolic Functions (base)
Hypergeometric The Hypergeometric Distribution (base)

-- I --

I Model Formulae (base)
identify Identify Points in a Scatter Plot (base)
identify.hclust Identify Clusters in a Dendrogram (mva)
if Control Flow (base)
ifelse Conditional Element Selection (base)
Im Complex Vectors (base)
image Display a Color Image (base)
index.search Search Indices for Help Files (base)
Indometh Pharmacokinetics of Indomethicin (nls)
Inf Finite, Infinite and NaN Numbers (base)
infert Infertility after Spontaneous and Induced Abortion (base)
influence.measures Regression Diagnostics (base)
inherits Object Classes (base)
InsectSprays Effectiveness of Insect Sprays (base)
INSTALL Install Add-on Packages (base)
install.packages Download Packages from CRAN (base)
installed.packages Download Packages from CRAN (base)
integer Integer Vectors (base)
interaction Compute Factor Interactions (base)
interaction.plot Two-way Interaction Plot (base)
interactive Is R Running Interactively? (base)
Internal Call an Internal Function (base)
interpSpline Create an Interpolation Spline (splines)
intersect Set Operations (base)
inverse.gaussian Family Objects for Models (base)
invisible Change the Print Mode to Invisible (base)
IQR The Interquartile Range (base)
iris Edgar Anderson's Iris Data (base)
iris3 Edgar Anderson's Iris Data (base)
is.array Multi-way Arrays (base)
is.atomic Is an Object Atomic or Recursive? (base)
is.call Function Calls (base)
is.character Character Vectors (base)
is.complex Complex Vectors (base)
is.data.frame Data Frames (base)
is.double Double Precision Vectors (base)
is.element Set Operations (base)
is.empty.model Check if a Model is Empty (base)
is.environment Environment Access (base)
is.expression Unevaluated Expressions (base)
is.factor Factors (base)
is.finite Finite, Infinite and NaN Numbers (base)
is.function Is an Object of Type Function? (base)
is.infinite Finite, Infinite and NaN Numbers (base)
is.integer Integer Vectors (base)
is.language Is an Object a Language Object? (base)
is.list Lists - Generic and Dotted Pairs (base)
is.loaded Foreign Function Interface (base)
is.logical Logical Vectors (base)
is.matrix Matrices (base)
is.mts Internal ts functions (ts)
is.na Not Available / ``Missing'' Values (base)
is.na.POSIXlt Date-Time Classes (base)
is.name Variable Names or Symbols, respectively (base)
is.nan Finite, Infinite and NaN Numbers (base)
is.null The Null Object (base)
is.numeric Numeric Vectors (base)
is.object Is an Object ``internally classed''? (base)
is.ordered Factors (base)
is.pairlist Lists - Generic and Dotted Pairs (base)
is.qr The QR Decomposition of a Matrix (base)
is.R Are we using R, rather than S? (base)
is.real Real Vectors (base)
is.recursive Is an Object Atomic or Recursive? (base)
is.single Is an Object of Single Precision Type? (base)
is.stepfun Step Functions (stepfun)
is.symbol Variable Names or Symbols, respectively (base)
is.table Cross Tabulation (base)
is.tkwin Low-level Tcl/Tk Interface (tcltk)
is.ts Time-Series Objects (base)
is.tskernel Smoothing Kernel Objects (ts)
is.vector Vectors (base)
isIncomplete Functions to Manipulate Connections (base)
islands Areas of the World's Major Landmasses (base)
ISOdate Date-time Conversion Functions to and from Character (base)
ISOdatetime Date-time Conversion Functions to and from Character (base)
isOpen Functions to Manipulate Connections (base)
isSeekable Functions to Manipulate Connections (base)

-- J --

Japanese Japanese characters in R (base)
jitter Add `Jitter' (Noise) to Numbers (base)
jpeg JPEG and PNG graphics devices (base)

-- K --

kappa Estimate the Condition Number (base)
kernapply Apply Smoothing Kernel (ts)
kernel Smoothing Kernel Objects (ts)
kmeans K-Means Clustering (mva)
knots Step Functions (stepfun)
kronecker Kronecker products on arrays (base)
kruskal.test Kruskal-Wallis Rank Sum Test (ctest)
ks.test Kolmogorov-Smirnov Tests (ctest)
ksmooth Kernel Regression Smoother (modreg)

-- L --

labels Find Labels from Object (base)
lag Lag a Time Series (ts)
lag.plot Time Series Lag Plots (ts)
LakeHuron Level of Lake Huron 1875-1972 (ts)
lapply Apply a Function over a List or Vector (base)
Last.value Value of Last Evaluated Expression (base)
layout Specifying Complex Plot Arrangements (base)
lbeta Special Functions of Mathematics (base)
lchoose Special Functions of Mathematics (base)
lcm Specifying Complex Plot Arrangements (base)
ldeaths Monthly Deaths from Lung Diseases in the UK (ts)
legend Add Legends to Plots (base)
length Length of a Vector or List (base)
LETTERS Built-in Constants (base)
letters Built-in Constants (base)
levels Levels Attributes (base)
levels.factor Factor Levels Assignment (base)
lgamma Special Functions of Mathematics (base)
lh Luteinizing Hormone in Blood Samples (ts)
library Loading and Listing of Packages (base)
library.dynam Loading Shared Libraries (base)
licence The R License Terms (base)
license The R License Terms (base)
LifeCycleSavings Intercountry Life-Cycle Savings Data (base)
line Robust Line Fitting (eda)
lines Add Connected Line Segments to a Plot (base)
lines.formula Formula Notation for Scatterplots (base)
lines.histogram Plot Histograms (base)
lines.ts Plotting Time-Series Objects (base)
LINK Create Executable Programs (base)
list Lists - Generic and Dotted Pairs (base)
list.files List the Files in a Directory/Folder (base)
lm Fitting Linear Models (base)
lm.fit Fitter Functions for Linear Models (base)
lm.influence Regression Diagnostics (base)
lm.summaries Accessing Linear Model Fits (base)
lm.wfit Fitter Functions for Linear Models (base)
lmsreg Resistant Regression (lqs)
load Reload Saved Datasets (base)
loadhistory Load or Save or Display the Commands History (base)
loadings Principal Components Analysis (mva)
Loblolly Growth of Loblolly pine trees (nls)
local Evaluate an (Unevaluated) Expression (base)
localeconv Find Details of the Numerical Representations in the Current Locale (base)
locales Query or Set Aspects of the Locale (base)
locator Graphical Input (base)
loess Local Polynomial Regression Fitting (modreg)
loess.control Set Parameters for Loess (modreg)
loess.smooth Scatter Plot with Smooth Curve Fitted by Loess (modreg)
log Logarithms and Exponentials (base)
log10 Logarithms and Exponentials (base)
log1p Logarithms and Exponentials (base)
log2 Logarithms and Exponentials (base)
Logic Logical Operators (base)
logical Logical Vectors (base)
Logistic The Logistic Distribution (base)
logLik Extract Log-Likelihood (nls)
logLik.nls Nonlinear Least Squares (nls)
loglin Fitting Log-Linear Models (base)
Lognormal The Log Normal Distribution (base)
longley Longley's Regression Data (base)
lower.tri Lower and Upper Triangular Part of a Matrix (base)
lowess Scatter Plot Smoothing (base)
lqs Resistant Regression (lqs)
ls List Objects (base)
ls.diag Compute Diagnostics for `lsfit' Regression Results (base)
ls.print Print `lsfit' Regression Results (base)
ls.str Compactly Display the Structure of an Arbitrary R Object (base)
lsf.str Compactly Display the Structure of an Arbitrary R Object (base)
lsfit Find the Least Squares Fit (base)
ltsreg Resistant Regression (lqs)
lynx Annual Canadian Lynx trappings 1821-1934 (ts)

-- M --

Machine Machine Characteristics (base)
machine Determine the Machine R is Running On (base)
mad Median Absolute Deviation (base)
mahalanobis Mahalanobis Distance (base)
make.link Create a Link for GLM families (base)
make.names Make Syntactically Valid Names (base)
make.socket Create a Socket Connection (base)
make.tables Create model.tables (base)
manova Multivariate Analysis of Variance (base)
mantelhaen.test Cochran-Mantel-Haenszel Chi-Squared Test for Count Data (ctest)
margin.table Compute table margin (base)
mat.or.vec Create a Matrix or a Vector (base)
match Value Matching (base)
match.arg Argument Verification Using Partial Matching (base)
match.call Argument Matching (base)
match.fun Function Verification for ``Function Variables'' (base)
Math Internal and Group Methods and Generic Functions (base)
Math.POSIXct Date-Time Classes (base)
Math.POSIXlt Date-Time Classes (base)
matlines Plot Columns of Matrices (base)
matmult Matrix Multiplication (base)
matplot Plot Columns of Matrices (base)
matpoints Plot Columns of Matrices (base)
matrix Matrices (base)
max Maxima and Minima (base)
max.col Find Maximum Position in Matrix (base)
mcnemar.test McNemar's Chi-squared Test for Count Data (ctest)
mdeaths Monthly Deaths from Lung Diseases in the UK (ts)
mean Arithmetic Mean (base)
mean.POSIXct Date-Time Classes (base)
mean.POSIXlt Date-Time Classes (base)
median Median Value (base)
medpolish Median Polish of a Matrix (eda)
mem.limits Memory Available for Data Storage (base)
Memory Memory Available for Data Storage (base)
memory.profile Profile the Usage of Cons Cells (base)
menu Menu Interaction Function (base)
merge Merge Two Data Frames (base)
Methods Internal and Group Methods and Generic Functions (base)
methods Class Methods (base)
min Maxima and Minima (base)
missing Does a Formal Argument have a Value? (base)
Mod Complex Vectors (base)
mode The (Storage) Mode of an Object (base)
model.extract Extract Components from a Model Frame (base)
model.frame Extracting the ``Environment'' of a Model Formula (base)
model.matrix Construct Design Matrices (base)
model.matrix.glm.null Construct Design Matrices (base)
model.matrix.lm Construct Design Matrices (base)
model.offset Extract Components from a Model Frame (base)
model.response Extract Components from a Model Frame (base)
model.tables Compute Tables of Results from an Aov Model Fit. (base)
model.weights Extract Components from a Model Frame (base)
modreg-internal Internal modreg functions (modreg)
month.abb Built-in Constants (base)
month.name Built-in Constants (base)
mood.test Mood Two-Sample Test of Scale (ctest)
morley Michaelson-Morley Speed of Light Data (base)
mosaicplot Mosaic Plots (base)
mtcars Motor Trend Road Tests (base)
mtext Write Text into the Margins of a Plot (base)
mvfft Fast Discrete Fourier Transform (base)

-- N --

n2mfrow Compute Default mfrow From Number of Plots (base)
NA Not Available / ``Missing'' Values (base)
na.action NA Action (base)
na.contiguous NA Handling Routines for Time Series (ts)
na.fail Handle Missing Values in Objects (base)
na.omit Handle Missing Values in Objects (base)
na.omit.ts NA Handling Routines for Time Series (ts)
name Variable Names or Symbols, respectively (base)
names The Names Attribute of an Object (base)
names.dist Distance Matrix Computation (mva)
NaN Finite, Infinite and NaN Numbers (base)
nargs The Number of Arguments to a Function (base)
nchar Count the Number of Characters (base)
NCOL The Number of Rows/Columns of an Array (base)
ncol The Number of Rows/Columns of an Array (base)
NegBinomial The Negative Binomial Distribution (base)
new.env Environment Access (base)
newerVersion Download Packages from CRAN (base)
next Control Flow (base)
NextMethod Class Methods (base)
nextn Highly Composite Numbers (base)
nhtemp Average Yearly Temperatures in New Haven (base)
nlevels The Number of Levels of a Factor (base)
nlm Non-Linear Minimization (base)
nls Nonlinear Least Squares (nls)
nls.control Control the Iterations in nls (nls)
nlsModel Create an nlsModel Object (nls)
NLSstAsymptotic Fit the Asymptotic Regression Model (nls)
NLSstClosestX Inverse Interpolation (nls)
NLSstLfAsymptote Horizontal Asymptote on the Left Side (nls)
NLSstRtAsymptote Horizontal Asymptote on the Right Side (nls)
noquote Class for ``no quote'' Printing of Strings (base)
Normal The Normal Distribution (base)
nottem Average Monthly Temperatures at Nottingham, 1920-1939 (ts)
NotYet Not Yet Implemented Functions and Unused Arguments (base)
NotYetImplemented Not Yet Implemented Functions and Unused Arguments (base)
NotYetUsed Not Yet Implemented Functions and Unused Arguments (base)
NROW The Number of Rows/Columns of an Array (base)
nrow The Number of Rows/Columns of an Array (base)
ns Generate a Basis Matrix for Natural Cubic Splines (splines)
NULL The Null Object (base)
numeric Numeric Vectors (base)
numericDeriv Evaluate derivatives numerically (nls)

-- O --

object.size Report the Space Allocated for an Object (base)
objects List Objects (base)
octmode Display Numbers in Octal (base)
offset Include an Offset in a Model Formula (base)
old.packages Download Packages from CRAN (base)
on.exit Function Exit Code (base)
open Functions to Manipulate Connections (base)
Ops Internal and Group Methods and Generic Functions (base)
Ops.POSIXct Date-Time Classes (base)
Ops.POSIXlt Date-Time Classes (base)
Ops.ts Internal ts functions (ts)
optim General-purpose Optimization (base)
optimise One Dimensional Optimization (base)
optimize One Dimensional Optimization (base)
options Options Settings (base)
Orange Growth of orange trees (nls)
OrchardSprays Potency of Orchard Sprays (base)
order Ordering Permutation (base)
ordered Factors (base)
outer Outer Product of Arrays (base)

-- P --

p.adjust Adjust p values for multiple comparisons (base)
pacf Autocovariance and Autocorrelation Function Estimation (ts)
package.contents Package Contents and Description (base)
package.dependencies Check Packahe Dependencies (base)
package.description Package Contents and Description (base)
page Invoke a Pager on an R Object (base)
pairlist Lists - Generic and Dotted Pairs (base)
pairs Scatterplot Matrices (base)
pairs.formula Formula Notation for Scatterplot Matrices (base)
pairwise.prop.test Pairwise comparisons of proportions (ctest)
pairwise.t.test Pairwise t tests (ctest)
pairwise.table Tabulate p values for pairwise comparisons (ctest)
pairwise.wilcox.test Pairwise Wilcoxon rank sum tests (ctest)
palette Set or View the Graphics Palette (base)
Palettes Color Palettes (base)
panel.smooth Simple Panel Plot (base)
par Set or Query Graphical Parameters (base)
Paren Parentheses and Braces (base)
parent.frame Functions to Access the Function Call Stack (base)
parse Parse Expressions (base)
parse.dcf Parse Debian Control File Format (base)
paste Concatenate Strings (base)
path.expand File Manipulation (base)
pbeta The Beta Distribution (base)
pbinom The Binomial Distribution (base)
pcauchy The Cauchy Distribution (base)
pchisq The (non-central) Chi-Squared Distribution (base)
pentagamma Special Functions of Mathematics (base)
periodicSpline Create a Periodic Interpolation Spline (splines)
persp Perspective Plots (base)
pexp The Exponential Distribution (base)
pf The F Distribution (base)
pgamma The Gamma Distribution (base)
pgeom The Geometric Distribution (base)
phones The World's Telephones (base)
phyper The Hypergeometric Distribution (base)
pi Built-in Constants (base)
pico Invoke a Text Editor (base)
pictex A PicTeX Graphics Driver (base)
piechart Pie Charts (base)
pipe Functions to Manipulate Connections (base)
PkgUtils Utilities for Building and Checking Add-on Packages (base)
PlantGrowth Results from an Experiment on Plant Growth (base)
Platform Platform Specific Variables (base)
plnorm The Log Normal Distribution (base)
plogis The Logistic Distribution (base)
plot Generic X-Y Plotting (base)
plotmath Mathematical Annotation in R (base)
plotNode General Tree Structures (mva)
plotNodeLimit General Tree Structures (mva)
pmatch Partial String Matching (base)
pmax Maxima and Minima (base)
pmin Maxima and Minima (base)
pnbinom The Negative Binomial Distribution (base)
pnchisq Defunct Functions (base)
png JPEG and PNG graphics devices (base)
pnorm The Normal Distribution (base)
points Add Points to a Plot (base)
points.formula Formula Notation for Scatterplots (base)
pointwise Internal modreg functions (modreg)
Poisson The Poisson Distribution (base)
poisson Family Objects for Models (base)
poly Compute Orthogonal Polynomials (base)
polygon Polygon Drawing (base)
polyroot Find Zeros of a Real or Complex Polynomial (base)
polySpline Piecewise Polynomial Spline Representation (splines)
pos.to.env Convert Positions in the Search Path to Environments (base)
POSIXct Date-Time Classes (base)
POSIXlt Date-Time Classes (base)
postscript PostScript Graphics (base)
power Create a Power Link Object (base)
power.prop.test Power calculations two sample test for of proportions (ctest)
power.t.test Power calculations for one and two sample t tests (ctest)
PP.test Phillips-Perron Unit Root Test (ts)
ppoints Ordinates for Probability Plotting (base)
ppois The Poisson Distribution (base)
ppr Projection Pursuit Regression (modreg)
prcomp Principal Components Analysis (mva)
precip Annual Precipitation in US Cities (base)
predict Model Predictions (base)
predict.ar Fit Autoregressive Models to Time Series (ts)
predict.arima0 ARIMA Modelling of Time Series - Preliminary Version (ts)
predict.bs Evaluate a Spline Basis (splines)
predict.bSpline Evaluate a spline at new values of x (splines)
predict.glm Predict Method for GLM Fits (base)
predict.lm Predict method for Linear Model Fits (base)
predict.loess Predict Loess Curve or Surface (modreg)
predict.lqs Predict from an lqs Fit (lqs)
predict.mlm Predict method for Linear Model Fits (base)
predict.nbSpline Evaluate a spline at new values of x (splines)
predict.nls Predicting from Nonlinear Least Squares Fits (nls)
predict.npolySpline Evaluate a spline at new values of x (splines)
predict.ns Evaluate a Spline Basis (splines)
predict.pbSpline Evaluate a spline at new values of x (splines)
predict.polySpline Piecewise Polynomial Spline Representation (splines)
predict.ppolySpline Evaluate a spline at new values of x (splines)
predict.ppr Projection Pursuit Regression (modreg)
predict.princomp Principal Components Analysis (mva)
predict.smooth.spline Predict from Smoothing Spline Fit (modreg)
predict.smooth.spline.fit Fit a Smoothing Spline (modreg)
predLoess Internal modreg functions (modreg)
preplot Pre-computations for a Plotting Objeect (base)
presidents Approval Rating of US Presidents (base)
pressure Vapor Pressure of Mercury as a Function of Temperature (base)
pretty Pretty Breakpoints (base)
Primitive Call a ``Primitive'' Internal Function (base)
princomp Principal Components Analysis (mva)
print Print Values (base)
prmatrix Print Matrices (base)
proc.time Running Time of R (base)
prod Product of Vector Elements (base)
profile Generic Function for Profiling Models (base)
profile.nls Method for Profiling nls Objects (nls)
profiler Constructor for Profiler Objects for Nonlinear Models (nls)
profiler.nls Constructor for Profiler Objects from nls Objects (nls)
proj Projections of Models (base)
promax Rotation Methods for Factor Analysis (mva)
prompt Produce Prototype of an R Documentation File (base)
prop.table Express table entries as fraction of marginal table (base)
prop.test Test for Equal or Given Proportions (ctest)
prop.trend.test Test for trend in proportions (ctest)
provide Defunct Functions (base)
ps.options PostScript Graphics (base)
psignrank Distribution of the Wilcoxon Signed Rank Statistic (base)
pt The Student t Distribution (base)
ptukey The Studentized Range Distribution (base)
punif The Uniform Distribution (base)
Puromycin Reaction velocity of an enzymatic reaction (nls)
pushBack Push Text Back on to a Connection (base)
pushBackLength Push Text Back on to a Connection (base)
pweibull The Weibull Distribution (base)
pwilcox Distribution of the Wilcoxon Rank Sum Statistic (base)

-- Q --

q Terminate an R Session (base)
qbeta The Beta Distribution (base)
qbinom The Binomial Distribution (base)
qcauchy The Cauchy Distribution (base)
qchisq The (non-central) Chi-Squared Distribution (base)
qexp The Exponential Distribution (base)
qf The F Distribution (base)
qgamma The Gamma Distribution (base)
qgeom The Geometric Distribution (base)
qhyper The Hypergeometric Distribution (base)
qlnorm The Log Normal Distribution (base)
qlogis The Logistic Distribution (base)
qnbinom The Negative Binomial Distribution (base)
qnchisq Defunct Functions (base)
qnorm The Normal Distribution (base)
qpois The Poisson Distribution (base)
qqline Quantile-Quantile Plots (base)
qqnorm Quantile-Quantile Plots (base)
qqplot Quantile-Quantile Plots (base)
qr The QR Decomposition of a Matrix (base)
QR.Auxiliaries Reconstruct the Q, R, or X Matrices from a QR Object (base)
qr.coef The QR Decomposition of a Matrix (base)
qr.fitted The QR Decomposition of a Matrix (base)
qr.Q Reconstruct the Q, R, or X Matrices from a QR Object (base)
qr.qty The QR Decomposition of a Matrix (base)
qr.qy The QR Decomposition of a Matrix (base)
qr.R Reconstruct the Q, R, or X Matrices from a QR Object (base)
qr.resid The QR Decomposition of a Matrix (base)
qr.solve The QR Decomposition of a Matrix (base)
qr.X Reconstruct the Q, R, or X Matrices from a QR Object (base)
qsignrank Distribution of the Wilcoxon Signed Rank Statistic (base)
qt The Student t Distribution (base)
qtukey The Studentized Range Distribution (base)
quade.test Quade Test (ctest)
quakes Locations of Earthquakes off Fiji (base)
quantile Sample Quantiles (base)
quasi Family Objects for Models (base)
quasibinomial Family Objects for Models (base)
quasipoisson Family Objects for Models (base)
quit Terminate an R Session (base)
qunif The Uniform Distribution (base)
quote Substituting and Quoting Expressions (base)
qweibull The Weibull Distribution (base)
qwilcox Distribution of the Wilcoxon Rank Sum Statistic (base)

-- R --

R.home Return the R Home Directory (base)
R.Version Version Information (base)
R.version Version Information (base)
rainbow Color Palettes (base)
Random Random Number Generation (base)
Random.user User-supplied Random Number Generation (base)
randu Random Numbers from Congruential Generator (base)
range Range of Values (base)
rank Sample Ranks (base)
rbeta The Beta Distribution (base)
rbind Combine R Objects by Rows or Columns (base)
rbinom The Binomial Distribution (base)
rcauchy The Cauchy Distribution (base)
rchisq The (non-central) Chi-Squared Distribution (base)
Rd2dvi Utilities for Processing Rd Files (base)
Rd2txt Utilities for Processing Rd Files (base)
Rdconv Utilities for Processing Rd Files (base)
Rdindex Utilities for Processing Rd Files (base)
RdUtils Utilities for Processing Rd Files (base)
Re Complex Vectors (base)
read.csv Data Input (base)
read.csv2 Data Input (base)
read.delim Data Input (base)
read.delim2 Data Input (base)
read.ftable Flat Contingency Tables (base)
read.fwf Read Fixed Width Format Files (base)
read.socket Read from or Write to a Socket (base)
read.table Data Input (base)
read.table.url Read Data and Code from a URL (base)
readBin Transfer Binary Data To and From Connections (base)
readline Read a Line from the Terminal (base)
readLines Read Text Lines from a Connection (base)
real Real Vectors (base)
Recall Recursive Calling (base)
recordPlot Record and Replay Plots (base)
rect Draw a Rectangle (base)
rect.hclust Draw Rectangles Around Hierarchical Clusters (mva)
reformulate Modify Terms Objects (base)
regexpr Pattern Matching and Replacement (base)
relevel Reorder Levels of Factor (base)
REMOVE Remove Add-on Packages (base)
remove Remove Objects from a Specified Environment (base)
rep Replicate Elements (base)
repeat Control Flow (base)
replace Replace Values in a Vector (base)
replayPlot Record and Replay Plots (base)
replications Number of Replications of Terms (base)
require Loading and Listing of Packages (base)
reshapeLong Reshape data frame to long format (base)
reshapeWide Reshape data frame to wide format (base)
resid Extract Model Residuals (base)
residuals Extract Model Residuals (base)
residuals.glm Accessing Generalized Linear Model Fits (base)
residuals.lm Accessing Linear Model Fits (base)
residuals.lqs Resistant Regression (lqs)
residuals.nls Nonlinear Least Squares (nls)
residuals.tukeyline Robust Line Fitting (eda)
restart Restart an Expression (base)
return Function Definition (base)
rev Reverse a Vector's Elements (base)
rexp The Exponential Distribution (base)
rf The F Distribution (base)
rgamma The Gamma Distribution (base)
rgb RGB Color Specification (base)
rgeom The Geometric Distribution (base)
RHOME R Home Directory (base)
rhyper The Hypergeometric Distribution (base)
rivers Lengths of Major North American Rivers (base)
rle Run Length Encoding (base)
rlnorm The Log Normal Distribution (base)
rlogis The Logistic Distribution (base)
rm Remove Objects from a Specified Environment (base)
rnbinom The Negative Binomial Distribution (base)
rnchisq Defunct Functions (base)
RNG Random Number Generation (base)
RNGkind Random Number Generation (base)
rnorm The Normal Distribution (base)
rock Measurements on Petroleum Rock Samples (modreg)
Round Rounding of Numbers (base)
round Rounding of Numbers (base)
row Row Indexes (base)
row.names Data Frames (base)
row/colnames Row and Columnn Names (base)
rownames Row and Columnn Names (base)
rowsum Give Row Sums of a Matrix, Based on a Grouping Variable (base)
rpois The Poisson Distribution (base)
Rprof Enable Profiling of R's Execution (base)
Rprofile Initialization at Start of an R Session (base)
rsignrank Distribution of the Wilcoxon Signed Rank Statistic (base)
rstandard Regression Diagnostics (base)
rstudent Regression Diagnostics (base)
rt The Student t Distribution (base)
rug Add a Rug to a Plot (base)
runif The Uniform Distribution (base)
rweibull The Weibull Distribution (base)
rwilcox Distribution of the Wilcoxon Rank Sum Statistic (base)
R_HOME R Home Directory (base)
R_LIBS Loading and Listing of Packages (base)

-- S --

sample Random Samples and Permutations (base)
sapply Apply a Function over a List or Vector (base)
save Save R Objects (base)
save.plot Defunct Functions (base)
savehistory Load or Save or Display the Commands History (base)
scale Scaling and Centering of Matrix-like Objects (base)
scan Read Data Values (base)
scan.url Read Data and Code from a URL (base)
scatter.smooth Scatter Plot with Smooth Curve Fitted by Loess (modreg)
screen Creating and Controlling Multiple Screens on a Single Device (base)
screeplot Principal Components Analysis (mva)
sd Standard Deviation (base)
Sd2Rd Utilities for Processing Rd Files (base)
se.aov Internal Functions Used by model.tables (base)
se.aovlist Internal Functions Used by model.tables (base)
se.contrast Standard Errors for Contrasts in Model Terms (base)
search Give Search Path for R Objects (base)
searchpaths Give Search Path for R Objects (base)
seek Functions to Manipulate Connections (base)
segments Add Line Segments to a Plot (base)
selfStart Construct Self-starting Nonlinear Models (nls)
selfStart.default Construct Self-starting Nonlinear Models (nls)
selfStart.formula Construct Self-starting Nonlinear Models (nls)
seq Sequence Generation (base)
sequence Create A Vector of Sequences (base)
set.seed Random Number Generation (base)
setdiff Set Operations (base)
setequal Set Operations (base)
setNames Set the Names in an Object (nls)
sets Set Operations (base)
setwd Get or Set Working Directory (base)
shapiro.test Shapiro-Wilk Normality Test (ctest)
SHLIB Build Shared Library for Dynamic Loading (base)
show.data Data Sets (base)
showConnections Display Connections (base)
sign Sign Function (base)
Signals Interrupting Execution of R (base)
signif Rounding of Numbers (base)
SignRank Distribution of the Wilcoxon Signed Rank Statistic (base)
simpleLoess Internal modreg functions (modreg)
sin Trigonometric Functions (base)
single Double Precision Vectors (base)
sinh Hyperbolic Functions (base)
sink Send R Output to a File (base)
sleep Students' Sleep Data (base)
smooth Median Smoothing (eda)
smooth.spline Fit a Smoothing Spline (modreg)
solve Solve a System of Equations (base)
sort Sort a Vector (base)
sort.list Ordering Permutation (base)
sortedXyData Create a sortedXyData object (nls)
source Redirect Input (base)
source.url Read Data and Code from a URL (base)
spec Spectral Density Estimation (ts)
spec.ar Estimate Spectral Density of a Time Series from AR Fit (ts)
spec.pgram Estimate Spectral Density of a Time Series from Smoothed Periodogram (ts)
spec.taper Taper a Time Series (ts)
Special Special Functions of Mathematics (base)
spectrum Spectral Density Estimation (ts)
spline Interpolating Splines (base)
spline.des Design Matrix for B-splines (splines)
splineDesign Design Matrix for B-splines (splines)
splinefun Interpolating Splines (base)
splineKnots Knot Vector from a Spline (splines)
splineOrder Determine the Order of a Spline (splines)
split Divide into Groups (base)
split.screen Creating and Controlling Multiple Screens on a Single Device (base)
sqrt Miscellaneous Mathematical Functions (base)
SSasymp Asymptotic Regression Model (nls)
SSasympOff Asymptotic Regression Model with an Offset (nls)
SSasympOrig Asymptotic Regression Model through the Origin (nls)
SSbiexp Biexponential model (nls)
SSfol First-order Compartment Model (nls)
SSfpl Four-parameter Logistic Model (nls)
SSlogis Logistic Model (nls)
SSmicmen Michaelis-Menten Model (nls)
stack Stack or Unstack Vectors from a Data Frame or List (base)
stack.loss Brownlee's Stack Loss Plant Data (base)
stack.x Brownlee's Stack Loss Plant Data (base)
stackloss Brownlee's Stack Loss Plant Data (base)
stars Star Plots and Segment Diagrams of Multivariate Data (base)
start Encode the Terminal Times of Time Series (base)
Startup Initialization at Start of an R Session (base)
stat.anova GLM Anova Statistics (base)
state States of the U.S.A. (base)
stderr Display Connections (base)
stdin Display Connections (base)
stdout Display Connections (base)
stem Stem-and-Leaf Plots (base)
step Choose a model by AIC in a Stepwise Algorithm (base)
stepfun Step Functions (stepfun)
stl Seasonal Decomposition of Time Series by Loess (ts)
stop Stop Function Execution (base)
stopifnot Ensure the "Truth" of R Expressions (base)
storage.mode The (Storage) Mode of an Object (base)
str Compactly Display the Structure of an Arbitrary R Object (base)
strftime Date-time Conversion Functions to and from Character (base)
strheight Plotting Dimensions of Character Strings and Math Expressions (base)
stripplot 1-D Scatter Plots (base)
strptime Date-time Conversion Functions to and from Character (base)
strsplit Split the Elements of a Character Vector (base)
structure Attribute Specification (base)
strwidth Plotting Dimensions of Character Strings and Math Expressions (base)
sub Pattern Matching and Replacement (base)
Subscript Extract or Replace Parts of an Object (base)
subset Subsetting Vectors and Data Frames (base)
substitute Substituting and Quoting Expressions (base)
substr Extract Substrings from a Character Vector (base)
substring Extract Substrings from a Character Vector (base)
sum Sum of Vector Elements (base)
Summary Internal and Group Methods and Generic Functions (base)
summary Object Summaries (base)
summary.aov Fit an Analysis of Variance Model (base)
summary.aovlist Fit an Analysis of Variance Model (base)
summary.connection Functions to Manipulate Connections (base)
Summary.data.frame Internal and Group Methods and Generic Functions (base)
summary.data.frame Object Summaries (base)
summary.default Object Summaries (base)
summary.ecdf Empirical Cumulative Distribution Function (stepfun)
Summary.factor Internal and Group Methods and Generic Functions (base)
summary.factor Object Summaries (base)
summary.glm Accessing Generalized Linear Model Fits (base)
summary.infl Regression Diagnostics (base)
summary.lm Accessing Linear Model Fits (base)
summary.loess Local Polynomial Regression Fitting (modreg)
summary.manova Multivariate Analysis of Variance (base)
summary.matrix Object Summaries (base)
summary.mlm Accessing Linear Model Fits (base)
summary.nls Nonlinear Least Squares (nls)
Summary.POSIXct Date-Time Classes (base)
summary.POSIXct Date-Time Classes (base)
Summary.POSIXlt Date-Time Classes (base)
summary.POSIXlt Date-Time Classes (base)
summary.ppr Projection Pursuit Regression (modreg)
summary.prcomp Principal Components Analysis (mva)
summary.princomp Principal Components Analysis (mva)
summary.stepfun Step Functions (stepfun)
summary.tukeysmooth Median Smoothing (eda)
summary.xtabs Cross Tabulation (base)
sunflowerplot Produce a Sunflower Scatter Plot (base)
sunspot Yearly Sunspot Data, 1700-1988. Monthly Sunspot Data, 1749-1997. (ts)
sunspots Monthly Sunspot Numbers, 1749-1983 (base)
supsmu Friedman's SuperSmoother (modreg)
svd Singular Value Decomposition of a Matrix (base)
sweep Sweep out Array Summaries (base)
swiss Swiss Fertility and Socioeconomic Indicators (1888) Data (base)
switch Select One of a List of Alternatives (base)
symbol.C Foreign Function Interface (base)
symbol.For Foreign Function Interface (base)
symbols Draw symbols on a plot (base)
symnum Symbolic Number Coding (base)
sys.call Functions to Access the Function Call Stack (base)
sys.calls Functions to Access the Function Call Stack (base)
sys.frame Functions to Access the Function Call Stack (base)
sys.frames Functions to Access the Function Call Stack (base)
sys.function Functions to Access the Function Call Stack (base)
Sys.getenv Get Environment Variables (base)
Sys.getlocale Query or Set Aspects of the Locale (base)
Sys.info Extract System and User Information (base)
Sys.localeconv Find Details of the Numerical Representations in the Current Locale (base)
sys.nframe Functions to Access the Function Call Stack (base)
sys.on.exit Functions to Access the Function Call Stack (base)
sys.parent Functions to Access the Function Call Stack (base)
sys.parents Functions to Access the Function Call Stack (base)
Sys.putenv Set Environment Variables (base)
Sys.setlocale Query or Set Aspects of the Locale (base)
Sys.sleep Suspend Execution for a Time Interval (base)
sys.source Parse and Evaluate Expressions from a File (base)
sys.status Functions to Access the Function Call Stack (base)
Sys.time Get Current Time and Timezone (base)
Sys.timezone Get Current Time and Timezone (base)
system Invoke a System Command (base)
system.file Find Names of R System Files (base)
system.test Defunct Functions (base)
system.time CPU Time Used (base)

-- T --

T Logical Vectors (base)
t Matrix Transpose (base)
t.test Student's t-Test (ctest)
table Cross Tabulation (base)
tabulate Tabulation for Vectors (base)
tan Trigonometric Functions (base)
tanh Hyperbolic Functions (base)
tapply Apply a Function Over a ``Ragged'' Array (base)
TclInterface Low-level Tcl/Tk Interface (tcltk)
tclRequire Low-level Tcl/Tk Interface (tcltk)
tclvar Low-level Tcl/Tk Interface (tcltk)
TDist The Student t Distribution (base)
tempfile Create Names for Temporary Files (base)
termplot Plot regression terms (base)
terms Model Terms (base)
terms.formula A function to construct a terms object from a formula. (base)
terms.object Description of Terms Objects (base)
terms.terms Model Terms (base)
terrain.colors Color Palettes (base)
tetragamma Special Functions of Mathematics (base)
text Add Text to a Plot (base)
textConnection Text Connections (base)
Theoph Pharmacokinetics of theophylline (nls)
time Sampling Times of Time Series (base)
Titanic Survival of passengers on the Titanic (base)
title Plot Annotation (base)
tkactivate Tk widget commands (tcltk)
tkadd Tk widget commands (tcltk)
tkaddtag Tk widget commands (tcltk)
tkbbox Tk widget commands (tcltk)
tkbell Tk non-widget commands (tcltk)
tkbind Tk non-widget commands (tcltk)
tkbindtags Tk non-widget commands (tcltk)
tkbutton Tk widgets (tcltk)
tkcanvas Tk widgets (tcltk)
tkcanvasx Tk widget commands (tcltk)
tkcanvasy Tk widget commands (tcltk)
tkcget Tk widget commands (tcltk)
tkcheckbutton Tk widgets (tcltk)
tkclipboard.append Tk non-widget commands (tcltk)
tkclipboard.clear Tk non-widget commands (tcltk)
tkcmd Tk non-widget commands (tcltk)
TkCommands Tk non-widget commands (tcltk)
tkcompare Tk widget commands (tcltk)
tkconfigure Tk widget commands (tcltk)
tkcoords Tk widget commands (tcltk)
tkcreate Tk widget commands (tcltk)
tkcurselection Tk widget commands (tcltk)
tkdchars Tk widget commands (tcltk)
tkdebug Tk widget commands (tcltk)
tkdelete Tk widget commands (tcltk)
tkdelta Tk widget commands (tcltk)
tkdeselect Tk widget commands (tcltk)
tkdestroy Low-level Tcl/Tk Interface (tcltk)
tkdlineinfo Tk widget commands (tcltk)
tkdtag Tk widget commands (tcltk)
tkdump Tk widget commands (tcltk)
tkentry Tk widgets (tcltk)
tkentrycget Tk widget commands (tcltk)
tkentryconfigure Tk widget commands (tcltk)
tkevent.add Tk non-widget commands (tcltk)
tkevent.delete Tk non-widget commands (tcltk)
tkevent.generate Tk non-widget commands (tcltk)
tkevent.info Tk non-widget commands (tcltk)
tkfind Tk widget commands (tcltk)
tkflash Tk widget commands (tcltk)
tkfocus Tk non-widget commands (tcltk)
tkfont.actual Tk non-widget commands (tcltk)
tkfont.configure Tk non-widget commands (tcltk)
tkfont.create Tk non-widget commands (tcltk)
tkfont.delete Tk non-widget commands (tcltk)
tkfont.families Tk non-widget commands (tcltk)
tkfont.measure Tk non-widget commands (tcltk)
tkfont.metrics Tk non-widget commands (tcltk)
tkfont.names Tk non-widget commands (tcltk)
tkfraction Tk widget commands (tcltk)
tkframe Tk widgets (tcltk)
tkget Tk widget commands (tcltk)
tkgettags Tk widget commands (tcltk)
tkgrab Tk non-widget commands (tcltk)
tkgrid Tk non-widget commands (tcltk)
tkicursor Tk widget commands (tcltk)
tkidentify Tk widget commands (tcltk)
tkimage.cget Tk widget commands (tcltk)
tkimage.configure Tk widget commands (tcltk)
tkimage.create Tk widget commands (tcltk)
tkimage.names Tk widget commands (tcltk)
tkindex Tk widget commands (tcltk)
tkinsert Tk widget commands (tcltk)
tkinvoke Tk widget commands (tcltk)
tkitembind Tk widget commands (tcltk)
tkitemcget Tk widget commands (tcltk)
tkitemconfigure Tk widget commands (tcltk)
tkitemfocus Tk widget commands (tcltk)
tkitemlower Tk widget commands (tcltk)
tkitemraise Tk widget commands (tcltk)
tkitemscale Tk widget commands (tcltk)
tklabel Tk widgets (tcltk)
tklistbox Tk widgets (tcltk)
tklower Tk non-widget commands (tcltk)
tkmark.gravity Tk widget commands (tcltk)
tkmark.names Tk widget commands (tcltk)
tkmark.next Tk widget commands (tcltk)
tkmark.previous Tk widget commands (tcltk)
tkmark.set Tk widget commands (tcltk)
tkmark.unset Tk widget commands (tcltk)
tkmenu Tk widgets (tcltk)
tkmenubutton Tk widgets (tcltk)
tkmessage Tk widgets (tcltk)
tkmove Tk widget commands (tcltk)
tknearest Tk widget commands (tcltk)
tkpack Tk non-widget commands (tcltk)
tkpager Page file using Tk text widget (tcltk)
tkplace Tk non-widget commands (tcltk)
tkpost Tk widget commands (tcltk)
tkpostcascade Tk widget commands (tcltk)
tkpostscript Tk widget commands (tcltk)
tkradiobutton Tk widgets (tcltk)
tkraise Tk non-widget commands (tcltk)
tkscale Tk widgets (tcltk)
tkscan.dragto Tk widget commands (tcltk)
tkscan.mark Tk widget commands (tcltk)
tkscrollbar Tk widgets (tcltk)
tksearch Tk widget commands (tcltk)
tksee Tk widget commands (tcltk)
tkselect Tk widget commands (tcltk)
tkselection.adjust Tk widget commands (tcltk)
tkselection.anchor Tk widget commands (tcltk)
tkselection.clear Tk widget commands (tcltk)
tkselection.from Tk widget commands (tcltk)
tkselection.includes Tk widget commands (tcltk)
tkselection.present Tk widget commands (tcltk)
tkselection.range Tk widget commands (tcltk)
tkselection.set Tk widget commands (tcltk)
tkselection.to Tk widget commands (tcltk)
tkset Tk widget commands (tcltk)
tksize Tk widget commands (tcltk)
tktag.add Tk widget commands (tcltk)
tktag.bind Tk widget commands (tcltk)
tktag.cget Tk widget commands (tcltk)
tktag.configure Tk widget commands (tcltk)
tktag.delete Tk widget commands (tcltk)
tktag.lower Tk widget commands (tcltk)
tktag.names Tk widget commands (tcltk)
tktag.nextrange Tk widget commands (tcltk)
tktag.prevrange Tk widget commands (tcltk)
tktag.raise Tk widget commands (tcltk)
tktag.ranges Tk widget commands (tcltk)
tktag.remove Tk widget commands (tcltk)
tktext Tk widgets (tcltk)
tktitle Tk non-widget commands (tcltk)
tktoggle Tk widget commands (tcltk)
tktoplevel Tk widgets (tcltk)
tktype Tk widget commands (tcltk)
tkunpost Tk widget commands (tcltk)
tkwait.variable Tk non-widget commands (tcltk)
tkwait.visibility Tk non-widget commands (tcltk)
tkwait.window Tk non-widget commands (tcltk)
tkwidget Tk widgets (tcltk)
TkWidgetcmds Tk widget commands (tcltk)
TkWidgets Tk widgets (tcltk)
tkwindow.cget Tk widget commands (tcltk)
tkwindow.configure Tk widget commands (tcltk)
tkwindow.create Tk widget commands (tcltk)
tkwindow.names Tk widget commands (tcltk)
tkwinfo Tk non-widget commands (tcltk)
tkwm.aspect Tk non-widget commands (tcltk)
tkwm.client Tk non-widget commands (tcltk)
tkwm.colormapwindows Tk non-widget commands (tcltk)
tkwm.command Tk non-widget commands (tcltk)
tkwm.deiconify Tk non-widget commands (tcltk)
tkwm.focusmodel Tk non-widget commands (tcltk)
tkwm.frame Tk non-widget commands (tcltk)
tkwm.geometry Tk non-widget commands (tcltk)
tkwm.grid Tk non-widget commands (tcltk)
tkwm.group Tk non-widget commands (tcltk)
tkwm.iconbitmap Tk non-widget commands (tcltk)
tkwm.iconify Tk non-widget commands (tcltk)
tkwm.iconmask Tk non-widget commands (tcltk)
tkwm.iconname Tk non-widget commands (tcltk)
tkwm.iconposition Tk non-widget commands (tcltk)
tkwm.iconwindow Tk non-widget commands (tcltk)
tkwm.maxsize Tk non-widget commands (tcltk)
tkwm.minsize Tk non-widget commands (tcltk)
tkwm.overrideredirect Tk non-widget commands (tcltk)
tkwm.positionfrom Tk non-widget commands (tcltk)
tkwm.protocol Tk non-widget commands (tcltk)
tkwm.resizable Tk non-widget commands (tcltk)
tkwm.sizefrom Tk non-widget commands (tcltk)
tkwm.state Tk non-widget commands (tcltk)
tkwm.title Tk non-widget commands (tcltk)
tkwm.transient Tk non-widget commands (tcltk)
tkwm.withdraw Tk non-widget commands (tcltk)
tkXselection.clear Tk non-widget commands (tcltk)
tkXselection.get Tk non-widget commands (tcltk)
tkXselection.handle Tk non-widget commands (tcltk)
tkXselection.own Tk non-widget commands (tcltk)
tkxview Tk widget commands (tcltk)
tkyposition Tk widget commands (tcltk)
tkyview Tk widget commands (tcltk)
toeplitz Form Symmetric Toeplitz Matrix (ts)
tolower Character Translation (base)
ToothGrowth The Effect of Vitamin C on Tooth Growth in Guinea Pigs (base)
topo.colors Color Palettes (base)
toString toString Converts its Argument to a Character String (base)
toupper Character Translation (base)
trace Trace All Calls to a Function. (base)
traceback Print Call Stack of Last Error (base)
transform Transform an Object, e.g. a Data Frame (base)
treering Yearly Treering Data, -6000-1979. (ts)
trees Girth, Height and Volume for Black Cherry Trees (base)
Trig Trigonometric Functions (base)
trigamma Special Functions of Mathematics (base)
TRUE Logical Vectors (base)
trunc Rounding of Numbers (base)
try Restart an Expression (base)
ts Time-Series Objects (base)
ts-internal Internal ts functions (ts)
ts.intersect Bind Two or More Time Series (ts)
ts.plot Plot Multiple Time Series (ts)
ts.union Bind Two or More Time Series (ts)
tsp Tsp Attribute of Time-Series-like Objects (base)
Tukey The Studentized Range Distribution (base)
typeof The Type of an Object (base)

-- U --

UCBAdmissions Student Admissions at UC Berkeley (base)
UKDriverDeaths Deaths of Car Drivers in Great Britain 1969-84 (ts)
UKLungDeaths Monthly Deaths from Lung Diseases in the UK (ts)
unclass Object Classes (base)
undebug Debug a function (base)
undoc Find Undocumented Objects (base)
Uniform The Uniform Distribution (base)
union Set Operations (base)
unique Extract Unique Elements (base)
uniroot One Dimensional Root (Zero) Finding (base)
units Graphical Units (base)
unix Invoke a System Command (base)
unix.time CPU Time Used (base)
unlink Delete Files and Directories (base)
unlist Flatten Lists (base)
unname Remove `names' or `dimnames' (base)
unstack Stack or Unstack Vectors from a Data Frame or List (base)
untrace Trace All Calls to a Function. (base)
update Update and Re-fit a Model Call (base)
update.formula Model Updating (base)
update.packages Download Packages from CRAN (base)
upper.tri Lower and Upper Triangular Part of a Matrix (base)
url.show Read Data and Code from a URL (base)
USAccDeaths Accidental Deaths in the US 1973-1978 (ts)
USArrests Violent Crime Rates by US State (base)
UseMethod Class Methods (base)
USJudgeRatings Lawyers' Ratings of State Judges in the US Superior Court (base)
USPersonalExpenditure Personal Expenditure Data (base)
uspop The Population of the United States (base)

-- V --

VADeaths Death Rate Data (base)
var Correlation, Variance and Covariance (Matrices) (base)
var.test F Test to Compare Two Variances (ctest)
variable.names Case and Variable Names of Fitted Models (base)
varimax Rotation Methods for Factor Analysis (mva)
vector Vectors (base)
Version Defunct Functions (base)
version Version Information (base)
vi Invoke a Text Editor (base)
volcano Topographic Information for the Maunga Whau Volcano (base)

-- W --

warning Warning Messages (base)
warnings Print Warning Messages (base)
warpbreaks The Number of Breaks in Yarn during Weaving (base)
Weibull The Weibull Distribution (base)
weighted.mean Weighted Arithmetic Mean (base)
weighted.residuals Compute Weighted Residuals (base)
weights Accessing Linear Model Fits (base)
weights.glm Fitting Generalized Linear Models (base)
weights.lm Accessing Linear Model Fits (base)
weights.nls Nonlinear Least Squares (nls)
which Which indices are TRUE ? (base)
which.max Where is the Min() or Max() ? (base)
which.min Where is the Min() or Max() ? (base)
while Control Flow (base)
wilcox.test Wilcoxon Rank Sum and Signed Rank Tests (ctest)
Wilcoxon Distribution of the Wilcoxon Rank Sum Statistic (base)
window Time Windows (base)
women Average Heights and Weights for American Women (base)
write Write Data to a File (base)
write.ftable Flat Contingency Tables (base)
write.socket Read from or Write to a Socket (base)
write.table Data Output (base)
writeBin Transfer Binary Data To and From Connections (base)
writeLines Write Lines to a Connection (base)

-- X --

X11 X Window System Graphics (base)
x11 X Window System Graphics (base)
xedit Invoke a Text Editor (base)
xemacs Invoke a Text Editor (base)
xfig XFig Graphics Device (base)
xinch Graphical Units (base)
xor Logical Operators (base)
xpdrows.data.frame Data Frames (base)
xtabs Cross Tabulation (base)
xy.coords Extracting Plotting Structures (base)
xyinch Graphical Units (base)
xyVector Construct an xyVector Object (splines)
xyz.coords Extracting Plotting Structures (base)

-- Y --

yinch Graphical Units (base)

-- Z --

zapsmall Rounding of Numbers (base)
zip.file.extract Extract File from a Zip Archive (base)