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

! Logical Operators (base)
!= Relational Operators (base)
$ Extract or Replace Parts of an Object (base)
$<- Extract or Replace Parts of an Object (base)
%% Arithmetic Operators (base)
%*% Matrix Multiplication (base)
%/% Arithmetic Operators (base)
%in% Value Matching (base)
%o% Outer Product of Arrays (base)
%x% Kronecker Product of Arrays (base)
& Logical Operators (base)
&& Logical Operators (base)
* Arithmetic Operators (base)
+ Arithmetic Operators (base)
- Arithmetic Operators (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.value Value of Last Evaluated Expression (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)
.Pars.readonly Set or Query Graphical Parameters (base)
.Platform Platform Specific Variables (base)
.PostScript.Options PostScript Graphics (base)
.Primitive Call a ``Primitive'' Internal Function (base)
.Provided Loading and Listing of Packages (base)
.Random.seed Random Number Generation (base)
.Rprofile Initialization at Start of an R Session (base)
.Traceback Print Call Stack of Last Error (base)
/ Arithmetic Operators (base)
: Sequence Generation (base)
< Relational Operators (base)
<- Assign a Value to a Name (base)
<<- Assign a Value to a Name (base)
<= Relational Operators (base)
== Relational Operators (base)
> Relational Operators (base)
>= Relational Operators (base)
? Documentation (base)
[ Extract or Replace Parts of an Object (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)
[.ts Extract or Replace Parts of an Object (base)
[.tskernel Smoothing Kernel Objects (ts)
[<- Extract or Replace Parts of an Object (base)
[<-.data.frame Extract or Replace Parts of an Object (base)
[<-.factor Extract or Replace Parts of an Object (base)
[<-.noquote Extract or Replace Parts of an Object (base)
[[ Extract or Replace Parts of an Object (base)
[[.data.frame Extract or Replace Parts of an Object (base)
[[<- Extract or Replace Parts of an Object (base)
[[<-.data.frame Extract or Replace Parts of an Object (base)
^ Arithmetic Operators (base)
| Logical Operators (base)
|| Logical Operators (base)
~ Model Formulae (base)

-- A --

abbreviate Abbreviate Strings (base)
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)
add1.default Add or Drop All Possible Single Terms to a Model (base)
add1.glm Add or Drop All Possible Single Terms to a Model (base)
add1.lm Add or Drop All Possible Single Terms to a Model (base)
add1.mlm Add or Drop All Possible Single Terms to a Model (base)
aggregate Compute Summary Statistics of Data Subsets (base)
aggregate.data.frame Compute Summary Statistics of Data Subsets (base)
aggregate.default Compute Summary Statistics of Data Subsets (base)
aggregate.ts 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)
alias.formula Find Aliases (Dependencies) in a Model (base)
alias.lm 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.character Test if Two Objects are (Nearly) Equal (base)
all.equal.default Test if Two Objects are (Nearly) Equal (base)
all.equal.factor Test if Two Objects are (Nearly) Equal (base)
all.equal.formula Test if Two Objects are (Nearly) Equal (base)
all.equal.language Test if Two Objects are (Nearly) Equal (base)
all.equal.list Test if Two Objects are (Nearly) Equal (base)
all.equal.numeric Test if Two Objects are (Nearly) Equal (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 Accessing Generalized Linear Model Fits (base)
anova.glm.null Accessing Generalized Linear Model Fits (base)
anova.glmlist Accessing Generalized Linear Model Fits (base)
anova.lm Accessing Linear Model Fits (base)
anova.lm.null Accessing Linear Model Fits (base)
anova.loess Local Polynomial Regression Fitting (modreg)
anova.mlm Anova Tables (base)
anovalist.lm Accessing Linear Model Fits (base)
ansari.test Ansari-Bradley Test (ctest)
anscombe Anscombe's Quartet of ``Identical'' Simple Linear Regressions (base)
any Are 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.burg.default Fit Autoregressive Models to Time Series (ts)
ar.burg.mts 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)
ar.yw.default Fit Autoregressive Models to Time Series (ts)
ar.yw.mts 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)
arima0.diag 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.char.or.expr Coerce to Character or Expression (base)
as.character Character Vectors (base)
as.character.default Character Vectors (base)
as.complex Complex Vectors (base)
as.complex.default Complex Vectors (base)
as.data.frame Data Frames (base)
as.data.frame.AsIs Data Frames (base)
as.data.frame.character Data Frames (base)
as.data.frame.complex Data Frames (base)
as.data.frame.data.frame Data Frames (base)
as.data.frame.default Data Frames (base)
as.data.frame.factor Data Frames (base)
as.data.frame.integer Data Frames (base)
as.data.frame.list Data Frames (base)
as.data.frame.logical Data Frames (base)
as.data.frame.matrix Data Frames (base)
as.data.frame.model.matrix Data Frames (base)
as.data.frame.numeric Data Frames (base)
as.data.frame.ordered Data Frames (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.dist Distance Matrix Computation (mva)
as.double Double Precision Vectors (base)
as.double.default Double Precision Vectors (base)
as.expression Unevaluated Expressions (base)
as.expression.default Unevaluated Expressions (base)
as.factor Factors (base)
as.formula Model Formulae (base)
as.function Convert Object to Function (base)
as.function.default Convert Object to Function (base)
as.hclust Convert Objects to Class hclust (mva)
as.hclust.twins Convert Objects to Class hclust (mva)
as.integer Integer Vectors (base)
as.integer.default Integer Vectors (base)
as.list Lists -- Generic and Dotted Pairs (base)
as.list.data.frame Lists -- Generic and Dotted Pairs (base)
as.list.default Lists -- Generic and Dotted Pairs (base)
as.logical Logical Vectors (base)
as.logical.default Logical Vectors (base)
as.matrix Matrices (base)
as.matrix.data.frame Matrices (base)
as.matrix.default Matrices (base)
as.matrix.dist Distance Matrix Computation (mva)
as.matrix.noquote Class for ``no quote'' Printing of Strings (base)
as.name Variable Names (base)
as.null The Null Object (base)
as.null.default 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.qr The QR Decomposition of a Matrix (base)
as.real Real Vectors (base)
as.single Double Precision Vectors (base)
as.single.default Double Precision Vectors (base)
as.ts Time-Series Objects (base)
as.vector Vectors (base)
as.vector.factor 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)
asVector Coerce an Object to a Vector (splines)
asVector.xyVector 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)
attr<- Object Attributes (base)
attributes Object Attribute Lists (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)

-- B --

backsolve Solve an Upper or Lower Triangular System (base)
backSpline Monotone Inverse Spline (splines)
backSpline.nbSpline Monotone Inverse Spline (splines)
backSpline.npolySpline Monotone Inverse Spline (splines)
bandwidth.kernel Smoothing Kernel Objects (ts)
barplot Bar Plots (base)
barplot.default 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)
biplot.default Biplot of Multivariate Data (mva)
biplot.princomp Biplot for Principal Components (mva)
BJsales Sales Data with Leading Indicator. (ts)
BJsales.lead Sales Data with Leading Indicator. (ts)
BOD Biochemical Oxygen Demand (nls)
body Access to and Manipulation of the Body of a Function (base)
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)
boxplot.default Box Plots (base)
boxplot.formula Formula Notation for Boxplots (base)
boxplot.stats Box Plot Statistics (base)
break Control Flow (base)
browser Environment Browser (base)
bs Generate a Basis for Polynomial Splines (splines)
bug.report Send a Bug Report (base)
builtins Returns the names of all built-in objects (base)
bxp Box Plots from Summaries (base)

-- C --

C Sets Contrasts for a Factor (base)
c Combine Values into a Vector or List (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.names.default Case and Variable Names of Fitted Models (base)
case.names.lm 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 Columns/Rows into a Matrix (base)
cbind.data.frame Combine Columns/Rows into a Matrix (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)
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-square Test for Count Data (ctest)
Chisquare The (non-central) Chi-Square 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)
class<- Object Classes (base)
clearNames Remove the Names from an Object (nls)
close.screen Creating and Controlling Multiple Screens on a Single Device (base)
close.socket Close a Socket (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)
codes.factor Factor Codes (base)
codes.ordered Factor Codes (base)
codes<- Factor Codes (base)
coef Extract Model Coefficients (base)
coef.aov Extract Model Coefficients (base)
coef.default Extract Model Coefficients (base)
coef.glm Extract Model Coefficients (base)
coef.listof Extract Model Coefficients (base)
coef.lm 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)
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)
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)
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)
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 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 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.default Convert Numeric to Factor (base)
cutree Cut a tree into groups of data (mva)
cycle Sampling Times of Time Series (base)
cycle.default Sampling Times of Time Series (base)
cycle.ts 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)
dbeta The Beta Distribution (base)
dbinom The Binomial Distribution (base)
dcauchy The Cauchy Distribution (base)
dchisq The (non-central) Chi-Square Distribution (base)
de Spreadsheet Interface for Entering Data (base)
de.ncols Spreadsheet Interface for Entering Data (base)
de.restore Spreadsheet Interface for Entering Data (base)
de.setup Spreadsheet Interface for Entering Data (base)
debug Debug a function (base)
Defunct Defunct Functions (base)
delay Delay Evaluation (base)
delete.response Modify Terms Objects (base)
deltat Sampling Times of Time Series (base)
deltat.default Sampling Times of Time Series (base)
demo Demonstrations of R functions (base)
density Kernel Density Estimation (base)
deparse Expression Deparsing (base)
Deprecated Deprecated Functions (base)
deriv Symbolic and Algorithmic Derivatives of Simple Expressions (base)
deriv.default Symbolic and Algorithmic Derivatives of Simple Expressions (base)
deriv.formula Symbolic and Algorithmic Derivatives of Simple Expressions (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.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 Copy Graphics Device to Bitmap File (base)
deviance Model Deviance (base)
deviance.default Model Deviance (base)
deviance.glm Model Deviance (base)
deviance.lm Model Deviance (base)
deviance.mlm Model Deviance (base)
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)
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)
diag<- Matrix Diagonals (base)
diff Lagged Differences (base)
diff.default Lagged Differences (base)
diff.ts diff Method for ts Objects (ts)
diffinv Discrete Integrals: Inverse of Differencing (ts)
diffinv.default Discrete Integrals: Inverse of Differencing (ts)
diffinv.ts Discrete Integrals: Inverse of Differencing (ts)
diffinv.vec Discrete Integrals: Inverse of Differencing (ts)
digamma Special Functions of Mathematics (base)
dim Dimensions of an Object (base)
dim.data.frame Dimensions of an Object (base)
dim<- Dimensions of an Object (base)
dimnames Dimnames of an Object (base)
dimnames.data.frame Dimnames of an Object (base)
dimnames<- Dimnames of an Object (base)
dimnames<-.data.frame 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)
drop1.default Add or Drop All Possible Single Terms to a Model (base)
drop1.glm Add or Drop All Possible Single Terms to a Model (base)
drop1.lm Add or Drop All Possible Single Terms to a Model (base)
drop1.mlm 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)
dummy.coef.aovlist Extract Coefficients in Original Coding (base)
dummy.coef.lm Extract Coefficients in Original Coding (base)
dump Text Representations of R Objects (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)
dynload Foreign Function Interface (base)

-- E --

ecdf Empirical Cumulative Distribution Function (stepfun)
edit Invoke a Text Editor (base)
edit.data.frame Edit data frames (base)
edit.default Invoke a Text Editor (base)
eff.aovlist Compute Efficiencies of Multistratum Analysis of Variance (base)
effects Effects from Fitted Model (base)
effects.glm Effects from Fitted Model (base)
effects.lm 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)
end.default Encode the Terminal Times of Time Series (base)
environment Environment Access (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)
euro.cross 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)
eval.parent 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)
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)
extractAIC.aov Extract AIC from a Fitted Model (base)
extractAIC.coxph Extract AIC from a Fitted Model (base)
extractAIC.glm Extract AIC from a Fitted Model (base)
extractAIC.lm Extract AIC from a Fitted Model (base)
extractAIC.negbin Extract AIC from a Fitted Model (base)
extractAIC.survreg Extract AIC from a Fitted Model (base)
Extremes Maxima and Minima (base)

-- F --

F Logical Vectors (base)
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 File Manipulation (base)
file.append File Manipulation (base)
file.choose Choose a File Interactively (base)
file.create File Manipulation (base)
file.exists File Manipulation (base)
file.path Construct Path to File (base)
file.remove File Manipulation (base)
file.show Display One or More Files (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.default Extract Model Fitted Values (base)
fitted.glm Extract Model Fitted Values (base)
fitted.lm Extract Model Fitted Values (base)
fitted.nls Nonlinear Least Squares (nls)
fitted.tukeyline Robust Line Fitting (eda)
fitted.values Extract Model Fitted Values (base)
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)
formals<- Access to and Manipulation of the Formal Arguments (base)
format Encode in a Common Format (base)
format.char Flexible Formatting (base)
format.default Encode in a Common Format (base)
format.info format(.) Information (base)
format.pval Encode in a Common Format (base)
formatC Flexible Formatting (base)
formula Model Formulae (base)
formula.data.frame Model Formulae (base)
formula.default Model Formulae (base)
formula.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)
frame Create / Start a New Plot Frame (base)
freeny Freeny's Revenue Data (base)
freeny.x Freeny's Revenue Data (base)
freeny.y Freeny's Revenue Data (base)
frequency Sampling Times of Time Series (base)
frequency.default Sampling Times of Time Series (base)
friedman.test Friedman Rank Sum Test (ctest)
ftable Flat Contingency Tables (base)
ftable.default Flat Contingency Tables (base)
ftable.formula Formula Notation for Flat Contingency Tables (base)
ftable2table 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)
gcinfo Garbage Collection (base)
gctorture Torture Garbage Collector (base)
Geometric The Geometric Distribution (base)
get Return a Variable's Value (base)
getenv Get Environment Variables (base)
getInitial Get Initial Parameter Estimates (nls)
getInitial.default Get Initial Parameter Estimates (nls)
getInitial.formula Get Initial Parameter Estimates (nls)
getInitial.selfStart 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.control Fitting Generalized Linear Models (base)
glm.fit 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)

-- H --

HairEyeColor Hair and Eye Color of Statistics Students (base)
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)
hist Histograms (base)
hist.default Histograms (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.default 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)
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)
interactive Is R Running Interactively? (base)
Internal Call an Internal Function (base)
interpSpline Create an Interpolation Spline (splines)
interpSpline.default Create an Interpolation Spline (splines)
interpSpline.formula 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.data.frame Not Available / ``Missing'' Values (base)
is.name Variable Names (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 Is an Object of Type Symbol? (base)
is.ts Time-Series Objects (base)
is.tskernel Smoothing Kernel Objects (ts)
is.vector Vectors (base)
islands Areas of the World's Major Landmasses (base)

-- J --

jitter Add `Jitter' (Noise) to Numbers (base)

-- K --

kappa Estimate the Condition Number (base)
kappa.default Estimate the Condition Number (base)
kappa.lm Estimate the Condition Number (base)
kappa.qr Estimate the Condition Number (base)
kappa.tri Estimate the Condition Number (base)
kernapply Apply Smoothing Kernel (ts)
kernapply.default Apply Smoothing Kernel (ts)
kernapply.ts Apply Smoothing Kernel (ts)
kernapply.tskernel Apply Smoothing Kernel (ts)
kernapply.vector Apply Smoothing Kernel (ts)
kernel Smoothing Kernel Objects (ts)
kmeans K-Means Clustering (mva)
knots Step Functions (stepfun)
knots.stepfun Step Functions (stepfun)
kronecker Kronecker Product of 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)
labels.default Find Labels from Object (base)
labels.lm Find Labels from Object (base)
labels.terms Find Labels from Object (base)
lag Lag a Time Series (ts)
lag.default Lag a Time Series (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)
layout.show 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)
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)
levels<- Levels Attributes (base)
levels<-.default 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.default Add Connected Line Segments to a Plot (base)
lines.ts Time-Series Objects (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 Fitting Linear Models (base)
lm.fit.null Fitting Linear Models (base)
lm.influence Regression Diagnostics (base)
lm.summaries Accessing Linear Model Fits (base)
lm.wfit Fitting Linear Models (base)
lm.wfit.null Fitting Linear Models (base)
lmsreg Resistant Regression (lqs)
load Reload Saved Datasets (base)
loadings Principal Components Analysis (mva)
local Evaluate an (Unevaluated) Expression (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)
log Logarithms and Exponentials (base)
log10 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)
lqs.default Resistant Regression (lqs)
lqs.formula 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 Legal R Names Out of Strings (base)
make.socket Create a Socket Connection (base)
make.tables Create model.tables (base)
make.tables.aovproj Create model.tables (base)
make.tables.aovprojlist Create model.tables (base)
mantelhaen.test Mantel-Haenszel Chi-Square 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 Miscellaneous Mathematical Functions (base)
Math.data.frame Internal and Group Methods and Generic Functions (base)
Math.factor Internal and Group Methods and Generic Functions (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)
mcnemar.test McNemar's Chi-square Test for Count Data (ctest)
mdeaths Monthly Deaths from Lung Diseases in the UK (ts)
mean Arithmetic Mean (base)
mean.default Arithmetic Mean (base)
median Median Value (base)
medpolish Median Polish of a Matrix (eda)
Memory Memory Available for Data Storage (base)
memory.profile Profile the Usage of Cons Cells (base)
menu Menu Interaction Function (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)
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.frame.aovlist Extracting the ``Environment'' of a Model Formula (base)
model.frame.default Extracting the ``Environment'' of a Model Formula (base)
model.frame.glm Extracting the ``Environment'' of a Model Formula (base)
model.frame.lm Extracting the ``Environment'' of a Model Formula (base)
model.matrix Construct Design Matrices (base)
model.matrix.default Construct Design Matrices (base)
model.matrix.glm.null Construct Design Matrices (base)
model.matrix.lm Construct Design Matrices (base)
model.matrix.lm.null 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.tables.aov Compute Tables of Results from an Aov Model Fit. (base)
model.tables.aovlist Compute Tables of Results from an Aov Model Fit. (base)
model.weights Construct Design Matrices (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)
mosaicplot Mosaic Plots (base)
mosaicplot.default Mosaic Plots (base)
mosaicplot.formula 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 --

NA Not Available / ``Missing'' Values (base)
na.action NA Action (base)
na.action.default NA Action (base)
na.contiguous NA Handling Routines for Time Series (ts)
na.fail Handle Missing Values in Objects (base)
na.fail.default Handle Missing Values in Objects (base)
na.omit Handle Missing Values in Objects (base)
na.omit.default Handle Missing Values in Objects (base)
na.omit.ts NA Handling Routines for Time Series (ts)
name Variable Names (base)
names The Names Attribute of an Object (base)
names.default The Names Attribute of an Object (base)
names.dist Distance Matrix Computation (mva)
names<- The Names Attribute of an Object (base)
names<-.default 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)
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)
nlsModel.plinear Create an nlsModel Object (nls)
NLSstAsymptotic Fit the Asymptotic Regression Model (nls)
NLSstAsymptotic.sortedXyData Fit the Asymptotic Regression Model (nls)
NLSstClosestX Inverse Interpolation (nls)
NLSstClosestX.sortedXyData Inverse Interpolation (nls)
NLSstLfAsymptote Horizontal Asymptote on the Left Side (nls)
NLSstLfAsymptote.sortedXyData Horizontal Asymptote on the Left Side (nls)
NLSstRtAsymptote Horizontal Asymptote on the Right Side (nls)
NLSstRtAsymptote.sortedXyData 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)

-- O --

objects List Objects (base)
offset Include an Offset in a Model Formula (base)
old.packages Download Packages from CRAN (base)
on.exit Function Exit Code (base)
Ops.data.frame Internal and Group Methods and Generic Functions (base)
Ops.factor Internal and Group Methods and Generic Functions (base)
Ops.ordered Internal and Group Methods and Generic Functions (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)
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)
p.adjust.methods Adjust p values for multiple comparisons (base)
pacf Autocovariance and Autocorrelation Function Estimation (ts)
pacf.default Autocovariance and Autocorrelation Function Estimation (ts)
pacf.mts Autocovariance and Autocorrelation Function Estimation (ts)
pacf.ts 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.default 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)
pbeta The Beta Distribution (base)
pbinom The Binomial Distribution (base)
pcauchy The Cauchy Distribution (base)
pchisq The (non-central) Chi-Square Distribution (base)
pentagamma Special Functions of Mathematics (base)
periodicSpline Create a Periodic Interpolation Spline (splines)
periodicSpline.default Create a Periodic Interpolation Spline (splines)
periodicSpline.formula 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)
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)
plot.acf Autocovariance and Autocorrelation Function Estimation (ts)
plot.data.frame Data Frames (base)
plot.default The Default Scatterplot Function (base)
plot.density Kernel Density Estimation (base)
plot.ecdf Empirical Cumulative Distribution Function (stepfun)
plot.factor Plotting Factor Variables (base)
plot.formula Formula Notation for Scatterplots (base)
plot.function Draw Function Plots (base)
plot.hclust Hierarchical Clustering (mva)
plot.lm Plot Diagnostics for an lm Object (base)
plot.medpolish Median Polish of a Matrix (eda)
plot.mlm Accessing Linear Model Fits (base)
plot.mts Time-Series Objects (base)
plot.new Create / Start a New Plot Frame (base)
plot.polySpline Piecewise Polynomial Spline Representation (splines)
plot.ppr Plot Ridge Functions for Projection Pursuit Regression Fit (modreg)
plot.prcomp Principal Components Analysis (mva)
plot.princomp Principal Components Analysis (mva)
plot.profile.nls Plot a profile.nls Object (nls)
plot.spec Spectral Density Estimation (ts)
plot.spec.coherency Spectral Density Estimation (ts)
plot.spec.phase Spectral Density Estimation (ts)
plot.spline Evaluate a spline at new values of x (splines)
plot.stepfun Plot Step Functions (stepfun)
plot.stl Seasonal Decomposition of Time Series by Loess (ts)
plot.ts Time-Series Objects (base)
plot.tskernel Smoothing Kernel Objects (ts)
plot.window Set up World Coordinates for Graphics Window (base)
plot.xy Basic Internal Plot Function (base)
plot.xyVector Construct an xyVector Object (splines)
plotmath Mathematical Annotation in R (base)
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)
pnorm The Normal Distribution (base)
points Add Points to a Plot (base)
points.default Add Points to a Plot (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)
polySpline.bSpline Piecewise Polynomial Spline Representation (splines)
polySpline.nbSpline Piecewise Polynomial Spline Representation (splines)
polySpline.pbSpline Piecewise Polynomial Spline Representation (splines)
polySpline.polySpline Piecewise Polynomial Spline Representation (splines)
pos.to.env Convert Positions in the Search Path to Environments (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)
ppr.default Projection Pursuit Regression (modreg)
ppr.formula 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)
print.anova Anova Tables (base)
print.anova.glm Defunct Functions (base)
print.anova.lm Defunct Functions (base)
print.aov Fit an Analysis of Variance Model (base)
print.aovlist Fit an Analysis of Variance Model (base)
print.ar Fit Autoregressive Models to Time Series (ts)
print.arima0 ARIMA Modelling of Time Series -- Preliminary Version (ts)
print.atomic Default Printing (base)
print.bSpline Create an Interpolation Spline (splines)
print.coefmat Print Coefficient Matrices (base)
print.data.frame Data Frames (base)
print.default Default Printing (base)
print.density Kernel Density Estimation (base)
print.dist Distance Matrix Computation (mva)
print.dummy.coef Extract Coefficients in Original Coding (base)
print.dummy.coef.list Extract Coefficients in Original Coding (base)
print.ecdf Empirical Cumulative Distribution Function (stepfun)
print.factor Print Values (base)
print.family Family Objects for Models (base)
print.formula Model Formulae (base)
print.ftable Flat Contingency Tables (base)
print.glm Accessing Generalized Linear Model Fits (base)
print.glm.null Accessing Generalized Linear Model Fits (base)
print.htest Print Values (base)
print.infl Regression Diagnostics (base)
print.listof Print Values (base)
print.lm Accessing Linear Model Fits (base)
print.lm.null Accessing Linear Model Fits (base)
print.loess Local Polynomial Regression Fitting (modreg)
print.lqs Resistant Regression (lqs)
print.matrix Print Matrices (base)
print.medpolish Median Polish of a Matrix (eda)
print.mtable Find Aliases (Dependencies) in a Model (base)
print.nls Nonlinear Least Squares (nls)
print.noquote Class for ``no quote'' Printing of Strings (base)
print.ordered Print Values (base)
print.pairwise.htest Print method for pairwise tests (ctest)
print.plot Defunct Functions (base)
print.polySpline Piecewise Polynomial Spline Representation (splines)
print.power.htest Print method for power calculation object (ctest)
print.ppolySpline Create an Interpolation Spline (splines)
print.ppr Projection Pursuit Regression (modreg)
print.prcomp Principal Components Analysis (mva)
print.princomp Principal Components Analysis (mva)
print.simple.list Print Values (base)
print.smooth.spline Fit a Smoothing Spline (modreg)
print.socket Create a Socket Connection (base)
print.stepfun Step Functions (stepfun)
print.stl Seasonal Decomposition of Time Series by Loess (ts)
print.summary.aov Fit an Analysis of Variance Model (base)
print.summary.aovlist Fit an Analysis of Variance Model (base)
print.summary.glm Accessing Generalized Linear Model Fits (base)
print.summary.glm.null Accessing Generalized Linear Model Fits (base)
print.summary.lm Accessing Linear Model Fits (base)
print.summary.lm.null Accessing Linear Model Fits (base)
print.summary.loess Local Polynomial Regression Fitting (modreg)
print.summary.nls Nonlinear Least Squares (nls)
print.summary.ppr Projection Pursuit Regression (modreg)
print.summary.prcomp Principal Components Analysis (mva)
print.table Print Values (base)
print.tables.aov Compute Tables of Results from an Aov Model Fit. (base)
print.tabular Defunct Functions (base)
print.terms Model Terms (base)
print.ts Time-Series Objects (base)
print.tskernel Smoothing Kernel Objects (ts)
print.tukeyline Robust Line Fitting (eda)
print.xyVector Construct an xyVector Object (splines)
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 Non-Linear Models (nls)
profiler.nls Constructor for Profiler Objects from nls Objects (nls)
proj Projections of Models (base)
proj.aov Projections of Models (base)
proj.aovlist Projections of Models (base)
proj.default Projections of Models (base)
proj.lm Projections of Models (base)
prompt Produce Prototype of an R Documentation File (base)
prompt.data.frame Produce Prototype of an R Documentation File (base)
prompt.default 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)
provide Loading and Listing of Packages (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)
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-Square 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)
quakes Locations of Earthquakes off Fiji (base)
quantile Sample Quantiles (base)
quantile.default Sample Quantiles (base)
quasi 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)
R.version.string 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)
range.default Range of Values (base)
rank Sample Ranks (base)
rbeta The Beta Distribution (base)
rbind Combine Columns/Rows into a Matrix (base)
rbind.data.frame Combine Columns/Rows into a Matrix (base)
rbinom The Binomial Distribution (base)
rcauchy The Cauchy Distribution (base)
rchisq The (non-central) Chi-Square Distribution (base)
Re Complex Vectors (base)
read.csv Data Input (base)
read.csv2 Data Input (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)
readline Read a Line from the Terminal (base)
real Real Vectors (base)
Recall Recursive Calling (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)
relevel.default Reorder Levels of Factor (base)
relevel.factor Reorder Levels of Factor (base)
relevel.ordered 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)
replications Number of Replications of Terms (base)
require Loading and Listing of Packages (base)
resid Extract Model Residuals (base)
residuals Extract Model Residuals (base)
residuals.default 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.names<- Data Frames (base)
row/colnames Row and Columnn Names (base)
rownames 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)
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.image Save R Objects (base)
save.plot Defunct Functions (base)
scale Scaling and Centering of Matrices (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)
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)
se.contrast.aov Standard Errors for Contrasts in Model Terms (base)
se.contrast.aovlist Standard Errors for Contrasts in Model Terms (base)
search Give Search Path for R Objects (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)
seq.default 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)
sign Sign Function (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)
solve.default Solve a System of Equations (base)
solve.qr Solve a System of Equations (base)
sort Sort a Vector (base)
sort.list Ordering Permutation (base)
sortedXyData Create a sortedXyData object (nls)
sortedXyData.default 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)
splineKnots.spline Knot Vector from a Spline (splines)
splineOrder Determine the Order of a Spline (splines)
splineOrder.bSpline Determine the Order of a Spline (splines)
splineOrder.polySpline Determine the Order of a Spline (splines)
split Divide into Groups (base)
split.data.frame Divide into Groups (base)
split.default 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.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)
start.default 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)
state.abb States of the U.S.A. (base)
state.area States of the U.S.A. (base)
state.center States of the U.S.A. (base)
state.division States of the U.S.A. (base)
state.name States of the U.S.A. (base)
state.region States of the U.S.A. (base)
state.x77 States of the U.S.A. (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)
storage.mode The (Storage) Mode of an Object (base)
storage.mode<- The (Storage) Mode of an Object (base)
str Compactly Display the Structure of an Arbitrary R Object (base)
str.data.frame Compactly Display the Structure of an Arbitrary R Object (base)
str.default Compactly Display the Structure of an Arbitrary R Object (base)
strheight Plotting Dimensions of Character Strings and Math Expressions (base)
stripplot 1-D Scatter Plots (base)
strsplit Split the Strings in a 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)
subset.data.frame Subsetting Vectors and Data Frames (base)
subset.default 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 Object Summaries (base)
summary.aov Fit an Analysis of Variance Model (base)
summary.aovlist Fit an Analysis of Variance Model (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.glm.null Accessing Generalized Linear Model Fits (base)
summary.infl Regression Diagnostics (base)
summary.lm Accessing Linear Model Fits (base)
summary.lm.null Accessing Linear Model Fits (base)
summary.loess Local Polynomial Regression Fitting (modreg)
summary.matrix Object Summaries (base)
summary.mlm Accessing Linear Model Fits (base)
summary.nls Nonlinear Least Squares (nls)
summary.ppr Projection Pursuit Regression (modreg)
summary.prcomp Principal Components Analysis (mva)
summary.princomp Principal Components Analysis (mva)
summary.stepfun Step Functions (stepfun)
sunflowerplot Produce a Sunflower Scatter Plot (base)
sunspot Yearly Sunspot Data, 1700--1988. Monthly Sunspot Data, 1749--1997. (ts)
sunspot.month Yearly Sunspot Data, 1700--1988. Monthly Sunspot Data, 1749--1997. (ts)
sunspot.year Yearly Sunspot Data, 1700--1988. Monthly Sunspot Data, 1749--1997. (ts)
sunspots Monthly Mean Relative Sunspot Numbers (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 Not Yet Implemented Functions and Unused Arguments (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.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.source Parse and Evaluate Expressions from a File (base)
sys.status Functions to Access the Function Call Stack (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.data.frame Matrix Transpose (base)
t.default 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)
TDist The Student t Distribution (base)
tempfile Create Unique Names for (Temporary) Files (base)
terms Model Terms (base)
terms.aovlist Model Terms (base)
terms.default Model Terms (base)
terms.formula Model Terms (base)
terms.terms Model Terms (base)
terrain.colors Color Palettes (base)
tetragamma Special Functions of Mathematics (base)
text Add Text to a Plot (base)
text.default Add Text to a Plot (base)
time Sampling Times of Time Series (base)
time.default Sampling Times of Time Series (base)
time.ts Sampling Times of Time Series (base)
Titanic Survival of passengers on the Titanic (base)
title Plot Annotation (base)
toeplitz Form Symmetric Toeplitz Matrix (ts)
ToothGrowth The Effect of Vitamin C on Tooth Growth in Guinea Pigs (base)
topo.colors Color Palettes (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)
transform.data.frame Transform an Object, e.g. a Data Frame (base)
transform.default 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)
trunc.default Rounding of Numbers (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)
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 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)
untrace Trace All Calls to a Function. (base)
update Update and Re-fit a Model Call (base)
update.default 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 Covariance Matrices (base)
var.test F Test to Compare Two Variances (ctest)
variable.names Case and Variable Names of Fitted Models (base)
variable.names.default Case and Variable Names of Fitted Models (base)
variable.names.lm Case and Variable Names of Fitted Models (base)
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.default Accessing Linear Model Fits (base)
weights.lm Accessing Linear Model Fits (base)
weights.nls Nonlinear Least Squares (nls)
which Which indices are TRUE ? (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)
window.default Time Windows (base)
window.ts Time Windows (base)
women Average Heights and Weights for American Women (base)
write Write Data to a File (base)
write.socket Read from or Write to a Socket (base)
write.table Data Output (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)
xinch Graphical Units (base)
xor Logical Operators (base)
xpdrows.data.frame Data Frames (base)
xy.coords Extracting Plotting Structures (base)
xyinch Graphical Units (base)
xyVector Construct an xyVector Object (splines)

-- Y --

yinch Graphical Units (base)

-- Z --

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