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

! Logical Operators (base)
!= Relational Operators (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)
.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 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)
<= Relational Operators (base)
== Relational Operators (base)
> Relational Operators (base)
>= Relational Operators (base)
? Documentation (base)
[ Extract or Replace Parts of an Object (base)
[.tskernel Smoothing Kernel Objects (ts)
[[ 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)
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.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.glmlist Accessing Generalized Linear Model Fits (base)
anova.lm 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.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.char.or.expr Coerce to Character or Expression (base)
as.character Character Vectors (base)
as.complex Complex Vectors (base)
as.data.frame 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.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.name Variable Names (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.qr The QR Decomposition of a Matrix (base)
as.real Real Vectors (base)
as.single Double Precision Vectors (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)
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)

-- 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)
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)
BJsales Sales Data with Leading Indicator. (ts)
bmp BMP, JPEG and PNG graphics devices (base)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
density Kernel Density Estimation (base)
deparse Expression Deparsing (base)
Deprecated Deprecated Functions (base)
deriv 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)
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)
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 (base)
edit.default Invoke a Text Editor (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)
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)
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.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.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)
flush.console Auxiliary Functions for the Windows Port (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.default Encode in a Common Format (base)
format.info format(.) Information (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)
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)
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)
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)
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)
Hershey Hershey Vector Fonts in R (base)
hist 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.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.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)
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.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 --

Japanese Japanese characters in R (base)
jitter Add `Jitter' (Noise) to Numbers (base)
jpeg BMP, 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 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)
lag 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)
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.ts Time-Series Objects (base)
link.html.help Update HTML documentation files (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.null Fitting Linear Models (base)
lm.influence Regression Diagnostics (base)
lm.summaries Accessing Linear Model Fits (base)
lm.wfit Fitting Linear Models (base)
lmsreg Resistant Regression (lqs)
load Reload Saved Datasets (base)
loadings Principal Components Analysis (mva)
Loblolly Growth of Loblolly pine trees (nls)
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)
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.function.html Update HTML documentation files (base)
make.link Create a Link for GLM families (base)
make.names Make Legal R Names Out of Strings (base)
make.packages.html Update HTML documentation files (base)
make.search.html Update HTML documentation files (base)
make.socket Create a Socket Connection (base)
make.tables 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 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)
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)
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)
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 --

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 (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)
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)

-- 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 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)
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)
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)
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)
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)
png BMP, 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)
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 Non-Linear Models (nls)
profiler.nls Constructor for Profiler Objects from nls Objects (nls)
proj Projections of Models (base)
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)
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)
Puromycin Reaction velocity of an enzymatic reaction (nls)
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)
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)
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-Square Distribution (base)
Rconsole R for Windows Configuration (base)
Rdevga R for Windows Configuration (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)
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.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)
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)
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)
Rwin configuration R for Windows Configuration (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)
savePlot Save Windows Plot to a File (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)
search Give Search Path for R Objects (base)
searchpaths 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)
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)
shell Invoke a System Command, using a Shell (base)
shell.exec Open a File using Windows File Associations (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)
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.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)
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)
str 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)
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.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.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)
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.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 Names for Temporary Files (base)
terms Model Terms (base)
terrain.colors Color Palettes (base)
tetragamma Special Functions of Mathematics (base)
text Add Text to a Plot (base)
time 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)
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)
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.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)
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.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)
win.graph Windows graphics devices (base)
win.metafile Windows graphics devices (base)
win.print Windows graphics devices (base)
win.version Auxiliary Functions for the Windows Port (base)
winDialog Dialog Boxes under Windows (base)
winDialogString Dialog Boxes under Windows (base)
window Time Windows (base)
windows Windows graphics devices (base)
winextras Auxiliary Functions for the Windows Port (base)
winMenuAdd User Menus under Windows (base)
winMenuAddItem User Menus under Windows (base)
winMenuDel User Menus under Windows (base)
winMenuDelItem User Menus under Windows (base)
winMenus User Menus under 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 Windows graphics devices (base)
x11 Windows graphics devices (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)
zip.unpack Auxiliary Functions for the Windows Port (base)