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! Logical Operators
!= Relational Operators
$ Extract or Replace Parts of an Object
$<- Extract or Replace Parts of an Object
%% Arithmetic Operators
%*% Matrix Multiplication
%/% Arithmetic Operators
%in% Value Matching
%o% Outer Product of Arrays
%x% Kronecker Product of Arrays
& Logical Operators
&& Logical Operators
* Arithmetic Operators
+ Arithmetic Operators
- Arithmetic Operators
-> Assign a Value to a Name
->> Assign a Value to a Name
. Not Yet Implemented Functions and Unused Arguments
... Defunct Functions
.Alias Create ``Alias'' (Pointer) to \R Object
.Autoloaded Loading and Listing of Packages
.AutoloadEnv On-demand loading of packages
.C Foreign Function Interface
.Class Internal and Group Methods and Generic Functions
.Defunct Defunct Functions
.Deprecated Deprecated Functions
.Device Control Multiple Devices
.Devices Control Multiple Devices
.Dyn.libs Loading Shared Libraries
.External Foreign Function Interface
.First Initialization at Start of an R Session
.First.lib Loading and Listing of Packages
.Fortran Foreign Function Interface
.Generic Internal and Group Methods and Generic Functions
.GlobalEnv Environment Access
.Group Internal and Group Methods and Generic Functions
.Internal Call an Internal Function
.Last Terminate an R Session
.lib.loc Loading and Listing of Packages
.Library Loading and Listing of Packages
.Machine Machine Characteristics
.Method Internal and Group Methods and Generic Functions
.NotYetImplemented Not Yet Implemented Functions and Unused Arguments
.NotYetUsed Not Yet Implemented Functions and Unused Arguments
.Options Options Settings
.packages Loading and Listing of Packages
.Pars Set or Query Graphical Parameters
.Pars.readonly Set or Query Graphical Parameters
.Platform Invoke a System Command
.PostScript.Options PostScript Graphics
.Primitive Call a ``Primitive'' Internal Function
.Provided Loading and Listing of Packages
.Random.seed Random Number Generation
.Traceback Print Call Stack of Last Error
/ Arithmetic Operators
: Sequence Generation
< Relational Operators
<- Assign a Value to a Name
<<- Assign a Value to a Name
<= Relational Operators
== Relational Operators
> Relational Operators
>= Relational Operators
? Documentation

-- A --

abbreviate Abbreviate Strings
abline Add a Straight Line to a Plot
abs Miscellaneous Mathematical Functions
acid Determination of Formaldehyde
acos Trigonometric Functions
acosh Hyperbolic Functions
add.scope Compute Allowed Changes in Adding to or Dropping from a Formula
add1 Add or Drop All Possible Single Terms to a Model
add1.default Add or Drop All Possible Single Terms to a Model
add1.glm Add or Drop All Possible Single Terms to a Model
add1.lm Add or Drop All Possible Single Terms to a Model
add1.mlm Add or Drop All Possible Single Terms to a Model
aggregate Compute Summary Statistics of Data Subsets
aggregate.data.frame Compute Summary Statistics of Data Subsets
aggregate.default Compute Summary Statistics of Data Subsets
aggregate.ts Compute Summary Statistics of Data Subsets
airmiles Commercial Airline Mileage
airquality New York Air Quality Measurements
alias Find Aliases (Dependencies) in a Model
alias.formula Find Aliases (Dependencies) in a Model
alias.lm Find Aliases (Dependencies) in a Model
alist Lists -- Generic and Dotted Pairs
All Are All / Any Values True?
all Are All / Any Values True?
all.names Find All Names in an Expression
all.vars Find All Names in an Expression
anova Anova Tables
anova.glm Accessing Generalized Linear Model Fits
anova.glm.null Accessing Generalized Linear Model Fits
anova.glmlist Accessing Generalized Linear Model Fits
anova.lm Accessing Linear Model Fits
anova.lm.null Accessing Linear Model Fits
anova.mlm Accessing Linear Model Fits
anovalist.lm Accessing Linear Model Fits
anscombe Anscombe's Quartet of ``Identical'' Simple Linear Regressions
any Are All / Any Values True?
aov Fit an Analysis of Variance Model
aperm Array Transposition
append Vector Merging
apply Apply Functions Over Array Margins
approx Interpolation Functions
approxfun Interpolation Functions
approx[fun] Interpolation Functions
apropos Find Objects by (Partial) Name
Arg Complex Vectors
args Argument List of a Function
Arithmetic Arithmetic Operators
array Multi-way Arrays
arrows Add Arrows to a Plot
as.array Multi-way Arrays
as.call Function Calls
as.character Character Vectors
as.character.default Character Vectors
as.complex Complex Vectors
as.complex.default Complex Vectors
as.data.frame Data Frames
as.data.frame.AsIs Data Frames
as.data.frame.character Data Frames
as.data.frame.complex Data Frames
as.data.frame.data.frame Data Frames
as.data.frame.default Data Frames
as.data.frame.factor Data Frames
as.data.frame.integer Data Frames
as.data.frame.list Data Frames
as.data.frame.logical Data Frames
as.data.frame.matrix Data Frames
as.data.frame.model.matrix Data Frames
as.data.frame.numeric Data Frames
as.data.frame.ordered Data Frames
as.data.frame.ts Data Frames
as.data.frame.vector Data Frames
as.double Double Precision Vectors
as.double.default Double Precision Vectors
as.expression Unevaluated Expressions
as.expression.default Unevaluated Expressions
as.factor Factors
as.formula Model Formulae
as.function Convert Object to Function
as.function.default Convert Object to Function
as.integer Integer Vectors
as.integer.default Integer Vectors
as.list Lists -- Generic and Dotted Pairs
as.list.data.frame Lists -- Generic and Dotted Pairs
as.list.default Lists -- Generic and Dotted Pairs
as.logical Logical Vectors
as.logical.default Logical Vectors
as.matrix Matrices
as.matrix.data.frame Matrices
as.matrix.default Matrices
as.matrix.noquote Class for ``no quote'' Printing of Strings
as.name Variable Names
as.null The Null Object
as.null.default The Null Object
as.numeric Numeric Vectors
as.ordered Factors
as.pairlist Lists -- Generic and Dotted Pairs
as.qr The QR Decomposition of a Matrix
as.real Real Vectors
as.single Double Precision Vectors
as.single.default Double Precision Vectors
as.ts Time-Series Objects
as.vector Vectors
as.vector.factor Vectors
asin Trigonometric Functions
asinh Hyperbolic Functions
assign Assign a Value to a Name
atan Trigonometric Functions
atan2 Trigonometric Functions
atanh Hyperbolic Functions
attach Attach Set of \R Objects to Search Path
attenu The Joyner-Boore Attenuation Data
attitude Attitudes Toward Supervisors
attr Object Attributes
attr<- Object Attributes
attributes Object Attribute Lists
attributes<- Object Attribute Lists
autoload On-demand loading of packages
autoloader On-demand loading of packages
ave Group Averages Over Level Combinations of Factors
axis Add an Axis to a Plot

-- B --

backsolve Solve an Upper or Lower Triangular System
barplot Bar Plots
BATCH Batch Execution of R
bees Potency of Orchard Sprays
Bessel Bessel Functions
bessel Bessel Functions
besselI Bessel Functions
besselJ Bessel Functions
besselK Bessel Functions
besselY Bessel Functions
Beta The Beta Distribution
beta Special Functions of Mathematics
Binomial The Binomial Distribution
binomial Family Objects for Models
body Access to and Manipulation of the Body of a Function
body<- Access to and Manipulation of the Body of a Function
box Draw a Box around a Plot
boxplot Box Plots
boxplot.stats Box Plot Statistics
break Control Flow
browser Environment Browser
bug.report Send a bug report
bxp Box Plots from Summaries

-- C --

C Sets Contrasts for a Factor
c Combine Values into a Vector or List
call Function Calls
cars Stopping Distances of Cars
case.names Case and Variable Names of Fitted Models
case.names.default Case and Variable Names of Fitted Models
case.names.lm Case and Variable Names of Fitted Models
case/variable.names Case and Variable Names of Fitted Models
cat Concatenate and Print
Cauchy The Cauchy Distribution
cbind Combine Columns/Rows into a Matrix
cbind.data.frame Combine Columns/Rows into a Matrix
ceiling Rounding of Numbers
character Character Vectors
charmatch Partial String Matching
check.options Set Options with Consistency Checks
chickwts Chicken Weights by Feed Type
chisq.test Pearson's Chi-square Test for Count Data
Chisquare The (non-central) Chi-Square Distribution
chol The Choleski Decomposition
chol2inv Inverse from Choleski Decomposition
choose Special Functions of Mathematics
chull Compute Convex Hull of a Set of Points
class Object Classes
class<- Object Classes
close.screen Creating and Controlling Multiple Screens on a Single Device
close.socket Close a socket
cm Graphical Units
cm.colors Color Palettes
co.intervals Conditioning Plots
co2 Mauna Loa Atmospheric CO2 Concentration
codes Factor Codes
codes.factor Factor Codes
codes.ordered Factor Codes
codes<- Factor Codes
coef Extract Model Coefficents
coef.aov Extract Model Coefficents
coef.default Extract Model Coefficents
coef.glm Extract Model Coefficents
coef.listof Extract Model Coefficents
coef.lm Extract Model Coefficents
coefficients Extract Model Coefficents
coefficients.glm Accessing Generalized Linear Model Fits
coefficients.lm Accessing Linear Model Fits
col Column Indexes
colnames Row and Columnn Names
colnames<- Row and Columnn Names
colors Color Names
colours Color Names
comment ~~function to do ... ~~
comment<- ~~function to do ... ~~
Comparison Relational Operators
COMPILE Compile Files for Use with R
complete.cases Find Complete Cases
complex Complex Vectors
conflicts Search for Masked Objects on the Search Path
Conj Complex Vectors
Constants Built-in Constants
consume Personal Expenditure Data
contour Display Contours
contr.helmert Contrast Matrices
contr.poly Contrast Matrices
contr.sum Contrast Matrices
contr.treatment Contrast Matrices
Contrast Contrast Matrices
contrasts Get and Set Contrast Matrices
contrasts<- Get and Set Contrast Matrices
contributors R Project Contributors
Control Control Flow
convolve Fast Convolution
cooks.distance Regression Diagnostics
coplot Conditioning Plots
copyright Copyrights of Files Used to Build R
copyrights Copyrights of Files Used to Build R
cor Correlation and Covariance Matrices
cos Trigonometric Functions
cosh Hyperbolic Functions
count.fields Count the Number of Fields per Line
cov Correlation and Covariance Matrices
cov.wt Weighted Covariance Matrices
covratio Regression Diagnostics
crimes Violent Crime Rates by US State
crossprod Matrix Crossproduct
cummax Cumulative Sums, Products, etc.
cummin Cumulative Sums, Products, etc.
cumprod Cumulative Sums, Products, etc.
cumsum Cumulative Sums, Products, etc.
curve Draw Function Plots
cut Convert Numeric to Factor
cut.default Convert Numeric to Factor

-- D --

D Symbolic and Algorithmic Derivatives of Simple Expressions
data Data Sets
data.class Object Classes
data.entry Spreadsheet Interface for Entering Data
data.frame Data Frames
data.matrix Data Frame to Numeric Matrix
dataentry Spreadsheet Interface for Entering Data
date Print the System Date and Time
dbeta The Beta Distribution
dbinom The Binomial Distribution
dcauchy The Cauchy Distribution
dchisq The (non-central) Chi-Square Distribution
de Spreadsheet Interface for Entering Data
de.ncols Spreadsheet Interface for Entering Data
de.restore Spreadsheet Interface for Entering Data
de.setup Spreadsheet Interface for Entering Data
deaths Death Rate Data
debug Debug a function
Defunct Defunct Functions
delay Delay Evaluation
delete.response Modify terms objects
demo Demonstrations of \R functions
density Kernel Density Estimation
deparse Expression Deparsing
Deprecated Deprecated Functions
deriv Symbolic and Algorithmic Derivatives of Simple Expressions
deriv.default Symbolic and Algorithmic Derivatives of Simple Expressions
deriv.formula Symbolic and Algorithmic Derivatives of Simple Expressions
detach Detach \R objects from search path
dev.control Copy Graphics Between Multiple Devices
dev.copy Copy Graphics Between Multiple Devices
dev.cur Control Multiple Devices
dev.list Control Multiple Devices
dev.next Control Multiple Devices
dev.off Control Multiple Devices
dev.prev Control Multiple Devices
dev.print Copy Graphics Between Multiple Devices
dev.set Control Multiple Devices
dev.xxx Control Multiple Devices
dev2 Copy Graphics Between Multiple Devices
deviance Model Deviance
deviance.default Model Deviance
deviance.glm Model Deviance
deviance.lm Model Deviance
deviance.mlm Model Deviance
device List of Graphical Devices
Devices List of Graphical Devices
dexp The Exponential Distribution
df The F Distribution
df.residual Residual Degrees-of-Freedom
df.residual.glm Accessing Generalized Linear Model Fits
df.residual.lm Accessing Linear Model Fits
dfbetas Regression Diagnostics
dffits Regression Diagnostics
dgamma The Gamma Distribution
dgeom The Geometric Distribution
dget Write an Internal Object to a File
dhyper The Hypergeometric Distribution
diag Matrix Diagonals
diag<- Matrix Diagonals
diff Lagged Differences
diff.default Lagged Differences
digamma Special Functions of Mathematics
dim Dimensions of an Object
dim.data.frame Dimensions of an Object
dim<- Dimensions of an Object
dimnames Dimnames of an Object
dimnames.data.frame Dimnames of an Object
dimnames<- Dimnames of an Object
dimnames<-.data.frame Dimnames of an Object
dir List the Files in a Directory/Folder
discoveries Numbers of Important Discoveries
dlnorm The Log Normal Distribution
dlogis The Logistic Distribution
dnbinom The Negative Binomial Distribution
dnchisq The Non-Central Chi-Square Distribution
dnorm The Normal Distribution
do.call Execute a Function Call
dotplot Cleveland Dot Plots
double Double Precision Vectors
dpois The Poisson Distribution
dput Write an Internal Object to a File
drop Drop Redundant Extent Information
drop.scope Compute Allowed Changes in Adding to or Dropping from a Formula
drop.terms Modify terms objects
drop1 Add or Drop All Possible Single Terms to a Model
drop1.default Add or Drop All Possible Single Terms to a Model
drop1.glm Add or Drop All Possible Single Terms to a Model
drop1.lm Add or Drop All Possible Single Terms to a Model
drop1.mlm Add or Drop All Possible Single Terms to a Model
dsignrank Distribution of the Wilcoxon Signed Rank Statistic
dt The Student t Distribution
dummy.coef Extract Coefficients in Original Coding
dummy.coef.aovlist Extract Coefficients in Original Coding
dummy.coef.lm Extract Coefficients in Original Coding
dump Text Representations of \R Objects
dunif The Uniform Distribution
duplicated Determine Duplicate Elements
dweibull The Weibull Distribution
dwilcox Distribution of the Wilcoxon Rank Sum Statistic
dyn.load Foreign Function Interface

-- E --

edit Invoke a Text Editor
eff.aovlist Compute Efficiencies of Multistratum Analysis of Variance
effects Effects from Fitted Model
effects.glm Effects from Fitted Model
effects.lm Effects from Fitted Model
eigen Spectral Decomposition of a Matrix
else Control Flow
emacs Invoke a Text Editor
end Sampling Times of Time-Series
end.default Sampling Times of Time-Series
end.ts Sampling Times of Time-Series
environment Environment Access
environment<- Environment Access
erase.screen Creating and Controlling Multiple Screens on a Single Device
esoph Smoking, Alcohol and (O)esophageal Cancer
euro Euro conversion rates
euro.cross Euro conversion rates
eurodist Distances Between Cities in Europe
eval Evaluate an (Unevaluated) Expression
evalq Evaluate an (Unevaluated) Expression
example Run an Examples section from the online help
exists Is a Variable Defined?
exp Logarithms and Exponentials
expand.grid Create a Data Frame from All Combinations of Factors
Exponential The Exponential Distribution
expression Unevaluated Expressions
Extract Extract or Replace Parts of an Object
extractAIC Extract AIC from a Fitted Model
extractAIC.aov Extract AIC from a Fitted Model
extractAIC.coxph Extract AIC from a Fitted Model
extractAIC.glm Extract AIC from a Fitted Model
extractAIC.lm Extract AIC from a Fitted Model
extractAIC.negbin Extract AIC from a Fitted Model
extractAIC.survreg Extract AIC from a Fitted Model
Extremes Maxima and Minima

-- F --

F Logical Vectors
factor Factors
factor.scope Compute Allowed Changes in Adding to or Dropping from a Formula
faithful Old Faithful Geyser Data
FALSE Logical Vectors
family Family Objects for Models
family.glm Accessing Generalized Linear Model Fits
family.lm Accessing Linear Model Fits
FDist The F Distribution
fft Fast Discrete Fourier Transform
file File manipulation
file.append File manipulation
file.create File manipulation
file.exists File manipulation
file.remove File manipulation
file.show Display One or More Files
filled.contour Level (Contour) Plots
find Find Objects by (Partial) Name
fitted Extract Model Fitted Values
fitted.default Extract Model Fitted Values
fitted.glm Extract Model Fitted Values
fitted.lm Extract Model Fitted Values
fitted.values Extract Model Fitted Values
fitted.values.glm Accessing Generalized Linear Model Fits
fitted.values.lm Accessing Linear Model Fits
fivenum Tukey Five-Number Summaries
fix Fix an Object
floor Rounding of Numbers
for Control Flow
Foreign Foreign Function Interface
formals Access to and Manipulation of the Formal Arguments
formals<- Access to and Manipulation of the Formal Arguments
format Encode in a Common Format
format.char Flexible Formatting
format.default Encode in a Common Format
format.info format(.) Information
format.pval Encode in a Common Format
formatC Flexible Formatting
formula Model Formulae
formula.data.frame Model Formulae
formula.default Model Formulae
formula.formula Model Formulae
formula.lm Accessing Linear Model Fits
formula.terms Model Formulae
forwardsolve Solve an Upper or Lower Triangular System
frame Create / Start a New Plot Frame
freeny Freeny's Revenue Data
frequency Sampling Times of Time-Series
frequency.default Sampling Times of Time-Series
frequency.ts Sampling Times of Time-Series
function Function Definition

-- G --

Gamma Family Objects for Models
gamma Special Functions of Mathematics
gammaCody Bessel Functions
GammaDist The Gamma Distribution
gaussian Family Objects for Models
gc Garbage Collection
gcinfo Garbage Collection
gctorture Torture garbage collector
Geometric The Geometric Distribution
get Return a Variable's Value
getenv Get Environment Variables
gl Generate Factor Levels
glm Fitting Generalized Linear Models
glm.control Fitting Generalized Linear Models
glm.fit Fitting Generalized Linear Models
glm.fit.null Fitting Generalized Linear Models
glm.summaries Accessing Generalized Linear Model Fits
globalenv Environment Access
graphics.off Control Multiple Devices
gray Gray Level Specification
grep Pattern Matching and Replacement
grid Add Grid to a Plot
gsub Pattern Matching and Replacement

-- H --

hat Regression Diagnostics
hdf5 Interface to the HDF5 Library
hdf5load Interface to the HDF5 Library
hdf5save Interface to the HDF5 Library
heat.colors Color Palettes
help Documentation
help.start Hypertext Documentation
hist Histograms
hist.default Histograms
hsv HSV Color Specification
Hyperbolic Hyperbolic Functions
Hypergeometric The Hypergeometric Distribution

-- I --

identify Identify Points in a Scatter Plot
identify.default Identify Points in a Scatter Plot
if Control Flow
ifelse Conditional Element Selection
Im Complex Vectors
image Display a color image
index.search Search Indices for Help Files
Inf Finite, Infinite and NaN Numbers
infert Infertility after spontaneous and induced abortion
influence.measures Regression Diagnostics
inherits Object Classes
insects Effectiveness of Insect Sprays
INSTALL Install Add-on Packages
integer Integer Vectors
interaction Compute Factor Interactions
interactive Is \R running interactively ?
Internal Call an Internal Function
inverse.gaussian Family Objects for Models
invisible Change the Print Mode to Invisible
IQR The Interquartile Range
iris Edgar Anderson's Iris Data
iris3 Edgar Anderson's Iris Data
is.array Multi-way Arrays
is.atomic Is an Object Atomic or Recursive?
is.call Function Calls
is.character Character Vectors
is.complex Complex Vectors
is.data.frame Data Frames
is.double Double Precision Vectors
is.environment Environment Access
is.expression Unevaluated Expressions
is.factor Factors
is.finite Finite, Infinite and NaN Numbers
is.function Is an Object of Type Function?
is.infinite Finite, Infinite and NaN Numbers
is.integer Integer Vectors
is.language Is an Object a Language Object?
is.list Lists -- Generic and Dotted Pairs
is.loaded Foreign Function Interface
is.logical Logical Vectors
is.matrix Matrices
is.na Not Available / ``Missing'' Values
is.na.data.frame Not Available / ``Missing'' Values
is.name Variable Names
is.nan Finite, Infinite and NaN Numbers
is.null The Null Object
is.numeric Numeric Vectors
is.ordered Factors
is.pairlist Lists -- Generic and Dotted Pairs
is.qr The QR Decomposition of a Matrix
is.R Are we using \R, rather than S?
is.real Real Vectors
is.recursive Is an Object Atomic or Recursive?
is.single Is an Object of Single Precision Type?
is.ts Time-Series Objects
is.vector Vectors
islands Areas of the World's Major Landmasses

-- J --

jitter Add `Jitter' (Noise) to Numbers
judges Lawyer's rating's of State Judges in the Superior Court.

-- K --

kappa Estimate the Condition Number of a Matrix, QR Decomposition or Fit
kappa.default Estimate the Condition Number of a Matrix, QR Decomposition or Fit
kappa.lm Estimate the Condition Number of a Matrix, QR Decomposition or Fit
kappa.qr Estimate the Condition Number of a Matrix, QR Decomposition or Fit
kappa.tri Estimate the Condition Number of a Matrix, QR Decomposition or Fit
kronecker Kronecker Product of Arrays

-- L --

labels Find Labels from Object
labels.default Find Labels from Object
labels.lm Find Labels from Object
labels.terms Find Labels from Object
lapply Apply a Function Over a List
layout Specifying complex plot arrangements
layout.show Specifying complex plot arrangements
lbeta Special Functions of Mathematics
lchoose Special Functions of Mathematics
legend Add Legends to Plots
length Length of a Vector or List
length<- Length of a Vector or List
LETTERS Built-in Constants
letters Built-in Constants
levels Factor Levels
levels<- Levels Attributes
levels<-.factor Factor Levels
lgamma Special Functions of Mathematics
library Loading and Listing of Packages
library.dynam Loading Shared Libraries
licence The R License Terms
license The R License Terms
lines Add Connected Line Segments to a Plot
lines.default Add Connected Line Segments to a Plot
list Lists -- Generic and Dotted Pairs
list.files List the Files in a Directory/Folder
lm Fitting Linear Models
lm.fit Fitting Linear Models
lm.fit.null Fitting Linear Models
lm.influence Regression Diagnostics
lm.summaries Accessing Linear Model Fits
lm.wfit Fitting Linear Models
lm.wfit.null Fitting Linear Models
load Reload Saved Datasets
locator Graphical Input
Log Logarithms and Exponentials
log Logarithms and Exponentials
log10 Logarithms and Exponentials
log2 Logarithms and Exponentials
Logic Logical Operators
logical Logical Vectors
Logistic The Logistic Distribution
loglin Fitting Log-Linear Models
Lognormal The Log Normal Distribution
longley Longley's Regression Data
lower.tri Lower and Upper Triangular Part of a Matrix
lowess Scatter Plot Smoothing
ls List Objects
ls.diag Compute Diagnostics for `lsfit' Regression Results
ls.print Print `lsfit' Regression Results
ls.str Compactly Display the Structure of an Arbitrary \R Object
lsf.str Compactly Display the Structure of an Arbitrary \R Object
lsfit Find the Least Squares Fit

-- M --

Machine Machine Characteristics
machine Determine the Machine \R is Running On
macintosh Macintosh Quickdraw Graphics
mad Median Absolute Deviation
mahalanobis Mahalanobis Distance
make.link Create a Link for GLM families
make.names Make Legal R Names Out of Strings
make.socket Create a socket connection
make.tables Create model.tables
make.tables.aovproj Create model.tables
make.tables.aovprojlist Create model.tables
mat.or.vec Create a Matrix or a Vector
match Value Matching
match.arg Argument Verification Using Partial Matching
match.call Argument Matching
match.fun Function Verification for ``Function Variables''
Math Miscellaneous Mathematical Functions
Math.data.frame Internal and Group Methods and Generic Functions
Math.factor Internal and Group Methods and Generic Functions
matlines Plot Columns of Matrices
matmult Matrix Multiplication
matplot Plot Columns of Matrices
matpoints Plot Columns of Matrices
matrix Matrices
max Maxima and Minima
mean Arithmetic Mean
mean.default Arithmetic Mean
median Median Value
Memory Memory Available for Data Storage
menu Menu Interaction Function
Methods Internal and Group Methods and Generic Functions
methods Class Methods
min Maxima and Minima
missing Does a Formal Argument have a Value?
Mod Complex Vectors
mode The (Storage) Mode of an Object
mode<- The (Storage) Mode of an Object
model.extract Extract components from a model frame
model.frame Extracting the ``Environment'' of a Model Formula
model.frame.aovlist Extracting the ``Environment'' of a Model Formula
model.frame.default Extracting the ``Environment'' of a Model Formula
model.frame.glm Extracting the ``Environment'' of a Model Formula
model.frame.lm Extracting the ``Environment'' of a Model Formula
model.matrix Construct design matrices
model.matrix.default Construct design matrices
model.matrix.lm Construct design matrices
model.offset Extract components from a model frame
model.response Extract components from a model frame
model.tables Compute Tables of Results from an Aov Model Fit.
model.tables.aov Compute Tables of Results from an Aov Model Fit.
model.tables.aovlist Compute Tables of Results from an Aov Model Fit.
month.abb Built-in Constants
month.name Built-in Constants
mosaicplot Mosaic Plots
mtcars Motor Trend Road Tests
mtext Write text into the margins of a plot
mvfft Fast Discrete Fourier Transform

-- N --

NA Not Available / ``Missing'' Values
na.action NA Action
na.action.default NA Action
na.fail Handle Missing Values in Data Frames
na.omit Handle Missing Values in Data Frames
name Variable Names
names The Names Attribute of an Object
names.default The Names Attribute of an Object
names<- The Names Attribute of an Object
names<-.default The Names Attribute of an Object
NaN Finite, Infinite and NaN Numbers
nargs The Number of Arguments to a Function
nchar Count the Number of Characters
NChisquare The Non-Central Chi-Square Distribution
NCOL The Number of Rows/Columns of an Array
ncol The Number of Rows/Columns of an Array
NegBinomial The Negative Binomial Distribution
next Control Flow
NextMethod Class Methods
nextn Highly Composite Numbers
nhtemp Average Yearly Temperatures in New Haven
nlevels The Number of Levels of a Factor
nlm non-linear minimization
noquote Class for ``no quote'' Printing of Strings
Normal The Normal Distribution
NotYet Not Yet Implemented Functions and Unused Arguments
NotYetImplemented Not Yet Implemented Functions and Unused Arguments
NotYetUsed Not Yet Implemented Functions and Unused Arguments
NROW The Number of Rows/Columns of an Array
nrow The Number of Rows/Columns of an Array
NULL The Null Object
numeric Numeric Vectors

-- O --

objects List Objects
offset Include an offset in a model formula
on.exit Function Exit Code
Ops.data.frame Internal and Group Methods and Generic Functions
Ops.factor Internal and Group Methods and Generic Functions
Ops.ordered Internal and Group Methods and Generic Functions
optimise One Dimensional Optimization
optimize One Dimensional Optimization
options Options Settings
order Ordering Permutation
ordered Factors
outer Outer Product of Arrays

-- P --

page Invoke a Pager on an R Object
pairlist Lists -- Generic and Dotted Pairs
pairs Scatterplot Matrices
pairs.default Scatterplot Matrices
pairs.formula Formula Notation for Scatterplot Matrices
palette Set or View the Graphics Palette
Palettes Color Palettes
panel.smooth Simple Panel Plot
par Set or Query Graphical Parameters
parse Parse Expressions
paste Concatenate Strings
pbeta The Beta Distribution
pbinom The Binomial Distribution
pcauchy The Cauchy Distribution
pchisq The (non-central) Chi-Square Distribution
pentagamma Special Functions of Mathematics
persp Perspective Plots
pexp The Exponential Distribution
pf The F Distribution
pgamma The Gamma Distribution
pgeom The Geometric Distribution
phones The World's Telephones
phyper The Hypergeometric Distribution
pi Built-in Constants
pico Invoke a Text Editor
pictex A PicTeX Graphics Driver
piechart Pie Charts
pigs The Effect of Vitamin C on Tooth Growth in Guinea Pigs
plants Results from an Experiment on Plant Growth
plnorm The Log Normal Distribution
plogis The Logistic Distribution
plot Generic X-Y Plotting
plot.data.frame Data Frames
plot.default The Default Scatterplot Function
plot.density Kernel Density Estimation
plot.factor Plotting factor variables
plot.formula Formula Notation for Scatterplots
plot.function Draw Function Plots
plot.lm Not Yet Implemented Functions and Unused Arguments
plot.mlm Accessing Linear Model Fits
plot.new Create / Start a New Plot Frame
plot.ts Time-Series Objects
plot.window Set up World Coordinates for Graphics Window
plot.xy Basic Internal Plot Function
pmatch Partial String Matching
pmax Maxima and Minima
pmin Maxima and Minima
pnbinom The Negative Binomial Distribution
pnchisq The Non-Central Chi-Square Distribution
pnorm The Normal Distribution
points Add Points to a Plot
points.default Add Points to a Plot
Poisson The Poisson Distribution
poisson Family Objects for Models
poly Compute Orthogonal Polynomials
polygon Polygon Drawing
polyroot Find Zeros of a Complex Polynomial
postscript PostScript Graphics
ppoints Ordinates for Probability Plotting
ppois The Poisson Distribution
precip Annual Precipitation in US Cities
predict Model Predictions
predict.glm Predict Method for GLM Fits
predict.lm Predicting from Linear Model Fits
predict.mlm Predicting from Linear Model Fits
presidents Approval Rating of US Presidents
pressure Vapor Pressure of Mercury as a Function of Temperature
pretty Pretty Breakpoints
Primitive Call a ``Primitive'' Internal Function
print Print Values
print.anova Anova Tables
print.anova.glm Accessing Generalized Linear Model Fits
print.anova.lm Deprecated Functions
print.aov Fit an Analysis of Variance Model
print.aovlist Fit an Analysis of Variance Model
print.atomic Default Printing
print.coefmat Print Coefficients' Matrices
print.data.frame Data Frames
print.default Default Printing
print.density Kernel Density Estimation
print.factor Print Values
print.family Family Objects for Models
print.formula Model Formulae
print.glm Accessing Generalized Linear Model Fits
print.glm.null Accessing Generalized Linear Model Fits
print.htest Print Values
print.infl Regression Diagnostics
print.listof Print Values
print.lm Accessing Linear Model Fits
print.lm.null Accessing Linear Model Fits
print.matrix Print matrices
print.mtable Find Aliases (Dependencies) in a Model
print.noquote Class for ``no quote'' Printing of Strings
print.ordered Print Values
print.plot Deprecated Functions
print.simple.list Print Values
print.summary.aov Fit an Analysis of Variance Model
print.summary.aovlist Fit an Analysis of Variance Model
print.summary.glm Accessing Generalized Linear Model Fits
print.summary.glm.null Accessing Generalized Linear Model Fits
print.summary.lm Accessing Linear Model Fits
print.summary.lm.null Accessing Linear Model Fits
print.table Print Values
print.tables.aov Compute Tables of Results from an Aov Model Fit.
print.tabular Deprecated Functions
print.terms Model Terms
print.ts Time-Series Objects
prmatrix Print matrices
proc.time Running Time of R
prod Product of Vector Elements
proj Projections of models
proj.aov Projections of models
proj.aovlist Projections of models
proj.default Projections of models
proj.lm Projections of models
prompt Produce Prototype of an \R Documentation File
prompt.default Produce Prototype of an \R Documentation File
prop.test Test for Equal or Given Proportions
provide Loading and Listing of Packages
ps.options PostScript Graphics
psignrank Distribution of the Wilcoxon Signed Rank Statistic
pt The Student t Distribution
ptukey The Studentized Range Distribution
punif The Uniform Distribution
pweibull The Weibull Distribution
pwilcox Distribution of the Wilcoxon Rank Sum Statistic

-- Q --

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

-- R --

rainbow Color Palettes
Random Random Number Generation
randu Random Numbers from Congruential Generator
range Range of Values
rank Sample Ranks
rbeta The Beta Distribution
rbind Combine Columns/Rows into a Matrix
rbind.data.frame Combine Columns/Rows into a Matrix
rbinom The Binomial Distribution
rcauchy The Cauchy Distribution
rchisq The (non-central) Chi-Square Distribution
Re Complex Vectors
read.fwf Read Fixed Width Format Files
read.socket Read from or write to a socket
read.table data input
readline Read a Line from the Terminal
real Real Vectors
Recall Recursive Calling of Itself
rect Draw a Rectangle
reformulate Modify terms objects
relevel Reorder Levels of Factor
REMOVE Remove Add-on Packages
remove Remove Objects from a Specified Environment
rep Replicate Elements
repeat Control Flow
replace Replace Values in a Vector
replications Number of Replications of Terms
require Loading and Listing of Packages
resid Extract Model Residuals
residuals Extract Model Residuals
residuals.default Extract Model Residuals
residuals.glm Accessing Generalized Linear Model Fits
residuals.lm Accessing Linear Model Fits
return Function Definition
rev Reverse a Vector's Elements
rexp The Exponential Distribution
rf The F Distribution
rgamma The Gamma Distribution
rgb RGB Color Specification
rgeom The Geometric Distribution
RHOME R Home Directory
rhyper The Hypergeometric Distribution
rivers Lengths of Major North American Rivers
rle Run Length Encoding
RLIBS Loading and Listing of Packages
rlnorm The Log Normal Distribution
rlogis The Logistic Distribution
rm Remove Objects from a Specified Environment
rnbinom The Negative Binomial Distribution
rnchisq The Non-Central Chi-Square Distribution
RNG Random Number Generation
RNGkind Random Number Generation
rnorm The Normal Distribution
Round Rounding of Numbers
round Rounding of Numbers
row Row Indexes
row.names Data Frames
row.names<- Data Frames
row/colnames Row and Columnn Names
rownames Row and Columnn Names
rownames<- Row and Columnn Names
rowsum Give row sums of a matrix, based on a grouping variable.
rpois The Poisson Distribution
RProfile Initialization at Start of an R Session
rsignrank Distribution of the Wilcoxon Signed Rank Statistic
rstudent Regression Diagnostics
rt The Student t Distribution
rug Add a Rug to a Plot
runif The Uniform Distribution
rweibull The Weibull Distribution
rwilcox Distribution of the Wilcoxon Rank Sum Statistic

-- S --

sample Random Samples and Permutations
sapply Apply a Function Over a List
save Save \R Objects
save.image Save \R Objects
save.plot Deprecated Functions
savings Intercountry Life-Cycle Savings Data
scale Scaling and Centering of Matrices
scan Read Data Values
screen Creating and Controlling Multiple Screens on a Single Device
sd Standard Deviation
se.contrast Standard Errors for Contrasts in Model Terms
se.contrast.aov Standard Errors for Contrasts in Model Terms
se.contrast.aovlist Standard Errors for Contrasts in Model Terms
search Give ``Search Path'' for \R Objects
segments Add Arrows to a Plot
seq Sequence Generation
seq.default Sequence Generation
sequence Create A Vector of Sequences
SHLIB Build Shared Library for Dynamic Loading
show.data Data Sets
sign Sign Function
signif Rounding of Numbers
SignRank Distribution of the Wilcoxon Signed Rank Statistic
sin Trigonometric Functions
sinh Hyperbolic Functions
sink Send \R Output to a File
sleep Student's Sleep Data
solve Solve a System of Equations
solve.default Solve a System of Equations
solve.qr Solve a System of Equations
sort Sort a Vector
source Redirect Input
Special Special Functions of Mathematics
spline Interpolating Splines
splinefun Interpolating Splines
spline[fun] Interpolating Splines
split Divide into Groups
split.data.frame Divide into Groups
split.default Divide into Groups
split.screen Creating and Controlling Multiple Screens on a Single Device
sqrt Miscellaneous Mathematical Functions
stackloss Brownlee's Stack Loss Plant Data
start Sampling Times of Time-Series
start.default Sampling Times of Time-Series
start.ts Sampling Times of Time-Series
Startup Initialization at Start of an R Session
stat.anova GLM Anova Statistics
state States of the U.S.A.
state.abb States of the U.S.A.
state.area States of the U.S.A.
state.center States of the U.S.A.
state.division States of the U.S.A.
state.name States of the U.S.A.
state.region States of the U.S.A.
state.x77 States of the U.S.A.
stem Stem-and-Leaf Plots
step Choose a model by AIC in a Stepwise Algorithm
stop Stop Function Execution
storage.mode The (Storage) Mode of an Object
storage.mode<- The (Storage) Mode of an Object
str Compactly Display the Structure of an Arbitrary \R Object
str.data.frame Compactly Display the Structure of an Arbitrary \R Object
str.default Compactly Display the Structure of an Arbitrary \R Object
strheight Plotting Dimensions of Character Strings and Math Expressions
stripplot 1-D Scatter Plots
strsplit Split the Strings in a Vector
structure Attribute Specification
strwidth Plotting Dimensions of Character Strings and Math Expressions
sub Pattern Matching and Replacement
Subscript Extract or Replace Parts of an Object
subset Subsetting vectors and data frames
subset.data.frame Subsetting vectors and data frames
subset.default Subsetting vectors and data frames
substitute Actual Arguments
substr Extract Substrings from a Character Vector
substring Extract Substrings from a Character Vector
sum Sum of Vector Elements
summary Object Summaries
summary.aov Fit an Analysis of Variance Model
summary.aovlist Fit an Analysis of Variance Model
Summary.data.frame Internal and Group Methods and Generic Functions
summary.data.frame Object Summaries
summary.default Object Summaries
Summary.factor Internal and Group Methods and Generic Functions
summary.factor Object Summaries
summary.glm Accessing Generalized Linear Model Fits
summary.glm.null Accessing Generalized Linear Model Fits
summary.infl Regression Diagnostics
summary.lm Accessing Linear Model Fits
summary.lm.null Accessing Linear Model Fits
summary.matrix Object Summaries
summary.mlm Accessing Linear Model Fits
sunspots Monthly Mean Relative Sunspot Numbers
svd Singular Value Decomposition of a Matrix
sweep Sweep out Array Summaries
swiss Swiss Fertility and Socioeconomic Indicators (1888) Data
switch Select One of a List of Alternatives
symbol.C Foreign Function Interface
symbol.For Foreign Function Interface
symbols Not Yet Implemented Functions and Unused Arguments
symnum Symbolic Number Coding
sys.call Functions to access the function call stack.
sys.calls Functions to access the function call stack.
sys.frame Functions to access the function call stack.
sys.frames Functions to access the function call stack.
sys.function Functions to access the function call stack.
sys.nframe Functions to access the function call stack.
sys.on.exit Functions to access the function call stack.
sys.parent Functions to access the function call stack.
sys.parents Functions to access the function call stack.
sys.status Functions to access the function call stack.
system Invoke a System Command
system.file Find Names of R System Files
system.time CPU Time Used

-- T --

T Logical Vectors
t Matrix Transpose
t.data.frame Matrix Transpose
t.default Matrix Transpose
t.test Student's t-Test
table Cross Tabulation
tabulate Tabulation for Vectors
tan Trigonometric Functions
tanh Hyperbolic Functions
tapply Apply a Function Over a ``Ragged'' Array
TDist The Student t Distribution
tempfile Create Unique Names for (Temporary) Files
terms Model Terms
terms.aovlist Model Terms
terms.default Model Terms
terms.formula Model Terms
terms.terms Model Terms
terrain.colors Color Palettes
tetragamma Special Functions of Mathematics
text Add Text to a Plot
text.default Add Text to a Plot
time Sampling Times of Time-Series
time.default Sampling Times of Time-Series
time.ts Sampling Times of Time-Series
title Plot Annotation
topo.colors Color Palettes
trace Trace all calls to a function.
traceback Print Call Stack of Last Error
transform Transform an object, e.g. a dataframe
transform.data.frame Transform an object, e.g. a dataframe
transform.default Transform an object, e.g. a dataframe
trees Girth, Height and Volume for Black Cherry Trees
Trig Trigonometric Functions
trigamma Special Functions of Mathematics
TRUE Logical Vectors
trunc Rounding of Numbers
trunc.default Rounding of Numbers
ts Time-Series Objects
tsp Sampling Times of Time-Series
tsp<- Sampling Times of Time-Series
Tukey The Studentized Range Distribution
typeof The Type of an Object

-- U --

unclass Object Classes
undebug Debug a function
Uniform The Uniform Distribution
unique Extract Unique Elements
uniroot One Dimensional Root Finding
units Graphical Units
unix Invoke a System Command
unix.time CPU Time Used
unlink Delete Files
unlist Flatten Lists
untrace Trace all calls to a function.
update Update and Re-fit a Model Call
update.default Update and Re-fit a Model Call
update.formula Model Updating
update.glm Update a [G]LM Model
update.lm Update a [G]LM Model
upper.tri Lower and Upper Triangular Part of a Matrix
UseMethod Class Methods
uspop The Population of the United States

-- V --

var Covariance Matrices
variable.names Case and Variable Names of Fitted Models
variable.names.default Case and Variable Names of Fitted Models
variable.names.lm Case and Variable Names of Fitted Models
vector Vectors
Version Version Information
version Version Information
vi Invoke a Text Editor
volcano Topographic Information for the Maunga Whau Volcano

-- W --

warning Warning Messages
warpbreaks The Number of Breaks in Yarn during Weaving
Weibull The Weibull Distribution
weighted.mean Weighted Arithmetic Mean
weights Accessing Linear Model Fits
weights.lm Accessing Linear Model Fits
which Which indices are TRUE ?
while Control Flow
Wilcoxon Distribution of the Wilcoxon Rank Sum Statistic
window Time Windows
window.default Time Windows
window.ts Time Windows
windows List of Graphical Devices
women Average Heights and Weights for American Women
write Write data to a file
write.socket Read from or write to a socket
write.table Data Output

-- X --

X11 X Window System Graphics
x11 X Window System Graphics
xedit Invoke a Text Editor
xemacs Invoke a Text Editor
xinch Graphical Units
xor Logical Operators
xpdrows.data.frame Data Frames
xy.coords Extracting Plotting Structures
xyinch Graphical Units

-- Y --

yinch Graphical Units

-- Z --

zapsmall Rounding of Numbers
[ Extract or Replace Parts of an Object
[.data.frame Extract or Replace Parts of an Object
[.factor Extract or Replace Parts of an Object
[.formula Extract or Replace Parts of an Object
[.noquote Class for ``no quote'' Printing of Strings
[.ts Extract or Replace Parts of an Object
[<- Extract or Replace Parts of an Object
[<-.data.frame Extract or Replace Parts of an Object
[<-.factor Extract or Replace Parts of an Object
[[ Extract or Replace Parts of an Object
[[.data.frame Extract or Replace Parts of an Object
[[<- Extract or Replace Parts of an Object
[[<-.data.frame Extract or Replace Parts of an Object
^ Arithmetic Operators
| Logical Operators
|| Logical Operators
~ Model Formulae