# Functions installed in R_HOME

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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

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

## -- A --

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

## -- B --

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

## -- C --

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

## -- D --

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

## -- E --

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

## -- F --

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

## -- G --

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

## -- H --

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

## -- I --

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

## -- J --

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

## -- K --

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

## -- L --

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

## -- M --

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

## -- N --

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

## -- O --

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

## -- P --

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

## -- Q --

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

## -- R --

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

## -- S --

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

## -- T --

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

## -- U --

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

## -- V --

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

## -- W --

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

## -- X --

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

## -- Y --

yinch | Graphical Units (base)

## -- Z --

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