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stats (version 3.3.3)

The R Stats Package

Description

R statistical functions.

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Version

Version

3.3.3

License

Part of R 3.3.3

Last Published

December 12th, 2019

Functions in stats (3.3.3)

aggregate

Compute Summary Statistics of Data Subsets
anova.lm

ANOVA for Linear Model Fits
addmargins

acf

Auto- and Cross- Covariance and -Correlation Function Estimation
acf2AR

Compute an AR Process Exactly Fitting an ACF
anova.glm

Analysis of Deviance for Generalized Linear Model Fits
add1

Add or Drop All Possible Single Terms to a Model
anova.mlm

Comparisons between Multivariate Linear Models
AIC

Akaike's An Information Criterion
alias

Find Aliases (Dependencies) in a Model
ar.ols

Fit Autoregressive Models to Time Series by OLS
ar

Fit Autoregressive Models to Time Series
ARMAacf

Compute Theoretical ACF for an ARMA Process
arima0

ARIMA Modelling of Time Series -- Preliminary Version
ansari.test

Ansari-Bradley Test
approxfun

Interpolation Functions
aov

Fit an Analysis of Variance Model
arima.sim

Simulate from an ARIMA Model
anova

Anova Tables
arima

ARIMA Modelling of Time Series
ave

Group Averages Over Level Combinations of Factors
binom.test

Exact Binomial Test
as.hclust

Convert Objects to Class hclust
asOneSidedFormula

Convert to One-Sided Formula
biplot.princomp

ARMAtoMA

Convert ARMA Process to Infinite MA Process
bartlett.test

Bartlett Test of Homogeneity of Variances
Binomial

The Binomial Distribution
Beta

The Beta Distribution
bandwidth

Bandwidth Selectors for Kernel Density Estimation
Exponential

The Exponential Distribution
Distributions

Distributions in the stats package
FDist

The F Distribution
Chisquare

The (non-central) Chi-Squared Distribution
Cauchy

The Cauchy Distribution
IQR

The Interquartile Range
Logistic

The Logistic Distribution
Lognormal

The Log Normal Distribution
Multinom

The Multinomial Distribution
KalmanLike

Kalman Filtering
NLSstAsymptotic

Fit the Asymptotic Regression Model
GammaDist

The Gamma Distribution
Geometric

The Geometric Distribution
HoltWinters

Holt-Winters Filtering
Hypergeometric

The Hypergeometric Distribution
NLSstLfAsymptote

Horizontal Asymptote on the Left Side
NegBinomial

The Negative Binomial Distribution
Normal

The Normal Distribution
SSasympOrig

Self-Starting Nls Asymptotic Regression Model through the Origin
NLSstRtAsymptote

Horizontal Asymptote on the Right Side
SSasympOff

Self-Starting Nls Asymptotic Regression Model with an Offset
NLSstClosestX

Inverse Interpolation
SSD

SSD Matrix and Estimated Variance Matrix in Multivariate Models
SSasymp

Self-Starting Nls Asymptotic Regression Model
Poisson

The Poisson Distribution
SSfpl

Self-Starting Nls Four-Parameter Logistic Model
SSbiexp

Self-Starting Nls Biexponential model
SSweibull

Self-Starting Nls Weibull Growth Curve Model
SignRank

Distribution of the Wilcoxon Signed Rank Statistic
SSlogis

Self-Starting Nls Logistic Model
SSmicmen

Self-Starting Nls Michaelis-Menten Model
SSgompertz

Self-Starting Nls Gompertz Growth Model
SSfol

Self-Starting Nls First-order Compartment Model
StructTS

Fit Structural Time Series
TDist

The Student t Distribution
Uniform

The Uniform Distribution
Tukey

The Studentized Range Distribution
TukeyHSD

Compute Tukey Honest Significant Differences
Wilcoxon

Distribution of the Wilcoxon Rank Sum Statistic
Weibull

The Weibull Distribution
biplot

Biplot of Multivariate Data
birthday

Probability of coincidences
coef

Extract Model Coefficients
cancor

Canonical Correlations
case+variable.names

Case and Variable Names of Fitted Models
cmdscale

Classical (Metric) Multidimensional Scaling
chisq.test

Pearson's Chi-squared Test for Count Data
.checkMFClasses

Functions to Check the Type of Variables passed to Model Frames
Box.test

Box-Pierce and Ljung-Box Tests
complete.cases

Find Complete Cases
convolve

Convolution of Sequences via FFT
contrasts

Get and Set Contrast Matrices
cor

Correlation, Variance and Covariance (Matrices)
cpgram

cophenetic

Cophenetic Distances for a Hierarchical Clustering
confint

Confidence Intervals for Model Parameters
constrOptim

Linearly Constrained Optimization
contrast

(Possibly Sparse) Contrast Matrices
cor.test

Test for Association/Correlation Between Paired Samples
dendrapply

Apply a Function to All Nodes of a Dendrogram
df.residual

Residual Degrees-of-Freedom
cov.wt

Weighted Covariance Matrices
diffinv

Discrete Integration: Inverse of Differencing
cutree

Cut a Tree into Groups of Data
dendrogram

General Tree Structures
density

Kernel Density Estimation
deviance

Model Deviance
decompose

delete.response

Modify Terms Objects
deriv

Symbolic and Algorithmic Derivatives of Simple Expressions
dummy.coef

Extract Coefficients in Original Coding
dist

Distance Matrix Computation
filter

Linear Filtering on a Time Series
extractAIC

Extract AIC from a Fitted Model
expand.model.frame

Add new variables to a model frame
fisher.test

Fisher's Exact Test for Count Data
ecdf

Empirical Cumulative Distribution Function
eff.aovlist

Compute Efficiencies of Multistratum Analysis of Variance
fitted

Extract Model Fitted Values
fivenum

Tukey Five-Number Summaries
effects

Effects from Fitted Model
ftable

Flat Contingency Tables
ftable.formula

Formula Notation for Flat Contingency Tables
embed

Embedding a Time Series
family

Family Objects for Models
getInitial

Get Initial Parameter Estimates
fft

Fast Discrete Fourier Transform (FFT)
glm

Fitting Generalized Linear Models
is.empty.model

Test if a Model's Formula is Empty
isoreg

Isotonic / Monotone Regression
formula

Model Formulae
kruskal.test

Kruskal-Wallis Rank Sum Test
kmeans

fligner.test

Fligner-Killeen Test of Homogeneity of Variances
identify.hclust

Identify Clusters in a Dendrogram
lag.plot

Time Series Lag Plots
lag

Lag a Time Series
influence.measures

Regression Deletion Diagnostics
lm.summaries

Accessing Linear Model Fits
lm.fit

Fitter Functions for Linear Models
mahalanobis

Mahalanobis Distance
nextn

Highly Composite Numbers
manova

Multivariate Analysis of Variance
makepredictcall

Utility Function for Safe Prediction
make.link

Create a Link for GLM Families
factor.scope

Compute Allowed Changes in Adding to or Dropping from a Formula
factanal

Factor Analysis
nlm

Non-Linear Minimization
hclust

Hierarchical Clustering
heatmap

Draw a Heat Map
ks.test

Kolmogorov-Smirnov Tests
ksmooth

Kernel Regression Smoother
line

Robust Line Fitting
nls.control

Control the Iterations in nls
nobs

listof

A Class for Lists of (Parts of) Model Fits
loglin

Fitting Log-Linear Models
lowess

Scatter Plot Smoothing
plot.isoreg

Plot Method for isoreg Objects
plot.lm

Plot Diagnostics for an lm Object
median

Median Value
lsfit

Find the Least Squares Fit
mad

Median Absolute Deviation
lm.influence

Regression Diagnostics
lm

Fitting Linear Models
mcnemar.test

McNemar's Chi-squared Test for Count Data
na.contiguous

Find Longest Contiguous Stretch of non-NAs
na.fail

Handle Missing Values in Objects
oneway.test

Test for Equal Means in a One-Way Layout
optim

General-purpose Optimization
power.t.test

Power calculations for one and two sample t tests
PP.test

Phillips-Perron Test for Unit Roots
power.anova.test

Power Calculations for Balanced One-Way Analysis of Variance Tests
power.prop.test

Power Calculations for Two-Sample Test for Proportions
pairwise.prop.test

Pairwise comparisons for proportions
p.adjust

Adjust P-values for Multiple Comparisons
formula.nls

Extract Model Formula from nls Object
friedman.test

Friedman Rank Sum Test
kernapply

Apply Smoothing Kernel
kernel

Smoothing Kernel Objects
medpolish

Median Polish (Robust Twoway Decomposition) of a Matrix
ls.diag

Compute Diagnostics for
ls.print

Print
loadings

Print Loadings in Factor Analysis
loess

Local Polynomial Regression Fitting
read.ftable

Manipulate Flat Contingency Tables
model.extract

Extract Components from a Model Frame
screeplot

Screeplots
rect.hclust

Draw Rectangles Around Hierarchical Clusters
start

Encode the Terminal Times of Time Series
splinefun

Interpolating Splines
sd

Standard Deviation
smooth

Tukey's (Running Median) Smoothing
smooth.spline

Fit a Smoothing Spline
mantelhaen.test

Cochran-Mantel-Haenszel Chi-Squared Test for Count Data
mauchly.test

Mauchly's Test of Sphericity
plot.spec

Plotting Spectral Densities
plot.HoltWinters

Plot function for HoltWinters objects
pairwise.wilcox.test

Pairwise Wilcoxon Rank Sum Tests
predict.loess

Predict Loess Curve or Surface
plot.stepfun

Plot Step Functions
prcomp

Principal Components Analysis
predict.HoltWinters

Prediction Function for Fitted Holt-Winters Models
model.matrix

Construct Design Matrices
model.tables

Compute Tables of Results from an Aov Model Fit
monthplot

model.frame

Extracting the Model Frame from a Formula or Fit
predict.nls

Predicting from Nonlinear Least Squares Fits
optimize

One Dimensional Optimization
pairwise.t.test

Pairwise t tests
pairwise.table

Tabulate p values for pairwise comparisons
plot.ts

Plotting Time-Series Objects
order.dendrogram

Ordering or Labels of the Leaves in a Dendrogram
poisson.test

Exact Poisson tests
na.action

NA Action
mood.test

Mood Two-Sample Test of Scale
numericDeriv

Evaluate Derivatives Numerically
plot.acf

Plot Autocovariance and Autocorrelation Functions
offset

Include an Offset in a Model Formula
predict.Arima

Forecast from ARIMA fits
predict

Model Predictions
plot.density

Plot Method for Kernel Density Estimation
poly

Compute Orthogonal Polynomials
power

Create a Power Link Object
integrate

Integration of One-Dimensional Functions
loess.control

Set Parameters for Loess
interaction.plot

Two-way Interaction Plot
glm.control

Auxiliary for Controlling GLM Fitting
glm.summaries

Accessing Generalized Linear Model Fits
logLik

Extract Log-Likelihood
naresid

naprint

nlminb

Optimization using PORT routines
nls

Nonlinear Least Squares
profile.nls

Method for Profiling nls Objects
reorder.default

Reorder Levels of a Factor
profile

Generic Function for Profiling Models
predict.lm

Predict method for Linear Model Fits
predict.glm

Predict Method for GLM Fits
replications

Number of Replications of Terms
se.contrast

Standard Errors for Contrasts in Model Terms
selfStart

Construct Self-starting Nonlinear Models
spec.ar

Estimate Spectral Density of a Time Series from AR Fit
uniroot

One Dimensional Root (Zero) Finding
spec.pgram

Estimate Spectral Density of a Time Series by a Smoothed
t.test

Student's t-Test
termplot

Plot Regression Terms
weighted.mean

Weighted Arithmetic Mean
update

Update and Re-fit a Model Call
weighted.residuals

Compute Weighted Residuals
printCoefmat

Print Coefficient Matrices
r2dtable

Random 2-way Tables with Given Marginals
print.ts

Printing and Formatting of Time-Series Objects
rWishart

Random Wishart Distributed Matrices
relevel

Reorder Levels of Factor
reorder.dendrogram

Reorder a Dendrogram
summary.aov

Summarize an Analysis of Variance Model
summary.glm

Summarizing Generalized Linear Model Fits
terms.object

Description of Terms Objects
print.power.htest

Print Methods for Hypothesis Tests and Power Calculation Objects
reshape

Reshape Grouped Data
time

Sampling Times of Time Series
quade.test

Quade Test
C

Sets Contrasts for a Factor
princomp

Principal Components Analysis
quantile

Sample Quantiles
ts.plot

Plot Multiple Time Series
ts

Time-Series Objects
residuals

Extract Model Residuals
stats-defunct

Defunct Functions in Package
scatter.smooth

Scatter Plot with Smooth Curve Fitted by Loess
smoothEnds

End Points Smoothing (for Running Medians)
prop.trend.test

Test for trend in proportions
qqnorm

Quantile-Quantile Plots
sigma

Extract Residual Standard Deviation 'Sigma'
sortedXyData

Create a
simulate

Simulate Responses
stat.anova

GLM Anova Statistics
runmed

Running Medians -- Robust Scatter Plot Smoothing
spec.taper

Taper a Time Series by a Cosine Bell
spectrum

Spectral Density Estimation
predict.smooth.spline

Predict from Smoothing Spline Fit
summary.manova

Summary Method for Multivariate Analysis of Variance
ppr

Projection Pursuit Regression
plot.profile.nls

Plot a profile.nls Object
plot.ppr

preplot

Pre-computations for a Plotting Object
ppoints

Ordinates for Probability Plotting
summary.lm

Summarizing Linear Model Fits
toeplitz

Form Symmetric Toeplitz Matrix
var.test

F Test to Compare Two Variances
update.formula

Model Updating
summary.princomp

Summary method for Principal Components Analysis
proj

Projections of Models
summary.nls

Summarizing Non-Linear Least-Squares Model Fits
ts-methods

Methods for Time Series Objects
shapiro.test

Shapiro-Wilk Normality Test
setNames

Set the Names in an Object
prop.test

Test of Equal or Given Proportions
stepfun

Step Functions - Creation and Class
ts.union

Bind Two or More Time Series
tsSmooth

Use Fixed-Interval Smoothing on Time Series
weights

Extract Model Weights
wilcox.test

Wilcoxon Rank Sum and Signed Rank Tests
terms

Model Terms
terms.formula

Construct a terms Object from a Formula
window

Time Windows
xtabs

Cross Tabulation
step

varimax

Rotation Methods for Factor Analysis
stlmethods

Methods for STL Objects
stl

Seasonal Decomposition of Time Series by Loess
stats-deprecated

Deprecated Functions in Package
stats-package

vcov

tsdiag

Diagnostic Plots for Time-Series Fits
symnum

Symbolic Number Coding
supsmu

Friedman's SuperSmoother
tsp

Tsp Attribute of Time-Series-like Objects