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stats (version 3.2.4)

The R Stats Package

Description

R statistical functions.

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Version

Version

3.2.4

License

Part of R 3.2.4

Maintainer

R-core R-core@R-project.org

Last Published

December 12th, 2019

Functions in stats (3.2.4)

anova

Anova Tables
aggregate

Compute Summary Statistics of Data Subsets
acf

Auto- and Cross- Covariance and -Correlation Function Estimation
anova.glm

Analysis of Deviance for Generalized Linear Model Fits
add1

Add or Drop All Possible Single Terms to a Model
AIC

Akaike's An Information Criterion
addmargins

Puts Arbitrary Margins on Multidimensional Tables or Arrays
anova.lm

ANOVA for Linear Model Fits
acf2AR

Compute an AR Process Exactly Fitting an ACF
alias

Find Aliases (Dependencies) in a Model
arima0

ARIMA Modelling of Time Series -- Preliminary Version
anova.mlm

Comparisons between Multivariate Linear Models
arima

ARIMA Modelling of Time Series
arima.sim

Simulate from an ARIMA Model
ansari.test

Ansari-Bradley Test
aov

Fit an Analysis of Variance Model
ar.ols

Fit Autoregressive Models to Time Series by OLS
ARMAacf

Compute Theoretical ACF for an ARMA Process
approxfun

Interpolation Functions
ar

Fit Autoregressive Models to Time Series
biplot

Biplot of Multivariate Data
ARMAtoMA

Convert ARMA Process to Infinite MA Process
ave

Group Averages Over Level Combinations of Factors
binom.test

Exact Binomial Test
bandwidth

Bandwidth Selectors for Kernel Density Estimation
Binomial

The Binomial Distribution
asOneSidedFormula

Convert to One-Sided Formula
Beta

The Beta Distribution
as.hclust

Convert Objects to Class hclust
bartlett.test

Bartlett Test of Homogeneity of Variances
Box.test

Box-Pierce and Ljung-Box Tests
Cauchy

The Cauchy Distribution
biplot.princomp

Biplot for Principal Components
Chisquare

The (non-central) Chi-Squared Distribution
cmdscale

Classical (Metric) Multidimensional Scaling
cancor

Canonical Correlations
birthday

Probability of coincidences
case+variable.names

Case and Variable Names of Fitted Models
.checkMFClasses

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

Pearson's Chi-squared Test for Count Data
confint

Confidence Intervals for Model Parameters
convolve

Convolution of Sequences via FFT
contrast

(Possibly Sparse) Contrast Matrices
contrasts

Get and Set Contrast Matrices
coef

Extract Model Coefficients
cophenetic

Cophenetic Distances for a Hierarchical Clustering
cor.test

Test for Association/Correlation Between Paired Samples
complete.cases

Find Complete Cases
cor

Correlation, Variance and Covariance (Matrices)
constrOptim

Linearly Constrained Optimization
df.residual

Residual Degrees-of-Freedom
cpgram

Plot Cumulative Periodogram
cutree

Cut a Tree into Groups of Data
cov.wt

Weighted Covariance Matrices
delete.response

Modify Terms Objects
decompose

Classical Seasonal Decomposition by Moving Averages
deriv

Symbolic and Algorithmic Derivatives of Simple Expressions
density

Kernel Density Estimation
dendrapply

Apply a Function to All Nodes of a Dendrogram
deviance

Model Deviance
expand.model.frame

Add new variables to a model frame
extractAIC

Extract AIC from a Fitted Model
effects

Effects from Fitted Model
eff.aovlist

Compute Efficiencies of Multistratum Analysis of Variance
ecdf

Empirical Cumulative Distribution Function
embed

Embedding a Time Series
dummy.coef

Extract Coefficients in Original Coding
Distributions

Distributions in the stats package
diffinv

Discrete Integration: Inverse of Differencing
dist

Distance Matrix Computation
fitted

Extract Model Fitted Values
fivenum

Tukey Five-Number Summaries
GammaDist

The Gamma Distribution
is.empty.model

Test if a Model's Formula is Empty
Geometric

The Geometric Distribution
IQR

The Interquartile Range
FDist

The F Distribution
fft

Fast Discrete Fourier Transform (FFT)
getInitial

Get Initial Parameter Estimates
glm.control

Auxiliary for Controlling GLM Fitting
kernapply

Apply Smoothing Kernel
kernel

Smoothing Kernel Objects
factor.scope

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

The Hypergeometric Distribution
HoltWinters

Holt-Winters Filtering
family

Family Objects for Models
isoreg

Isotonic / Monotone Regression
KalmanLike

Kalman Filtering
listof

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

Robust Line Fitting
filter

Linear Filtering on a Time Series
fisher.test

Fisher's Exact Test for Count Data
glm

Fitting Generalized Linear Models
influence.measures

Regression Deletion Diagnostics
identify.hclust

Identify Clusters in a Dendrogram
glm.summaries

Accessing Generalized Linear Model Fits
ksmooth

Kernel Regression Smoother
ks.test

Kolmogorov-Smirnov Tests
loess.control

Set Parameters for Loess
loadings

Print Loadings in Factor Analysis
loglin

Fitting Log-Linear Models
Lognormal

The Log Normal Distribution
model.extract

Extract Components from a Model Frame
medpolish

Median Polish of a Matrix
NegBinomial

The Negative Binomial Distribution
oneway.test

Test for Equal Means in a One-Way Layout
nextn

Highly Composite Numbers
optim

General-purpose Optimization
pairwise.t.test

Pairwise t tests
pairwise.table

Tabulate p values for pairwise comparisons
kmeans

K-Means Clustering
lm.influence

Regression Diagnostics
kruskal.test

Kruskal-Wallis Rank Sum Test
lowess

Scatter Plot Smoothing
lm

Fitting Linear Models
model.tables

Compute Tables of Results from an Aov Model Fit
model.matrix

Construct Design Matrices
ls.diag

Compute Diagnostics for lsfit Regression Results
na.contiguous

Find Longest Contiguous Stretch of non-NAs
formula.nls

Extract Model Formula from nls Object
friedman.test

Friedman Rank Sum Test
heatmap

Draw a Heat Map
hclust

Hierarchical Clustering
lag.plot

Time Series Lag Plots
lag

Lag a Time Series
manova

Multivariate Analysis of Variance
makepredictcall

Utility Function for Safe Prediction
naresid

Adjust for Missing Values
mantelhaen.test

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

Mauchly's Test of Sphericity
naprint

Adjust for Missing Values
NLSstClosestX

Inverse Interpolation
NLSstAsymptotic

Fit the Asymptotic Regression Model
plot.acf

Plot Autocovariance and Autocorrelation Functions
pairwise.wilcox.test

Pairwise Wilcoxon Rank Sum Tests
lm.summaries

Accessing Linear Model Fits
lm.fit

Fitter Functions for Linear Models
mcnemar.test

McNemar's Chi-squared Test for Count Data
nobs

Extract the Number of Observations from a Fit.
median

Median Value
Normal

The Normal Distribution
p.adjust

Adjust P-values for Multiple Comparisons
plot.spec

Plotting Spectral Densities
pairwise.prop.test

Pairwise comparisons for proportions
plot.stepfun

Plot Step Functions
power.t.test

Power calculations for one and two sample t tests
predict.smooth.spline

Predict from Smoothing Spline Fit
PP.test

Phillips-Perron Test for Unit Roots
prop.trend.test

Test for trend in proportions
preplot

Pre-computations for a Plotting Object
qqnorm

Quantile-Quantile Plots
replications

Number of Replications of Terms
smoothEnds

End Points Smoothing (for Running Medians)
reshape

Reshape Grouped Data
smooth.spline

Fit a Smoothing Spline
prcomp

Principal Components Analysis
predict.Arima

Forecast from ARIMA fits
print.ts

Printing and Formatting of Time-Series Objects
printCoefmat

Print Coefficient Matrices
profile

Generic Function for Profiling Models
profile.nls

Method for Profiling nls Objects
smooth

Tukey's (Running Median) Smoothing
SignRank

Distribution of the Wilcoxon Signed Rank Statistic
spectrum

Spectral Density Estimation
fligner.test

Fligner-Killeen Test of Homogeneity of Variances
ftable.formula

Formula Notation for Flat Contingency Tables
formula

Model Formulae
integrate

Integration of One-Dimensional Functions
ftable

Flat Contingency Tables
interaction.plot

Two-way Interaction Plot
mahalanobis

Mahalanobis Distance
make.link

Create a Link for GLM Families
monthplot

Plot a Seasonal or other Subseries from a Time Series
mood.test

Mood Two-Sample Test of Scale
Multinom

The Multinomial Distribution
na.action

NA Action
plot.isoreg

Plot Method for isoreg Objects
plot.lm

Plot Diagnostics for an lm Object
predict

Model Predictions
predict.lm

Predict method for Linear Model Fits
r2dtable

Random 2-way Tables with Given Marginals
read.ftable

Manipulate Flat Contingency Tables
rWishart

Random Wishart Distributed Matrices
setNames

Set the Names in an Object
scatter.smooth

Scatter Plot with Smooth Curve Fitted by Loess
splinefun

Interpolating Splines
SSlogis

Self-Starting Nls Logistic Model
stl

Seasonal Decomposition of Time Series by Loess
SSmicmen

Self-Starting Nls Michaelis-Menten Model
stlmethods

Methods for STL Objects
ts

Time-Series Objects
ts.plot

Plot Multiple Time Series
Uniform

The Uniform Distribution
uniroot

One Dimensional Root (Zero) Finding
Logistic

The Logistic Distribution
logLik

Extract Log-Likelihood
lsfit

Find the Least Squares Fit
ls.print

Print lsfit Regression Results
nlm

Non-Linear Minimization
nls.control

Control the Iterations in nls
NLSstLfAsymptote

Horizontal Asymptote on the Left Side
NLSstRtAsymptote

Horizontal Asymptote on the Right Side
optimize

One Dimensional Optimization
order.dendrogram

Ordering or Labels of the Leaves in a Dendrogram
na.fail

Handle Missing Values in Objects
offset

Include an Offset in a Model Formula
numericDeriv

Evaluate Derivatives Numerically
plot.density

Plot Method for Kernel Density Estimation
plot.HoltWinters

Plot function for HoltWinters objects
plot.ts

Plotting Time-Series Objects
Poisson

The Poisson Distribution
power

Create a Power Link Object
power.prop.test

Power Calculations for Two-Sample Test for Proportions
princomp

Principal Components Analysis
poisson.test

Exact Poisson tests
ppoints

Ordinates for Probability Plotting
power.anova.test

Power Calculations for Balanced One-Way Analysis of Variance Tests
predict.loess

Predict Loess Curve or Surface
ppr

Projection Pursuit Regression
predict.nls

Predicting from Nonlinear Least Squares Fits
prop.test

Test of Equal or Given Proportions
proj

Projections of Models
rect.hclust

Draw Rectangles Around Hierarchical Clusters
relevel

Reorder Levels of Factor
spec.pgram

Estimate Spectral Density of a Time Series by a Smoothed Periodogram
spec.taper

Taper a Time Series by a Cosine Bell
SSfpl

Self-Starting Nls Four-Parameter Logistic Model
SSgompertz

Self-Starting Nls Gompertz Growth Model
summary.aov

Summarize an Analysis of Variance Model
StructTS

Fit Structural Time Series
terms

Model Terms
terms.formula

Construct a terms Object from a Formula
tsp

Tsp Attribute of Time-Series-like Objects
print.power.htest

Print Methods for Hypothesis Tests and Power Calculation Objects
tsSmooth

Use Fixed-Interval Smoothing on Time Series
quade.test

Quade Test
quantile

Sample Quantiles
screeplot

Screeplots
reorder.default

Reorder Levels of a Factor
reorder.dendrogram

Reorder a Dendrogram
SSasymp

Self-Starting Nls Asymptotic Regression Model
sd

Standard Deviation
SSasympOff

Self-Starting Nls Asymptotic Regression Model with an Offset
var.test

F Test to Compare Two Variances
varimax

Rotation Methods for Factor Analysis
weighted.mean

Weighted Arithmetic Mean
weighted.residuals

Compute Weighted Residuals
SSweibull

Self-Starting Nls Weibull Growth Curve Model
spec.ar

Estimate Spectral Density of a Time Series from AR Fit
sortedXyData

Create a sortedXyData Object
start

Encode the Terminal Times of Time Series
step

Choose a model by AIC in a Stepwise Algorithm
symnum

Symbolic Number Coding
stepfun

Step Functions - Creation and Class
t.test

Student's t-Test
ts.union

Bind Two or More Time Series
tsdiag

Diagnostic Plots for Time-Series Fits
SSasympOrig

Self-Starting Nls Asymptotic Regression Model through the Origin
shapiro.test

Shapiro-Wilk Normality Test
SSbiexp

Self-Starting Nls Biexponential model
stat.anova

GLM Anova Statistics
stats-defunct

Defunct Functions in Package stats
stats-deprecated

Deprecated Functions in Package stats
stats-package

The R Stats Package
summary.manova

Summary Method for Multivariate Analysis of Variance
summary.nls

Summarizing Non-Linear Least-Squares Model Fits
plot.ppr

Plot Ridge Functions for Projection Pursuit Regression Fit
predict.glm

Predict Method for GLM Fits
plot.profile.nls

Plot a profile.nls Object
predict.HoltWinters

Prediction Function for Fitted Holt-Winters Models
runmed

Running Medians -- Robust Scatter Plot Smoothing
residuals

Extract Model Residuals
se.contrast

Standard Errors for Contrasts in Model Terms
SSD

SSD Matrix and Estimated Variance Matrix in Multivariate Models
selfStart

Construct Self-starting Nonlinear Models
summary.glm

Summarizing Generalized Linear Model Fits
TDist

The Student t Distribution
summary.lm

Summarizing Linear Model Fits
terms.object

Description of Terms Objects
termplot

Plot Regression Terms
time

Sampling Times of Time Series
update

Update and Re-fit a Model Call
update.formula

Model Updating
weights

Extract Model Weights
SSfol

Self-Starting Nls First-order Compartment Model
summary.princomp

Summary method for Principal Components Analysis
supsmu

Friedman's SuperSmoother
toeplitz

Form Symmetric Toeplitz Matrix
Tukey

The Studentized Range Distribution
ts-methods

Methods for Time Series Objects
TukeyHSD

Compute Tukey Honest Significant Differences
C

Sets Contrasts for a Factor
Wilcoxon

Distribution of the Wilcoxon Rank Sum Statistic
vcov

Calculate Variance-Covariance Matrix for a Fitted Model Object
Weibull

The Weibull Distribution
window

Time Windows
wilcox.test

Wilcoxon Rank Sum and Signed Rank Tests