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stats (version 3.6.0)

The R Stats Package

Description

R statistical functions.

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Version

Version

3.6.0

License

Part of R 3.6.0

Last Published

December 12th, 2019

Functions in stats (3.6.0)

Binomial

The Binomial Distribution
Logistic

The Logistic Distribution
Lognormal

The Log Normal Distribution
Normal

The Normal Distribution
Poisson

The Poisson Distribution
Chisquare

The (non-central) Chi-Squared Distribution
Distributions

Distributions in the stats package
HoltWinters

Holt-Winters Filtering
SSbiexp

Self-Starting Nls Biexponential model
Hypergeometric

The Hypergeometric Distribution
NLSstRtAsymptote

Horizontal Asymptote on the Right Side
SSfol

Self-Starting Nls First-order Compartment Model
NegBinomial

The Negative Binomial Distribution
SSweibull

Self-Starting Nls Weibull Growth Curve Model
Uniform

The Uniform Distribution
SignRank

Distribution of the Wilcoxon Signed Rank Statistic
Weibull

The Weibull Distribution
alias

Find Aliases (Dependencies) in a Model
Tukey

The Studentized Range Distribution
TukeyHSD

Compute Tukey Honest Significant Differences
anova

Anova Tables
binom.test

Exact Binomial Test
case+variable.names

Case and Variable Names of Fitted Models
.checkMFClasses

Functions to Check the Type of Variables passed to Model Frames
biplot

Biplot of Multivariate Data
biplot.princomp

Biplot for Principal Components
delete.response

Modify Terms Objects
AIC

Akaike's An Information Criterion
birthday

Probability of coincidences
dendrapply

Apply a Function to All Nodes of a Dendrogram
cov.wt

Weighted Covariance Matrices
factanal

Factor Analysis
ARMAacf

Compute Theoretical ACF for an ARMA Process
IQR

The Interquartile Range
decompose

Classical Seasonal Decomposition by Moving Averages
cpgram

Plot Cumulative Periodogram
cutree

Cut a Tree into Groups of Data
KalmanLike

Kalman Filtering
expand.model.frame

Add new variables to a model frame
NLSstClosestX

Inverse Interpolation
factor.scope

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

Horizontal Asymptote on the Left Side
extractAIC

Extract AIC from a Fitted Model
kmeans

K-Means Clustering
StructTS

Fit Structural Time Series
fligner.test

Fligner-Killeen Test of Homogeneity of Variances
TDist

The Student t Distribution
Exponential

The Exponential Distribution
addmargins

Puts Arbitrary Margins on Multidimensional Tables or Arrays
kruskal.test

Kruskal-Wallis Rank Sum Test
FDist

The F Distribution
aggregate

Compute Summary Statistics of Data Subsets
ARMAtoMA

Convert ARMA Process to Infinite MA Process
Beta

The Beta Distribution
GammaDist

The Gamma Distribution
Multinom

The Multinomial Distribution
Geometric

The Geometric Distribution
NLSstAsymptotic

Fit the Asymptotic Regression Model
SSfpl

Self-Starting Nls Four-Parameter Logistic Model
formula

Model Formulae
SSD

SSD Matrix and Estimated Variance Matrix in Multivariate Models
lm.summaries

Accessing Linear Model Fits
SSgompertz

Self-Starting Nls Gompertz Growth Model
Wilcoxon

Distribution of the Wilcoxon Rank Sum Statistic
SSasymp

Self-Starting Nls Asymptotic Regression Model
anova.mlm

Comparisons between Multivariate Linear Models
identify.hclust

Identify Clusters in a Dendrogram
acf2AR

Compute an AR Process Exactly Fitting an ACF
add1

Add or Drop All Possible Single Terms to a Model
acf

Auto- and Cross- Covariance and -Correlation Function Estimation
influence.measures

Regression Deletion Diagnostics
kernapply

Apply Smoothing Kernel
aov

Fit an Analysis of Variance Model
kernel

Smoothing Kernel Objects
approxfun

Interpolation Functions
lm.fit

Fitter Functions for Linear Models
ar

Fit Autoregressive Models to Time Series
line

Robust Line Fitting
listof

A Class for Lists of (Parts of) Model Fits
ansari.test

Ansari-Bradley Test
ls.diag

Compute Diagnostics for lsfit Regression Results
mahalanobis

Mahalanobis Distance
make.link

Create a Link for GLM Families
asOneSidedFormula

Convert to One-Sided Formula
ls.print

Print lsfit Regression Results
ave

Group Averages Over Level Combinations of Factors
model.frame

Extracting the Model Frame from a Formula or Fit
model.matrix

Construct Design Matrices
arima0

ARIMA Modelling of Time Series -- Preliminary Version
ar.ols

Fit Autoregressive Models to Time Series by OLS
chisq.test

Pearson's Chi-squared Test for Count Data
model.tables

Compute Tables of Results from an Aov Model Fit
as.hclust

Convert Objects to Class hclust
Box.test

Box-Pierce and Ljung-Box Tests
cmdscale

Classical (Metric) Multidimensional Scaling
contrast

(Possibly Sparse) Contrast Matrices
cancor

Canonical Correlations
bandwidth

Bandwidth Selectors for Kernel Density Estimation
convolve

Convolution of Sequences via FFT
contrasts

Get and Set Contrast Matrices
mcnemar.test

McNemar's Chi-squared Test for Count Data
median

Median Value
dendrogram

General Tree Structures
monthplot

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

Bartlett Test of Homogeneity of Variances
numericDeriv

Evaluate Derivatives Numerically
nextn

Find Highly Composite Numbers
coef

Extract Model Coefficients
complete.cases

Find Complete Cases
density

Kernel Density Estimation
cophenetic

Cophenetic Distances for a Hierarchical Clustering
cor

Correlation, Variance and Covariance (Matrices)
SSasympOff

Self-Starting Nls Asymptotic Regression Model with an Offset
SSasympOrig

Self-Starting Nls Asymptotic Regression Model through the Origin
effects

Effects from Fitted Model
nlm

Non-Linear Minimization
cor.test

Test for Association/Correlation Between Paired Samples
embed

Embedding a Time Series
SSlogis

Self-Starting Nls Logistic Model
plot.isoreg

Plot Method for isoreg Objects
deriv

Symbolic and Algorithmic Derivatives of Simple Expressions
SSmicmen

Self-Starting Nls Michaelis-Menten Model
deviance

Model Deviance
ecdf

Empirical Cumulative Distribution Function
anova.glm

Analysis of Deviance for Generalized Linear Model Fits
df.residual

Residual Degrees-of-Freedom
filter

Linear Filtering on a Time Series
offset

Include an Offset in a Model Formula
anova.lm

ANOVA for Linear Model Fits
plot.lm

Plot Diagnostics for an lm Object
plot.spec

Plotting Spectral Densities
plot.stepfun

Plot Step Functions
arima

ARIMA Modelling of Time Series
arima.sim

Simulate from an ARIMA Model
diffinv

Discrete Integration: Inverse of Differencing
predict.glm

Predict Method for GLM Fits
family

Family Objects for Models
predict.lm

Predict method for Linear Model Fits
plot.acf

Plot Autocovariance and Autocorrelation Functions
fft

Fast Discrete Fourier Transform (FFT)
glm.control

Auxiliary for Controlling GLM Fitting
plot.density

Plot Method for Kernel Density Estimation
plot.ts

Plotting Time-Series Objects
print.ts

Printing and Formatting of Time-Series Objects
poisson.test

Exact Poisson tests
power.t.test

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

Phillips-Perron Test for Unit Roots
glm.summaries

Accessing Generalized Linear Model Fits
eff.aovlist

Compute Efficiencies of Multistratum Analysis of Variance
formula.nls

Extract Model Formula from nls Object
friedman.test

Friedman Rank Sum Test
integrate

Integration of One-Dimensional Functions
printCoefmat

Print Coefficient Matrices
confint

Confidence Intervals for Model Parameters
relevel

Reorder Levels of Factor
constrOptim

Linearly Constrained Optimization
reorder.dendrogram

Reorder a Dendrogram
hclust

Hierarchical Clustering
heatmap

Draw a Heat Map
profile

Generic Function for Profiling Models
se.contrast

Standard Errors for Contrasts in Model Terms
profile.nls

Method for Profiling nls Objects
dist

Distance Matrix Computation
dummy.coef

Extract Coefficients in Original Coding
proj

Projections of Models
selfStart

Construct Self-starting Nonlinear Models
fisher.test

Fisher's Exact Test for Count Data
summary.nls

Summarizing Non-Linear Least-Squares Model Fits
ks.test

Kolmogorov-Smirnov Tests
interaction.plot

Two-way Interaction Plot
fitted

Extract Model Fitted Values
ksmooth

Kernel Regression Smoother
getInitial

Get Initial Parameter Estimates
summary.princomp

Summary method for Principal Components Analysis
loadings

Print Loadings in Factor Analysis
terms

Model Terms
loess

Local Polynomial Regression Fitting
prop.test

Test of Equal or Given Proportions
loess.control

Set Parameters for Loess
logLik

Extract Log-Likelihood
glm

Fitting Generalized Linear Models
terms.formula

Construct a terms Object from a Formula
loglin

Fitting Log-Linear Models
lowess

Scatter Plot Smoothing
mantelhaen.test

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

Mauchly's Test of Sphericity
reorder.default

Reorder Levels of a Factor
ts.union

Bind Two or More Time Series
tsSmooth

Use Fixed-Interval Smoothing on Time Series
oneway.test

Test for Equal Means in a One-Way Layout
replications

Number of Replications of Terms
naresid

Adjust for Missing Values
fivenum

Tukey Five-Number Summaries
smoothEnds

End Points Smoothing (for Running Medians)
sortedXyData

Create a sortedXyData Object
stats-deprecated

Deprecated Functions in Package stats
stats-package

The R Stats Package
summary.lm

Summarizing Linear Model Fits
summary.manova

Summary Method for Multivariate Analysis of Variance
ftable

Flat Contingency Tables
naprint

Adjust for Missing Values
optimize

One Dimensional Optimization
t.test

Student's t-Test
lag

Lag a Time Series
optim

General-purpose Optimization
ftable.formula

Formula Notation for Flat Contingency Tables
is.empty.model

Test if a Model's Formula is Empty
p.adjust

Adjust P-values for Multiple Comparisons
order.dendrogram

Ordering or Labels of the Leaves in a Dendrogram
pairwise.prop.test

Pairwise comparisons for proportions
lag.plot

Time Series Lag Plots
lsfit

Find the Least Squares Fit
mad

Median Absolute Deviation
termplot

Plot Regression Terms
weights

Extract Model Weights
plot.ppr

Plot Ridge Functions for Projection Pursuit Regression Fit
plot.profile.nls

Plot a profile.nls Object
isoreg

Isotonic / Monotone Regression
medpolish

Median Polish (Robust Twoway Decomposition) of a Matrix
pairwise.wilcox.test

Pairwise Wilcoxon Rank Sum Tests
model.extract

Extract Components from a Model Frame
plot.HoltWinters

Plot function for HoltWinters objects
wilcox.test

Wilcoxon Rank Sum and Signed Rank Tests
prcomp

Principal Components Analysis
power.anova.test

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

Mood Two-Sample Test of Scale
power.prop.test

Power Calculations for Two-Sample Test for Proportions
lm

Fitting Linear Models
predict

Model Predictions
lm.influence

Regression Diagnostics
makepredictcall

Utility Function for Safe Prediction
predict.HoltWinters

Prediction Function for Fitted Holt-Winters Models
quade.test

Quade Test
predict.Arima

Forecast from ARIMA fits
manova

Multivariate Analysis of Variance
princomp

Principal Components Analysis
na.action

NA Action
print.power.htest

Print Methods for Hypothesis Tests and Power Calculation Objects
read.ftable

Manipulate Flat Contingency Tables
na.contiguous

Find Longest Contiguous Stretch of non-NAs
na.fail

Handle Missing Values in Objects
rect.hclust

Draw Rectangles Around Hierarchical Clusters
quantile

Sample Quantiles
setNames

Set the Names in an Object
shapiro.test

Shapiro-Wilk Normality Test
splinefun

Interpolating Splines
start

Encode the Terminal Times of Time Series
screeplot

Screeplots
stl

Seasonal Decomposition of Time Series by Loess
nls.control

Control the Iterations in nls
stlmethods

Methods for STL Objects
ts

Time-Series Objects
ts.plot

Plot Multiple Time Series
sd

Standard Deviation
nobs

Extract the Number of Observations from a Fit.
C

Sets Contrasts for a Factor
sigma

Extract Residual Standard Deviation 'Sigma'
simulate

Simulate Responses
nlminb

Optimization using PORT routines
spec.ar

Estimate Spectral Density of a Time Series from AR Fit
spec.pgram

Estimate Spectral Density of a Time Series by a Smoothed Periodogram
summary.aov

Summarize an Analysis of Variance Model
summary.glm

Summarizing Generalized Linear Model Fits
nls

Nonlinear Least Squares
ppoints

Ordinates for Probability Plotting
terms.object

Description of Terms Objects
pairwise.t.test

Pairwise t tests
pairwise.table

Tabulate p values for pairwise comparisons
poly

Compute Orthogonal Polynomials
time

Sampling Times of Time Series
power

Create a Power Link Object
update.formula

Model Updating
ppr

Projection Pursuit Regression
predict.loess

Predict Loess Curve or Surface
var.test

F Test to Compare Two Variances
predict.nls

Predicting from Nonlinear Least Squares Fits
r2dtable

Random 2-way Tables with Given Marginals
rWishart

Random Wishart Distributed Matrices
predict.smooth.spline

Predict from Smoothing Spline Fit
preplot

Pre-computations for a Plotting Object
prop.trend.test

Test for trend in proportions
window

Time Windows
qqnorm

Quantile-Quantile Plots
xtabs

Cross Tabulation
reshape

Reshape Grouped Data
runmed

Running Medians -- Robust Scatter Plot Smoothing
scatter.smooth

Scatter Plot with Smooth Curve Fitted by Loess
stat.anova

GLM Anova Statistics
stats-defunct

Defunct Functions in Package stats
supsmu

Friedman's SuperSmoother
symnum

Symbolic Number Coding
tsdiag

Diagnostic Plots for Time-Series Fits
residuals

Extract Model Residuals
smooth

Tukey's (Running Median) Smoothing
smooth.spline

Fit a Smoothing Spline
spec.taper

Taper a Time Series by a Cosine Bell
spectrum

Spectral Density Estimation
step

Choose a model by AIC in a Stepwise Algorithm
stepfun

Step Functions - Creation and Class
tsp

Tsp Attribute of Time-Series-like Objects
weighted.mean

Weighted Arithmetic Mean
weighted.residuals

Compute Weighted Residuals
toeplitz

Form Symmetric Toeplitz Matrix
ts-methods

Methods for Time Series Objects
uniroot

One Dimensional Root (Zero) Finding
update

Update and Re-fit a Model Call
varimax

Rotation Methods for Factor Analysis
vcov

Calculate Variance-Covariance Matrix for a Fitted Model Object
Cauchy

The Cauchy Distribution