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stats (version 3.5.3)

The R Stats Package

Description

R statistical functions.

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Version

Version

3.5.3

License

Part of R 3.5.3

Last Published

December 12th, 2019

Functions in stats (3.5.3)

Hypergeometric

The Hypergeometric Distribution
Wilcoxon

Distribution of the Wilcoxon Rank Sum Statistic
NLSstClosestX

Inverse Interpolation
NLSstLfAsymptote

Horizontal Asymptote on the Left Side
Beta

The Beta Distribution
ARMAtoMA

Convert ARMA Process to Infinite MA Process
Normal

The Normal Distribution
order.dendrogram

Ordering or Labels of the Leaves in a Dendrogram
Poisson

The Poisson Distribution
coef

Extract Model Coefficients
print.ts

Printing and Formatting of Time-Series Objects
StructTS

Fit Structural Time Series
HoltWinters

Holt-Winters Filtering
acf

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

Self-Starting Nls Biexponential model
SSfol

Self-Starting Nls First-order Compartment Model
acf2AR

Compute an AR Process Exactly Fitting an ACF
glm.summaries

Accessing Generalized Linear Model Fits
add1

Add or Drop All Possible Single Terms to a Model
ar

Fit Autoregressive Models to Time Series
ksmooth

Kernel Regression Smoother
binom.test

Exact Binomial Test
ftable.formula

Formula Notation for Flat Contingency Tables
TDist

The Student t Distribution
logLik

Extract Log-Likelihood
factor.scope

Compute Allowed Changes in Adding to or Dropping from a Formula
ar.ols

Fit Autoregressive Models to Time Series by OLS
arima0

ARIMA Modelling of Time Series -- Preliminary Version
confint

Confidence Intervals for Model Parameters
biplot

Biplot of Multivariate Data
as.hclust

Convert Objects to Class hclust
Box.test

Box-Pierce and Ljung-Box Tests
cancor

Canonical Correlations
complete.cases

Find Complete Cases
contrast

(Possibly Sparse) Contrast Matrices
friedman.test

Friedman Rank Sum Test
delete.response

Modify Terms Objects
Cauchy

The Cauchy Distribution
contrasts

Get and Set Contrast Matrices
constrOptim

Linearly Constrained Optimization
poisson.test

Exact Poisson tests
glm.control

Auxiliary for Controlling GLM Fitting
cutree

Cut a Tree into Groups of Data
decompose

Classical Seasonal Decomposition by Moving Averages
ecdf

Empirical Cumulative Distribution Function
mauchly.test

Mauchly's Test of Sphericity
dendrapply

Apply a Function to All Nodes of a Dendrogram
eff.aovlist

Compute Efficiencies of Multistratum Analysis of Variance
factanal

Factor Analysis
fitted

Extract Model Fitted Values
GammaDist

The Gamma Distribution
line

Robust Line Fitting
fivenum

Tukey Five-Number Summaries
ARMAacf

Compute Theoretical ACF for an ARMA Process
formula.nls

Extract Model Formula from nls Object
getInitial

Get Initial Parameter Estimates
glm

Fitting Generalized Linear Models
cor.test

Test for Association/Correlation Between Paired Samples
spec.taper

Taper a Time Series by a Cosine Bell
lm.summaries

Accessing Linear Model Fits
power.anova.test

Power Calculations for Balanced One-Way Analysis of Variance Tests
nextn

Find Highly Composite Numbers
ks.test

Kolmogorov-Smirnov Tests
lm.fit

Fitter Functions for Linear Models
anova.mlm

Comparisons between Multivariate Linear Models
median

Median Value
Distributions

Distributions in the stats package
SSgompertz

Self-Starting Nls Gompertz Growth Model
identify.hclust

Identify Clusters in a Dendrogram
printCoefmat

Print Coefficient Matrices
mahalanobis

Mahalanobis Distance
mantelhaen.test

Cochran-Mantel-Haenszel Chi-Squared Test for Count Data
make.link

Create a Link for GLM Families
listof

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

The Binomial Distribution
loess.control

Set Parameters for Loess
cmdscale

Classical (Metric) Multidimensional Scaling
optimize

One Dimensional Optimization
oneway.test

Test for Equal Means in a One-Way Layout
FDist

The F Distribution
integrate

Integration of One-Dimensional Functions
optim

General-purpose Optimization
plot.acf

Plot Autocovariance and Autocorrelation Functions
deviance

Model Deviance
plot.density

Plot Method for Kernel Density Estimation
SSasympOff

Self-Starting Nls Asymptotic Regression Model with an Offset
IQR

The Interquartile Range
poly

Compute Orthogonal Polynomials
power

Create a Power Link Object
smooth

Tukey's (Running Median) Smoothing
family

Family Objects for Models
asOneSidedFormula

Convert to One-Sided Formula
predict

Model Predictions
p.adjust

Adjust P-values for Multiple Comparisons
predict.Arima

Forecast from ARIMA fits
nlm

Non-Linear Minimization
SSfpl

Self-Starting Nls Four-Parameter Logistic Model
SSasymp

Self-Starting Nls Asymptotic Regression Model
predict.loess

Predict Loess Curve or Surface
predict.nls

Predicting from Nonlinear Least Squares Fits
NLSstRtAsymptote

Horizontal Asymptote on the Right Side
KalmanLike

Kalman Filtering
r2dtable

Random 2-way Tables with Given Marginals
pairwise.prop.test

Pairwise comparisons for proportions
prcomp

Principal Components Analysis
rWishart

Random Wishart Distributed Matrices
deriv

Symbolic and Algorithmic Derivatives of Simple Expressions
ansari.test

Ansari-Bradley Test
NegBinomial

The Negative Binomial Distribution
filter

Linear Filtering on a Time Series
reshape

Reshape Grouped Data
residuals

Extract Model Residuals
NLSstAsymptotic

Fit the Asymptotic Regression Model
power.prop.test

Power Calculations for Two-Sample Test for Proportions
bartlett.test

Bartlett Test of Homogeneity of Variances
aov

Fit an Analysis of Variance Model
t.test

Student's t-Test
Multinom

The Multinomial Distribution
SSlogis

Self-Starting Nls Logistic Model
AIC

Akaike's An Information Criterion
approxfun

Interpolation Functions
predict.HoltWinters

Prediction Function for Fitted Holt-Winters Models
splinefun

Interpolating Splines
Geometric

The Geometric Distribution
kruskal.test

Kruskal-Wallis Rank Sum Test
summary.lm

Summarizing Linear Model Fits
Chisquare

The (non-central) Chi-Squared Distribution
SSasympOrig

Self-Starting Nls Asymptotic Regression Model through the Origin
Exponential

The Exponential Distribution
summary.manova

Summary Method for Multivariate Analysis of Variance
Lognormal

The Log Normal Distribution
SSmicmen

Self-Starting Nls Michaelis-Menten Model
anova

Anova Tables
convolve

Convolution of Sequences via FFT
stats-package

The R Stats Package
addmargins

Puts Arbitrary Margins on Multidimensional Tables or Arrays
biplot.princomp

Biplot for Principal Components
terms.object

Description of Terms Objects
Uniform

The Uniform Distribution
bandwidth

Bandwidth Selectors for Kernel Density Estimation
termplot

Plot Regression Terms
loadings

Print Loadings in Factor Analysis
time

Sampling Times of Time Series
SSD

SSD Matrix and Estimated Variance Matrix in Multivariate Models
Weibull

The Weibull Distribution
quantile

Sample Quantiles
cor

Correlation, Variance and Covariance (Matrices)
ave

Group Averages Over Level Combinations of Factors
uniroot

One Dimensional Root (Zero) Finding
cpgram

Plot Cumulative Periodogram
heatmap

Draw a Heat Map
proj

Projections of Models
embed

Embedding a Time Series
update

Update and Re-fit a Model Call
chisq.test

Pearson's Chi-squared Test for Count Data
cov.wt

Weighted Covariance Matrices
prop.test

Test of Equal or Given Proportions
effects

Effects from Fitted Model
anova.lm

ANOVA for Linear Model Fits
Logistic

The Logistic Distribution
df.residual

Residual Degrees-of-Freedom
step

Choose a model by AIC in a Stepwise Algorithm
nlminb

Optimization using PORT routines
tsp

Tsp Attribute of Time-Series-like Objects
aggregate

Compute Summary Statistics of Data Subsets
arima

ARIMA Modelling of Time Series
kernapply

Apply Smoothing Kernel
nobs

Extract the Number of Observations from a Fit.
Tukey

The Studentized Range Distribution
na.fail

Handle Missing Values in Objects
influence.measures

Regression Deletion Diagnostics
stl

Seasonal Decomposition of Time Series by Loess
smooth.spline

Fit a Smoothing Spline
diffinv

Discrete Integration: Inverse of Differencing
anova.glm

Analysis of Deviance for Generalized Linear Model Fits
numericDeriv

Evaluate Derivatives Numerically
dist

Distance Matrix Computation
fft

Fast Discrete Fourier Transform (FFT)
ftable

Flat Contingency Tables
mcnemar.test

McNemar's Chi-squared Test for Count Data
SSweibull

Self-Starting Nls Weibull Growth Curve Model
spec.ar

Estimate Spectral Density of a Time Series from AR Fit
dummy.coef

Extract Coefficients in Original Coding
loess

Local Polynomial Regression Fitting
extractAIC

Extract AIC from a Fitted Model
predict.lm

Predict method for Linear Model Fits
kmeans

K-Means Clustering
makepredictcall

Utility Function for Safe Prediction
ls.print

Print lsfit Regression Results
na.contiguous

Find Longest Contiguous Stretch of non-NAs
kernel

Smoothing Kernel Objects
birthday

Probability of coincidences
interaction.plot

Two-way Interaction Plot
lm

Fitting Linear Models
model.extract

Extract Components from a Model Frame
spectrum

Spectral Density Estimation
smoothEnds

End Points Smoothing (for Running Medians)
alias

Find Aliases (Dependencies) in a Model
lm.influence

Regression Diagnostics
stlmethods

Methods for STL Objects
expand.model.frame

Add new variables to a model frame
manova

Multivariate Analysis of Variance
plot.isoreg

Plot Method for isoreg Objects
tsdiag

Diagnostic Plots for Time-Series Fits
ls.diag

Compute Diagnostics for lsfit Regression Results
SignRank

Distribution of the Wilcoxon Signed Rank Statistic
sd

Standard Deviation
ppoints

Ordinates for Probability Plotting
C

Sets Contrasts for a Factor
fisher.test

Fisher's Exact Test for Count Data
quade.test

Quade Test
model.tables

Compute Tables of Results from an Aov Model Fit
medpolish

Median Polish (Robust Twoway Decomposition) of a Matrix
simulate

Simulate Responses
plot.lm

Plot Diagnostics for an lm Object
arima.sim

Simulate from an ARIMA Model
TukeyHSD

Compute Tukey Honest Significant Differences
summary.nls

Summarizing Non-Linear Least-Squares Model Fits
naresid

Adjust for Missing Values
ppr

Projection Pursuit Regression
naprint

Adjust for Missing Values
lag.plot

Time Series Lag Plots
.checkMFClasses

Functions to Check the Type of Variables passed to Model Frames
profile.nls

Method for Profiling nls Objects
case+variable.names

Case and Variable Names of Fitted Models
density

Kernel Density Estimation
plot.ts

Plotting Time-Series Objects
dendrogram

General Tree Structures
terms.formula

Construct a terms Object from a Formula
cophenetic

Cophenetic Distances for a Hierarchical Clustering
nls

Nonlinear Least Squares
summary.aov

Summarize an Analysis of Variance Model
loglin

Fitting Log-Linear Models
hclust

Hierarchical Clustering
stats-defunct

Defunct Functions in Package stats
screeplot

Screeplots
mood.test

Mood Two-Sample Test of Scale
summary.glm

Summarizing Generalized Linear Model Fits
sortedXyData

Create a sortedXyData Object
princomp

Principal Components Analysis
nls.control

Control the Iterations in nls
lag

Lag a Time Series
PP.test

Phillips-Perron Test for Unit Roots
model.frame

Extracting the Model Frame from a Formula or Fit
stats-deprecated

Deprecated Functions in Package stats
spec.pgram

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

Plotting Spectral Densities
pairwise.wilcox.test

Pairwise Wilcoxon Rank Sum Tests
profile

Generic Function for Profiling Models
terms

Model Terms
formula

Model Formulae
fligner.test

Fligner-Killeen Test of Homogeneity of Variances
weighted.residuals

Compute Weighted Residuals
mad

Median Absolute Deviation
predict.glm

Predict Method for GLM Fits
is.empty.model

Test if a Model's Formula is Empty
lowess

Scatter Plot Smoothing
weighted.mean

Weighted Arithmetic Mean
runmed

Running Medians -- Robust Scatter Plot Smoothing
ts

Time-Series Objects
xtabs

Cross Tabulation
offset

Include an Offset in a Model Formula
isoreg

Isotonic / Monotone Regression
sigma

Extract Residual Standard Deviation 'Sigma'
read.ftable

Manipulate Flat Contingency Tables
scatter.smooth

Scatter Plot with Smooth Curve Fitted by Loess
monthplot

Plot a Seasonal or other Subseries from a Time Series
plot.HoltWinters

Plot function for HoltWinters objects
lsfit

Find the Least Squares Fit
relevel

Reorder Levels of Factor
rect.hclust

Draw Rectangles Around Hierarchical Clusters
model.matrix

Construct Design Matrices
plot.ppr

Plot Ridge Functions for Projection Pursuit Regression Fit
na.action

NA Action
symnum

Symbolic Number Coding
se.contrast

Standard Errors for Contrasts in Model Terms
predict.smooth.spline

Predict from Smoothing Spline Fit
pairwise.t.test

Pairwise t tests
varimax

Rotation Methods for Factor Analysis
wilcox.test

Wilcoxon Rank Sum and Signed Rank Tests
plot.stepfun

Plot Step Functions
ts.union

Bind Two or More Time Series
tsSmooth

Use Fixed-Interval Smoothing on Time Series
summary.princomp

Summary method for Principal Components Analysis
weights

Extract Model Weights
pairwise.table

Tabulate p values for pairwise comparisons
plot.profile.nls

Plot a profile.nls Object
power.t.test

Power calculations for one and two sample t tests
update.formula

Model Updating
stepfun

Step Functions - Creation and Class
reorder.default

Reorder Levels of a Factor
supsmu

Friedman's SuperSmoother
prop.trend.test

Test for trend in proportions
print.power.htest

Print Methods for Hypothesis Tests and Power Calculation Objects
shapiro.test

Shapiro-Wilk Normality Test
selfStart

Construct Self-starting Nonlinear Models
preplot

Pre-computations for a Plotting Object
reorder.dendrogram

Reorder a Dendrogram
stat.anova

GLM Anova Statistics
var.test

F Test to Compare Two Variances
vcov

Calculate Variance-Covariance Matrix for a Fitted Model Object
qqnorm

Quantile-Quantile Plots
ts-methods

Methods for Time Series Objects
replications

Number of Replications of Terms
setNames

Set the Names in an Object
start

Encode the Terminal Times of Time Series
ts.plot

Plot Multiple Time Series
toeplitz

Form Symmetric Toeplitz Matrix
window

Time Windows