Learn R Programming

⚠️There's a newer version (3.6.2) of this package.Take me there.

stats (version 3.5.1)

The R Stats Package

Description

R statistical functions.

Copy Link

Version

Version

3.5.1

License

Part of R 3.5.1

Last Published

December 12th, 2019

Functions in stats (3.5.1)

Exponential

The Exponential Distribution
AIC

Akaike's An Information Criterion
FDist

The F Distribution
Poisson

The Poisson Distribution
Normal

The Normal Distribution
ARMAacf

Compute Theoretical ACF for an ARMA Process
SSbiexp

Self-Starting Nls Biexponential model
Tukey

The Studentized Range Distribution
SSfol

Self-Starting Nls First-order Compartment Model
TukeyHSD

Compute Tukey Honest Significant Differences
Logistic

The Logistic Distribution
Lognormal

The Log Normal Distribution
Cauchy

The Cauchy Distribution
SSasympOff

Self-Starting Nls Asymptotic Regression Model with an Offset
Binomial

The Binomial Distribution
anova.glm

Analysis of Deviance for Generalized Linear Model Fits
anova.lm

ANOVA for Linear Model Fits
SSasympOrig

Self-Starting Nls Asymptotic Regression Model through the Origin
arima

ARIMA Modelling of Time Series
SSweibull

Self-Starting Nls Weibull Growth Curve Model
ARMAtoMA

Convert ARMA Process to Infinite MA Process
arima.sim

Simulate from an ARIMA Model
alias

Find Aliases (Dependencies) in a Model
SignRank

Distribution of the Wilcoxon Signed Rank Statistic
anova

Anova Tables
bandwidth

Bandwidth Selectors for Kernel Density Estimation
bartlett.test

Bartlett Test of Homogeneity of Variances
biplot.princomp

Biplot for Principal Components
birthday

Probability of coincidences
Beta

The Beta Distribution
contrast

(Possibly Sparse) Contrast Matrices
coef

Extract Model Coefficients
convolve

Convolution of Sequences via FFT
complete.cases

Find Complete Cases
cophenetic

Cophenetic Distances for a Hierarchical Clustering
HoltWinters

Holt-Winters Filtering
contrasts

Get and Set Contrast Matrices
Hypergeometric

The Hypergeometric Distribution
factanal

Factor Analysis
factor.scope

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

Apply Smoothing Kernel
GammaDist

The Gamma Distribution
delete.response

Modify Terms Objects
dendrapply

Apply a Function to All Nodes of a Dendrogram
fft

Fast Discrete Fourier Transform (FFT)
family

Family Objects for Models
kernel

Smoothing Kernel Objects
glm.control

Auxiliary for Controlling GLM Fitting
lm.influence

Regression Diagnostics
Chisquare

The (non-central) Chi-Squared Distribution
lm

Fitting Linear Models
SSfpl

Self-Starting Nls Four-Parameter Logistic Model
mahalanobis

Mahalanobis Distance
SSgompertz

Self-Starting Nls Gompertz Growth Model
Wilcoxon

Distribution of the Wilcoxon Rank Sum Statistic
glm.summaries

Accessing Generalized Linear Model Fits
acf

Auto- and Cross- Covariance and -Correlation Function Estimation
make.link

Create a Link for GLM Families
medpolish

Median Polish (Robust Twoway Decomposition) of a Matrix
Distributions

Distributions in the stats package
model.extract

Extract Components from a Model Frame
is.empty.model

Test if a Model's Formula is Empty
isoreg

Isotonic / Monotone Regression
nlm

Non-Linear Minimization
Geometric

The Geometric Distribution
nextn

Highly Composite Numbers
NLSstClosestX

Inverse Interpolation
lag

Lag a Time Series
pairwise.t.test

Pairwise t tests
pairwise.table

Tabulate p values for pairwise comparisons
plot.ts

Plotting Time-Series Objects
NLSstLfAsymptote

Horizontal Asymptote on the Left Side
StructTS

Fit Structural Time Series
poisson.test

Exact Poisson tests
ppoints

Ordinates for Probability Plotting
lag.plot

Time Series Lag Plots
loglin

Fitting Log-Linear Models
IQR

The Interquartile Range
ansari.test

Ansari-Bradley Test
KalmanLike

Kalman Filtering
anova.mlm

Comparisons between Multivariate Linear Models
ppr

Projection Pursuit Regression
SSD

SSD Matrix and Estimated Variance Matrix in Multivariate Models
print.ts

Printing and Formatting of Time-Series Objects
TDist

The Student t Distribution
asOneSidedFormula

Convert to One-Sided Formula
acf2AR

Compute an AR Process Exactly Fitting an ACF
SSasymp

Self-Starting Nls Asymptotic Regression Model
ave

Group Averages Over Level Combinations of Factors
SSlogis

Self-Starting Nls Logistic Model
Multinom

The Multinomial Distribution
chisq.test

Pearson's Chi-squared Test for Count Data
NLSstAsymptotic

Fit the Asymptotic Regression Model
printCoefmat

Print Coefficient Matrices
lowess

Scatter Plot Smoothing
add1

Add or Drop All Possible Single Terms to a Model
SSmicmen

Self-Starting Nls Michaelis-Menten Model
prop.trend.test

Test for trend in proportions
cmdscale

Classical (Metric) Multidimensional Scaling
qqnorm

Quantile-Quantile Plots
NegBinomial

The Negative Binomial Distribution
NLSstRtAsymptote

Horizontal Asymptote on the Right Side
runmed

Running Medians -- Robust Scatter Plot Smoothing
oneway.test

Test for Equal Means in a One-Way Layout
aov

Fit an Analysis of Variance Model
confint

Confidence Intervals for Model Parameters
approxfun

Interpolation Functions
Weibull

The Weibull Distribution
Uniform

The Uniform Distribution
optim

General-purpose Optimization
constrOptim

Linearly Constrained Optimization
scatter.smooth

Scatter Plot with Smooth Curve Fitted by Loess
summary.manova

Summary Method for Multivariate Analysis of Variance
summary.lm

Summarizing Linear Model Fits
arima0

ARIMA Modelling of Time Series -- Preliminary Version
addmargins

Puts Arbitrary Margins on Multidimensional Tables or Arrays
ar

Fit Autoregressive Models to Time Series
plot.acf

Plot Autocovariance and Autocorrelation Functions
aggregate

Compute Summary Statistics of Data Subsets
as.hclust

Convert Objects to Class hclust
plot.density

Plot Method for Kernel Density Estimation
binom.test

Exact Binomial Test
ar.ols

Fit Autoregressive Models to Time Series by OLS
biplot

Biplot of Multivariate Data
df.residual

Residual Degrees-of-Freedom
supsmu

Friedman's SuperSmoother
Box.test

Box-Pierce and Ljung-Box Tests
diffinv

Discrete Integration: Inverse of Differencing
cancor

Canonical Correlations
case+variable.names

Case and Variable Names of Fitted Models
cor.test

Test for Association/Correlation Between Paired Samples
symnum

Symbolic Number Coding
deriv

Symbolic and Algorithmic Derivatives of Simple Expressions
ts.union

Bind Two or More Time Series
cor

Correlation, Variance and Covariance (Matrices)
.checkMFClasses

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

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

Model Deviance
effects

Effects from Fitted Model
embed

Embedding a Time Series
filter

Linear Filtering on a Time Series
fisher.test

Fisher's Exact Test for Count Data
power.prop.test

Power Calculations for Two-Sample Test for Proportions
cpgram

Plot Cumulative Periodogram
predict.glm

Predict Method for GLM Fits
cov.wt

Weighted Covariance Matrices
predict.lm

Predict method for Linear Model Fits
predict.smooth.spline

Predict from Smoothing Spline Fit
tsSmooth

Use Fixed-Interval Smoothing on Time Series
weighted.mean

Weighted Arithmetic Mean
preplot

Pre-computations for a Plotting Object
ecdf

Empirical Cumulative Distribution Function
proj

Projections of Models
getInitial

Get Initial Parameter Estimates
weighted.residuals

Compute Weighted Residuals
prop.test

Test of Equal or Given Proportions
cutree

Cut a Tree into Groups of Data
eff.aovlist

Compute Efficiencies of Multistratum Analysis of Variance
glm

Fitting Generalized Linear Models
fitted

Extract Model Fitted Values
kmeans

K-Means Clustering
decompose

Classical Seasonal Decomposition by Moving Averages
sd

Standard Deviation
kruskal.test

Kruskal-Wallis Rank Sum Test
screeplot

Screeplots
dendrogram

General Tree Structures
lm.summaries

Accessing Linear Model Fits
lm.fit

Fitter Functions for Linear Models
expand.model.frame

Add new variables to a model frame
ls.diag

Compute Diagnostics for lsfit Regression Results
dummy.coef

Extract Coefficients in Original Coding
dist

Distance Matrix Computation
fivenum

Tukey Five-Number Summaries
density

Kernel Density Estimation
formula.nls

Extract Model Formula from nls Object
ftable

Flat Contingency Tables
friedman.test

Friedman Rank Sum Test
ftable.formula

Formula Notation for Flat Contingency Tables
hclust

Hierarchical Clustering
loadings

Print Loadings in Factor Analysis
extractAIC

Extract AIC from a Fitted Model
fligner.test

Fligner-Killeen Test of Homogeneity of Variances
ls.print

Print lsfit Regression Results
formula

Model Formulae
setNames

Set the Names in an Object
loess

Local Polynomial Regression Fitting
shapiro.test

Shapiro-Wilk Normality Test
heatmap

Draw a Heat Map
lsfit

Find the Least Squares Fit
identify.hclust

Identify Clusters in a Dendrogram
mad

Median Absolute Deviation
stats-deprecated

Deprecated Functions in Package stats
stats-package

The R Stats Package
mcnemar.test

McNemar's Chi-squared Test for Count Data
terms.object

Description of Terms Objects
mantelhaen.test

Cochran-Mantel-Haenszel Chi-Squared Test for Count Data
time

Sampling Times of Time Series
influence.measures

Regression Deletion Diagnostics
mood.test

Mood Two-Sample Test of Scale
median

Median Value
mauchly.test

Mauchly's Test of Sphericity
ks.test

Kolmogorov-Smirnov Tests
na.contiguous

Find Longest Contiguous Stretch of non-NAs
na.action

NA Action
nls.control

Control the Iterations in nls
integrate

Integration of One-Dimensional Functions
na.fail

Handle Missing Values in Objects
nobs

Extract the Number of Observations from a Fit.
interaction.plot

Two-way Interaction Plot
ksmooth

Kernel Regression Smoother
line

Robust Line Fitting
loess.control

Set Parameters for Loess
listof

A Class for Lists of (Parts of) Model Fits
order.dendrogram

Ordering or Labels of the Leaves in a Dendrogram
optimize

One Dimensional Optimization
logLik

Extract Log-Likelihood
plot.isoreg

Plot Method for isoreg Objects
makepredictcall

Utility Function for Safe Prediction
model.frame

Extracting the Model Frame from a Formula or Fit
plot.lm

Plot Diagnostics for an lm Object
pairwise.wilcox.test

Pairwise Wilcoxon Rank Sum Tests
plot.spec

Plotting Spectral Densities
plot.stepfun

Plot Step Functions
manova

Multivariate Analysis of Variance
rWishart

Random Wishart Distributed Matrices
plot.HoltWinters

Plot function for HoltWinters objects
model.matrix

Construct Design Matrices
C

Sets Contrasts for a Factor
r2dtable

Random 2-way Tables with Given Marginals
reshape

Reshape Grouped Data
model.tables

Compute Tables of Results from an Aov Model Fit
sigma

Extract Residual Standard Deviation 'Sigma'
residuals

Extract Model Residuals
predict

Model Predictions
naprint

Adjust for Missing Values
naresid

Adjust for Missing Values
predict.Arima

Forecast from ARIMA fits
numericDeriv

Evaluate Derivatives Numerically
monthplot

Plot a Seasonal or other Subseries from a Time Series
simulate

Simulate Responses
stat.anova

GLM Anova Statistics
profile

Generic Function for Profiling Models
quade.test

Quade Test
offset

Include an Offset in a Model Formula
poly

Compute Orthogonal Polynomials
power

Create a Power Link Object
profile.nls

Method for Profiling nls Objects
quantile

Sample Quantiles
prcomp

Principal Components Analysis
relevel

Reorder Levels of Factor
reorder.dendrogram

Reorder a Dendrogram
predict.HoltWinters

Prediction Function for Fitted Holt-Winters Models
stats-defunct

Defunct Functions in Package stats
nlminb

Optimization using PORT routines
summary.nls

Summarizing Non-Linear Least-Squares Model Fits
summary.princomp

Summary method for Principal Components Analysis
princomp

Principal Components Analysis
smoothEnds

End Points Smoothing (for Running Medians)
print.power.htest

Print Methods for Hypothesis Tests and Power Calculation Objects
tsdiag

Diagnostic Plots for Time-Series Fits
varimax

Rotation Methods for Factor Analysis
nls

Nonlinear Least Squares
read.ftable

Manipulate Flat Contingency Tables
tsp

Tsp Attribute of Time-Series-like Objects
rect.hclust

Draw Rectangles Around Hierarchical Clusters
reorder.default

Reorder Levels of a Factor
p.adjust

Adjust P-values for Multiple Comparisons
sortedXyData

Create a sortedXyData Object
replications

Number of Replications of Terms
spec.taper

Taper a Time Series by a Cosine Bell
pairwise.prop.test

Pairwise comparisons for proportions
smooth

Tukey's (Running Median) Smoothing
smooth.spline

Fit a Smoothing Spline
spectrum

Spectral Density Estimation
splinefun

Interpolating Splines
start

Encode the Terminal Times of Time Series
vcov

Calculate Variance-Covariance Matrix for a Fitted Model Object
plot.profile.nls

Plot a profile.nls Object
power.t.test

Power calculations for one and two sample t tests
summary.aov

Summarize an Analysis of Variance Model
summary.glm

Summarizing Generalized Linear Model Fits
PP.test

Phillips-Perron Test for Unit Roots
plot.ppr

Plot Ridge Functions for Projection Pursuit Regression Fit
stl

Seasonal Decomposition of Time Series by Loess
toeplitz

Form Symmetric Toeplitz Matrix
predict.loess

Predict Loess Curve or Surface
se.contrast

Standard Errors for Contrasts in Model Terms
predict.nls

Predicting from Nonlinear Least Squares Fits
ts-methods

Methods for Time Series Objects
selfStart

Construct Self-starting Nonlinear Models
stlmethods

Methods for STL Objects
spec.ar

Estimate Spectral Density of a Time Series from AR Fit
update.formula

Model Updating
weights

Extract Model Weights
var.test

F Test to Compare Two Variances
t.test

Student's t-Test
wilcox.test

Wilcoxon Rank Sum and Signed Rank Tests
termplot

Plot Regression Terms
spec.pgram

Estimate Spectral Density of a Time Series by a Smoothed Periodogram
stepfun

Step Functions - Creation and Class
step

Choose a model by AIC in a Stepwise Algorithm
ts

Time-Series Objects
terms.formula

Construct a terms Object from a Formula
terms

Model Terms
update

Update and Re-fit a Model Call
uniroot

One Dimensional Root (Zero) Finding
ts.plot

Plot Multiple Time Series
window

Time Windows
xtabs

Cross Tabulation