stats v3.4.0

The R Stats Package

R statistical functions.

Functions in stats

Name Description
Exponential The Exponential Distribution
FDist The F Distribution
IQR The Interquartile Range
KalmanLike Kalman Filtering
NLSstRtAsymptote Horizontal Asymptote on the Right Side
NegBinomial The Negative Binomial Distribution
SSlogis Self-Starting Nls Logistic Model
SSmicmen Self-Starting Nls Michaelis-Menten Model
Tukey The Studentized Range Distribution
TukeyHSD Compute Tukey Honest Significant Differences
anova.mlm Comparisons between Multivariate Linear Models
ansari.test Ansari-Bradley Test
Box.test Box-Pierce and Ljung-Box Tests
cancor Canonical Correlations
cutree Cut a Tree into Groups of Data
Chisquare The (non-central) Chi-Squared Distribution
Distributions Distributions in the stats package
SSasympOff Self-Starting Nls Asymptotic Regression Model with an Offset
SSasympOrig Self-Starting Nls Asymptotic Regression Model through the Origin
acf2AR Compute an AR Process Exactly Fitting an ACF
add1 Add or Drop All Possible Single Terms to a Model
decompose
dist Distance Matrix Computation
dummy.coef Extract Coefficients in Original Coding
filter Linear Filtering on a Time Series
fisher.test Fisher's Exact Test for Count Data
ftable Flat Contingency Tables
ftable.formula Formula Notation for Flat Contingency Tables
ar Fit Autoregressive Models to Time Series
ar.ols Fit Autoregressive Models to Time Series by OLS
bandwidth Bandwidth Selectors for Kernel Density Estimation
bartlett.test Bartlett Test of Homogeneity of Variances
coef Extract Model Coefficients
complete.cases Find Complete Cases
ks.test Kolmogorov-Smirnov Tests
ksmooth Kernel Regression Smoother
line Robust Line Fitting
cor Correlation, Variance and Covariance (Matrices)
cor.test Test for Association/Correlation Between Paired Samples
df.residual Residual Degrees-of-Freedom
listof A Class for Lists of (Parts of) Model Fits
loess.control Set Parameters for Loess
logLik Extract Log-Likelihood
diffinv Discrete Integration: Inverse of Differencing
glm.control Auxiliary for Controlling GLM Fitting
glm.summaries Accessing Generalized Linear Model Fits
AIC Akaike's An Information Criterion
Logistic The Logistic Distribution
Lognormal The Log Normal Distribution
StructTS Fit Structural Time Series
ARMAacf Compute Theoretical ACF for an ARMA Process
Multinom The Multinomial Distribution
NLSstAsymptotic Fit the Asymptotic Regression Model
TDist The Student t Distribution
Wilcoxon Distribution of the Wilcoxon Rank Sum Statistic
acf Auto- and Cross- Covariance and -Correlation Function Estimation
aov Fit an Analysis of Variance Model
approxfun Interpolation Functions
integrate Integration of One-Dimensional Functions
interaction.plot Two-way Interaction Plot
lm.summaries Accessing Linear Model Fits
lm.fit Fitter Functions for Linear Models
model.frame Extracting the Model Frame from a Formula or Fit
arima0 ARIMA Modelling of Time Series -- Preliminary Version
medpolish Median Polish (Robust Twoway Decomposition) of a Matrix
model.extract Extract Components from a Model Frame
na.contiguous Find Longest Contiguous Stretch of non-NAs
model.matrix Construct Design Matrices
oneway.test Test for Equal Means in a One-Way Layout
optim General-purpose Optimization
na.fail Handle Missing Values in Objects
nls.control Control the Iterations in nls
nobs
pairwise.wilcox.test Pairwise Wilcoxon Rank Sum Tests
plot.HoltWinters Plot function for HoltWinters objects
plot.spec Plotting Spectral Densities
Normal The Normal Distribution
Poisson The Poisson Distribution
SSweibull Self-Starting Nls Weibull Growth Curve Model
plot.acf Plot Autocovariance and Autocorrelation Functions
plot.density Plot Method for Kernel Density Estimation
plot.ts Plotting Time-Series Objects
as.hclust Convert Objects to Class hclust
biplot.princomp
birthday Probability of coincidences
SignRank Distribution of the Wilcoxon Signed Rank Statistic
Uniform The Uniform Distribution
Weibull The Weibull Distribution
plot.stepfun Plot Step Functions
ppoints Ordinates for Probability Plotting
ppr Projection Pursuit Regression
poisson.test Exact Poisson tests
predict.glm Predict Method for GLM Fits
predict.lm Predict method for Linear Model Fits
princomp Principal Components Analysis
print.power.htest Print Methods for Hypothesis Tests and Power Calculation Objects
prop.trend.test Test for trend in proportions
profile Generic Function for Profiling Models
profile.nls Method for Profiling nls Objects
read.ftable Manipulate Flat Contingency Tables
alias Find Aliases (Dependencies) in a Model
anova Anova Tables
binom.test Exact Binomial Test
rect.hclust Draw Rectangles Around Hierarchical Clusters
relevel Reorder Levels of Factor
reorder.dendrogram Reorder a Dendrogram
biplot Biplot of Multivariate Data
case+variable.names Case and Variable Names of Fitted Models
.checkMFClasses Functions to Check the Type of Variables passed to Model Frames
contrast (Possibly Sparse) Contrast Matrices
contrasts Get and Set Contrast Matrices
ecdf Empirical Cumulative Distribution Function
eff.aovlist Compute Efficiencies of Multistratum Analysis of Variance
family Family Objects for Models
cov.wt Weighted Covariance Matrices
cpgram
deriv Symbolic and Algorithmic Derivatives of Simple Expressions
ARMAtoMA Convert ARMA Process to Infinite MA Process
spec.taper Taper a Time Series by a Cosine Bell
spectrum Spectral Density Estimation
summary.nls Summarizing Non-Linear Least-Squares Model Fits
summary.princomp Summary method for Principal Components Analysis
ts.union Bind Two or More Time Series
tsSmooth Use Fixed-Interval Smoothing on Time Series
deviance Model Deviance
factanal Factor Analysis
factor.scope Compute Allowed Changes in Adding to or Dropping from a Formula
Beta The Beta Distribution
HoltWinters Holt-Winters Filtering
Hypergeometric The Hypergeometric Distribution
qqnorm Quantile-Quantile Plots
sigma Extract Residual Standard Deviation 'Sigma'
simulate Simulate Responses
spec.ar Estimate Spectral Density of a Time Series from AR Fit
spec.pgram Estimate Spectral Density of a Time Series by a Smoothed
summary.aov Summarize an Analysis of Variance Model
summary.glm Summarizing Generalized Linear Model Fits
termplot Plot Regression Terms
update.formula Model Updating
var.test F Test to Compare Two Variances
window Time Windows
fft Fast Discrete Fourier Transform (FFT)
identify.hclust Identify Clusters in a Dendrogram
t.test Student's t-Test
NLSstClosestX Inverse Interpolation
NLSstLfAsymptote Horizontal Asymptote on the Left Side
SSbiexp Self-Starting Nls Biexponential model
SSfol Self-Starting Nls First-order Compartment Model
addmargins
aggregate Compute Summary Statistics of Data Subsets
formula.nls Extract Model Formula from nls Object
friedman.test Friedman Rank Sum Test
xtabs Cross Tabulation
weights Extract Model Weights
wilcox.test Wilcoxon Rank Sum and Signed Rank Tests
influence.measures Regression Deletion Diagnostics
is.empty.model Test if a Model's Formula is Empty
isoreg Isotonic / Monotone Regression
loglin Fitting Log-Linear Models
lowess Scatter Plot Smoothing
mantelhaen.test Cochran-Mantel-Haenszel Chi-Squared Test for Count Data
anova.glm Analysis of Deviance for Generalized Linear Model Fits
anova.lm ANOVA for Linear Model Fits
arima ARIMA Modelling of Time Series
kmeans
kruskal.test Kruskal-Wallis Rank Sum Test
loadings Print Loadings in Factor Analysis
arima.sim Simulate from an ARIMA Model
chisq.test Pearson's Chi-squared Test for Count Data
cmdscale Classical (Metric) Multidimensional Scaling
mauchly.test Mauchly's Test of Sphericity
naresid
naprint
optimize One Dimensional Optimization
order.dendrogram Ordering or Labels of the Leaves in a Dendrogram
p.adjust Adjust P-values for Multiple Comparisons
pairwise.prop.test Pairwise comparisons for proportions
power.anova.test Power Calculations for Balanced One-Way Analysis of Variance Tests
power.prop.test Power Calculations for Two-Sample Test for Proportions
convolve Convolution of Sequences via FFT
cophenetic Cophenetic Distances for a Hierarchical Clustering
delete.response Modify Terms Objects
loess Local Polynomial Regression Fitting
lsfit Find the Least Squares Fit
mad Median Absolute Deviation
Binomial The Binomial Distribution
predict Model Predictions
predict.Arima Forecast from ARIMA fits
print.ts Printing and Formatting of Time-Series Objects
makepredictcall Utility Function for Safe Prediction
manova Multivariate Analysis of Variance
model.tables Compute Tables of Results from an Aov Model Fit
printCoefmat Print Coefficient Matrices
proj Projections of Models
prop.test Test of Equal or Given Proportions
reorder.default Reorder Levels of a Factor
replications Number of Replications of Terms
se.contrast Standard Errors for Contrasts in Model Terms
Cauchy The Cauchy Distribution
GammaDist The Gamma Distribution
Geometric The Geometric Distribution
SSD SSD Matrix and Estimated Variance Matrix in Multivariate Models
SSasymp Self-Starting Nls Asymptotic Regression Model
SSfpl Self-Starting Nls Four-Parameter Logistic Model
SSgompertz Self-Starting Nls Gompertz Growth Model
asOneSidedFormula Convert to One-Sided Formula
ave Group Averages Over Level Combinations of Factors
confint Confidence Intervals for Model Parameters
selfStart Construct Self-starting Nonlinear Models
stl Seasonal Decomposition of Time Series by Loess
stlmethods Methods for STL Objects
monthplot
numericDeriv Evaluate Derivatives Numerically
offset Include an Offset in a Model Formula
constrOptim Linearly Constrained Optimization
dendrogram General Tree Structures
density Kernel Density Estimation
dendrapply Apply a Function to All Nodes of a Dendrogram
effects Effects from Fitted Model
embed Embedding a Time Series
expand.model.frame Add new variables to a model frame
extractAIC Extract AIC from a Fitted Model
fligner.test Fligner-Killeen Test of Homogeneity of Variances
formula Model Formulae
hclust Hierarchical Clustering
heatmap Draw a Heat Map
fitted Extract Model Fitted Values
fivenum Tukey Five-Number Summaries
getInitial Get Initial Parameter Estimates
plot.isoreg Plot Method for isoreg Objects
plot.lm Plot Diagnostics for an lm Object
poly Compute Orthogonal Polynomials
power Create a Power Link Object
power.t.test Power calculations for one and two sample t tests
PP.test Phillips-Perron Test for Unit Roots
kernapply Apply Smoothing Kernel
glm Fitting Generalized Linear Models
lag Lag a Time Series
lag.plot Time Series Lag Plots
mahalanobis Mahalanobis Distance
predict.smooth.spline Predict from Smoothing Spline Fit
preplot Pre-computations for a Plotting Object
r2dtable Random 2-way Tables with Given Marginals
rWishart Random Wishart Distributed Matrices
reshape Reshape Grouped Data
residuals Extract Model Residuals
make.link Create a Link for GLM Families
mcnemar.test McNemar's Chi-squared Test for Count Data
median Median Value
terms.object Description of Terms Objects
time Sampling Times of Time Series
uniroot One Dimensional Root (Zero) Finding
update Update and Re-fit a Model Call
weighted.mean Weighted Arithmetic Mean
weighted.residuals Compute Weighted Residuals
smooth Tukey's (Running Median) Smoothing
smooth.spline Fit a Smoothing Spline
stat.anova GLM Anova Statistics
nextn Highly Composite Numbers
nlm Non-Linear Minimization
plot.ppr Plot Ridge Functions for Projection Pursuit Regression Fit
stats-defunct Defunct Functions in Package
step
stepfun Step Functions - Creation and Class
plot.profile.nls Plot a profile.nls Object
predict.loess Predict Loess Curve or Surface
predict.nls Predicting from Nonlinear Least Squares Fits
terms Model Terms
terms.formula Construct a terms Object from a Formula
ts Time-Series Objects
quade.test Quade Test
quantile Sample Quantiles
runmed Running Medians -- Robust Scatter Plot Smoothing
kernel Smoothing Kernel Objects
lm Fitting Linear Models
lm.influence Regression Diagnostics
scatter.smooth Scatter Plot with Smooth Curve Fitted by Loess
setNames Set the Names in an Object
shapiro.test Shapiro-Wilk Normality Test
ts.plot Plot Multiple Time Series
ls.diag Compute Diagnostics for
ls.print Print
mood.test Mood Two-Sample Test of Scale
na.action NA Action
nlminb Optimization using PORT routines
nls Nonlinear Least Squares
splinefun Interpolating Splines
start Encode the Terminal Times of Time Series
summary.lm Summarizing Linear Model Fits
pairwise.t.test Pairwise t tests
pairwise.table Tabulate p values for pairwise comparisons
prcomp Principal Components Analysis
summary.manova Summary Method for Multivariate Analysis of Variance
supsmu Friedman's SuperSmoother
symnum Symbolic Number Coding
tsdiag Diagnostic Plots for Time-Series Fits
tsp Tsp Attribute of Time-Series-like Objects
C Sets Contrasts for a Factor
predict.HoltWinters Prediction Function for Fitted Holt-Winters Models
screeplot Screeplots
sd Standard Deviation
smoothEnds End Points Smoothing (for Running Medians)
sortedXyData Create a
stats-deprecated Deprecated Functions in Package
stats-package
toeplitz Form Symmetric Toeplitz Matrix
ts-methods Methods for Time Series Objects
varimax Rotation Methods for Factor Analysis
vcov
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