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car (version 3.1-0)

Companion to Applied Regression

Description

Functions to Accompany J. Fox and S. Weisberg, An R Companion to Applied Regression, Third Edition, Sage, 2019.

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Version

Install

install.packages('car')

Monthly Downloads

596,351

Version

3.1-0

License

GPL (>= 2)

Maintainer

Last Published

June 15th, 2022

Functions in car (3.1-0)

S

Modified Functions for Summarizing Linear, Generalized Linear, and Some Other Models
car-deprecated

Deprecated Functions in the car Package
car-defunct

Defunct Functions in the car Package
carWeb

Access to the R Companion to Applied Regression Website
carPalette

Set or Retrieve car Package Color Palette
leveneTest

Levene's Test
panel.car

Panel Function for Coplots
poTest

Test for Proportional Odds in the Proportional-Odds Logistic-Regression Model
leveragePlots

Regression Leverage Plots
scatterplotMatrix

Scatterplot Matrices
scatterplot

Enhanced Scatterplots with Marginal Boxplots, Point Marking, Smoothers, and More
brief

Print Abbreviated Ouput
boxTidwell

Box-Tidwell Transformations
Boot

Bootstrapping for regression models
Anova

Anova Tables for Various Statistical Models
influence.mixed.models

Influence Diagnostics for Mixed-Effects Models
influencePlot

Regression Influence Plot
Tapply

Apply a Function to a Variable Within Factor Levels
TransformationAxes

Axes for Transformed Variables
densityPlot

Nonparametric Density Estimates
recode

Recode a Variable
Ellipses

Ellipses, Data Ellipses, and Confidence Ellipses
regLine

Plot Regression Line
whichNames

Position of Row Names
avPlots

Added-Variable Plots
bcPower

Box-Cox, Box-Cox with Negatives Allowed, Yeo-Johnson and Basic Power Transformations
Export

Export a data frame to disk in one of many formats
ceresPlots

Ceres Plots
compareCoefs

Print estimated coefficients and their standard errors in a table for several regression models.
powerTransform

Finding Univariate or Multivariate Power Transformations
qqPlot

Quantile-Comparison Plot
dfbetaPlots

dfbeta and dfbetas Index Plots
invResPlot

Inverse Response Plots to Transform the Response
Boxplot

Boxplots With Point Identification
linearHypothesis

Test Linear Hypothesis
logit

Logit Transformation
invTranPlot

Choose a Predictor Transformation Visually or Numerically
scatter3d

Three-Dimensional Scatterplots and Point Identification
residualPlots

Residual Plots for Linear and Generalized Linear Models
Contrasts

Functions to Construct Contrasts
car-internal.Rd

Internal Objects for the car package
vif

Variance Inflation Factors
wcrossprod

Weighted Matrix Crossproduct
carHexsticker

View the Official Hex Sticker for the car Package
durbinWatsonTest

Durbin-Watson Test for Autocorrelated Errors
Predict

Model Predictions
Import

Import data from many file formats
hccm

Heteroscedasticity-Corrected Covariance Matrices
boxCox

Graph the profile log-likelihood for Box-Cox transformations in 1D, or in 2D with the bcnPower family.
mmps

Marginal Model Plotting
mcPlots

Draw Linear Model Marginal and Conditional Plots in Parallel or Overlaid
boxCoxVariable

Constructed Variable for Box-Cox Transformation
crPlots

Component+Residual (Partial Residual) Plots
hist.boot

Methods Functions to Support boot Objects
some

Sample a Few Elements of an Object
outlierTest

Bonferroni Outlier Test
deltaMethod

Estimate and Standard Error of a Nonlinear Function of Estimated Regression Coefficients
infIndexPlot

Influence Index Plot
ncvTest

Score Test for Non-Constant Error Variance
sigmaHat

Return the scale estimate for a regression model
showLabels

Functions to Identify and Mark Extreme Points in a 2D Plot.
spreadLevelPlot

Spread-Level Plots
symbox

Boxplots for transformations to symmetry
strings2factors

Convert Character-String Variables in a Data Frame to Factors
testTransform

Likelihood-Ratio Tests for Univariate or Multivariate Power Transformations to Normality
subsets

Plot Output from regsubsets Function in leaps package
ScatterplotSmoothers

Smoothers to Draw Lines on Scatterplots