Learn R Programming
⚠️There's a newer version (3.1-3) of this package.Take me there.

car (version 3.0-4)

Companion to Applied Regression

Description

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

Copy Link

Version

Install

install.packages('car')

Monthly Downloads

395,928

Version

3.0-4

License

GPL (>= 2)

Maintainer

John Fox

Last Published

October 27th, 2019

Functions in car (3.0-4)

Import

Import data from many file formats
Tapply

Apply a Function to a Variable Within Factor Levels
car-defunct

Defunct Functions in the car Package
Contrasts

Functions to Construct Contrasts
car-deprecated

Deprecated Functions in the car Package
Boxplot

Boxplots With Point Identification
Boot

Bootstrapping for regression models
Anova

Anova Tables for Various Statistical Models
S

Modified Functions for Summarizing Linear, Generalized Linear, and Some Other Models
TransformationAxes

Axes for Transformed Variables
Ellipses

Ellipses, Data Ellipses, and Confidence Ellipses
carWeb

Access to the R Companion to Applied Regression Website
carPalette

Set or Retrieve car Package Color Palette
ceresPlots

Ceres Plots
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
durbinWatsonTest

Durbin-Watson Test for Autocorrelated Errors
boxCox

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

Model Predictions
boxCoxVariable

Constructed Variable for Box-Cox Transformation
ScatterplotSmoothers

Smoothers to Draw Lines on Scatterplots
invTranPlot

Choose a Predictor Transformation Visually or Numerically
dfbetaPlots

dfbeta and dfbetas Index Plots
densityPlot

Nonparametric Density Estimates
invResPlot

Inverse Response Plots to Transform the Response
powerTransform

Finding Univariate or Multivariate Power Transformations
mmps

Marginal Model Plotting
compareCoefs

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

Regression Leverage Plots
leveneTest

Levene's Test
car-internal.Rd

Internal Objects for the car package
some

Sample a Few Elements of an Object
ncvTest

Score Test for Non-Constant Error Variance
influence.mixed.models

Influence Diagnostics for Mixed-Effects Models
spreadLevelPlot

Spread-Level Plots
carHexsticker

View the Official Hex Sticker for the car Package
influencePlot

Regression Influence Plot
outlierTest

Bonferroni Outlier Test
regLine

Plot Regression Line
mcPlots

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

Recode a Variable
hccm

Heteroscedasticity-Corrected Covariance Matrices
showLabels

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

Logit Transformation
sigmaHat

Return the scale estimate for a regression model
residualPlots

Residual Plots for Linear and Generalized Linear Models
linearHypothesis

Test Linear Hypothesis
vif

Variance Inflation Factors
testTransform

Likelihood-Ratio Tests for Univariate or Multivariate Power Transformations to Normality
scatter3d

Three-Dimensional Scatterplots and Point Identification
brief

Print Abbreviated Ouput
boxTidwell

Box-Tidwell Transformations
qqPlot

Quantile-Comparison Plot
scatterplot

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

Scatterplot Matrices
crPlots

Component+Residual (Partial Residual) Plots
deltaMethod

Estimate and Standard Error of a Nonlinear Function of Estimated Regression Coefficients
hist.boot

Methods Functions to Support boot Objects
infIndexPlot

Influence Index Plot
poTest

Test for Proportional Odds in the Proportional-Odds Logistic-Regression Model
panel.car

Panel Function for Coplots
subsets

Plot Output from regsubsets Function in leaps package
symbox

Boxplots for transformations to symmetry
wcrossprod

Weighted Matrix Crossproduct
whichNames

Position of Row Names