Learn R Programming

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

car (version 3.0-3)

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

430,591

Version

3.0-3

License

GPL (>= 2)

Maintainer

John Fox

Last Published

May 27th, 2019

Functions in car (3.0-3)

boxCox

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

Box-Tidwell Transformations
bcPower

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

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

View the Official Hex Sticker for the car Package
leveragePlots

Regression Leverage Plots
leveneTest

Levene's Test
car-internal.Rd

Internal Objects for the car package
avPlots

Added-Variable Plots
mmps

Marginal Model Plotting
brief

Print Abbreviated Ouput
Tapply

Apply a Function to a Variable Within Factor Levels
TransformationAxes

Axes for Transformed Variables
ceresPlots

Ceres Plots
compareCoefs

Print estimated coefficients and their standard errors in a table for several regression models.
car-defunct

Defunct Functions in the car Package
densityPlot

Nonparametric Density Estimates
Boot

Bootstrapping for regression models
car-deprecated

Deprecated Functions in the car Package
dfbetaPlots

dfbeta and dfbetas Index Plots
carPalette

Set or Retrieve car Package Color Palette
boxCoxVariable

Constructed Variable for Box-Cox Transformation
hccm

Heteroscedasticity-Corrected Covariance Matrices
durbinWatsonTest

Durbin-Watson Test for Autocorrelated Errors
some

Sample a Few Elements of an Object
powerTransform

Finding Univariate or Multivariate Power Transformations
hist.boot

Methods Functions to Support boot Objects
carWeb

Access to the R Companion to Applied Regression Website
qqPlot

Quantile-Comparison Plot
spreadLevelPlot

Spread-Level Plots
infIndexPlot

Influence Index Plot
subsets

Plot Output from regsubsets Function in leaps package
recode

Recode a Variable
crPlots

Component+Residual (Partial Residual) Plots
invResPlot

Inverse Response Plots to Transform the Response
ncvTest

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

Influence Diagnostics for Mixed-Effects Models
regLine

Plot Regression Line
symbox

Boxplots for transformations to symmetry
deltaMethod

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

Regression Influence Plot
invTranPlot

Choose a Predictor Transformation Visually or Numerically
panel.car

Panel Function for Coplots
poTest

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

Test Linear Hypothesis
outlierTest

Bonferroni Outlier Test
scatterplot

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

Logit Transformation
residualPlots

Residual Plots for Linear and Generalized Linear Models
showLabels

Functions to Identify and Mark Extreme Points in a 2D Plot.
scatter3d

Three-Dimensional Scatterplots and Point Identification
wcrossprod

Weighted Matrix Crossproduct
sigmaHat

Return the scale estimate for a regression model
scatterplotMatrix

Scatterplot Matrices
testTransform

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

Variance Inflation Factors
whichNames

Position of Row Names
Anova

Anova Tables for Various Statistical Models
Ellipses

Ellipses, Data Ellipses, and Confidence Ellipses
Import

Import data from many file formats
Predict

Model Predictions
Export

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

Boxplots With Point Identification
Contrasts

Functions to Construct Contrasts
S

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

Smoothers to Draw Lines on Scatterplots