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car (version 3.0-11)

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

374,331

Version

3.0-11

License

GPL (>= 2)

Maintainer

John Fox

Last Published

June 27th, 2021

Functions in car (3.0-11)

car-deprecated

Deprecated Functions in the car Package
infIndexPlot

Influence Index Plot
hist.boot

Methods Functions to Support boot Objects
compareCoefs

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

Axes for Transformed Variables
Predict

Model Predictions
Import

Import data from many file formats
Tapply

Apply a Function to a Variable Within Factor Levels
ceresPlots

Ceres Plots
scatterplot

Enhanced Scatterplots with Marginal Boxplots, Point Marking, Smoothers, and More
influence.mixed.models

Influence Diagnostics for Mixed-Effects Models
scatterplotMatrix

Scatterplot Matrices
Boot

Bootstrapping for regression models
Anova

Anova Tables for Various Statistical Models
densityPlot

Nonparametric Density Estimates
influencePlot

Regression Influence Plot
whichNames

Position of Row Names
brief

Print Abbreviated Ouput
boxTidwell

Box-Tidwell Transformations
crPlots

Component+Residual (Partial Residual) Plots
ncvTest

Score Test for Non-Constant Error Variance
deltaMethod

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

dfbeta and dfbetas Index Plots
outlierTest

Bonferroni Outlier Test
leveneTest

Levene's Test
mmps

Marginal Model Plotting
some

Sample a Few Elements of an Object
spreadLevelPlot

Spread-Level Plots
mcPlots

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

Regression Leverage Plots
hccm

Heteroscedasticity-Corrected Covariance Matrices
strings2factors

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

Logit Transformation
durbinWatsonTest

Durbin-Watson Test for Autocorrelated Errors
linearHypothesis

Test Linear Hypothesis
panel.car

Panel Function for Coplots
subsets

Plot Output from regsubsets Function in leaps package
residualPlots

Residual Plots for Linear and Generalized Linear Models
S

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

Smoothers to Draw Lines on Scatterplots
avPlots

Added-Variable Plots
recode

Recode a Variable
poTest

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

Plot Regression Line
symbox

Boxplots for transformations to symmetry
scatter3d

Three-Dimensional Scatterplots and Point Identification
testTransform

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

Finding Univariate or Multivariate Power Transformations
bcPower

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

Set or Retrieve car Package Color Palette
carWeb

Access to the R Companion to Applied Regression Website
invResPlot

Inverse Response Plots to Transform the Response
qqPlot

Quantile-Comparison Plot
invTranPlot

Choose a Predictor Transformation Visually or Numerically
vif

Variance Inflation Factors
showLabels

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

Return the scale estimate for a regression model
wcrossprod

Weighted Matrix Crossproduct
Boxplot

Boxplots With Point Identification
Export

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

Ellipses, Data Ellipses, and Confidence Ellipses
car-defunct

Defunct Functions in the car Package
Contrasts

Functions to Construct Contrasts
boxCox

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

Constructed Variable for Box-Cox Transformation
car-internal.Rd

Internal Objects for the car package
carHexsticker

View the Official Hex Sticker for the car Package