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car (version 3.0-8)

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

531,516

Version

3.0-8

License

GPL (>= 2)

Maintainer

John Fox

Last Published

May 21st, 2020

Functions in car (3.0-8)

Ellipses

Ellipses, Data Ellipses, and Confidence Ellipses
Contrasts

Functions to Construct Contrasts
Predict

Model Predictions
ScatterplotSmoothers

Smoothers to Draw Lines on Scatterplots
Boot

Bootstrapping for regression models
Boxplot

Boxplots With Point Identification
Anova

Anova Tables for Various Statistical Models
Import

Import data from many file formats
S

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

Added-Variable Plots
car-defunct

Defunct Functions in the car Package
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
boxTidwell

Box-Tidwell Transformations
crPlots

Component+Residual (Partial Residual) Plots
boxCox

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

dfbeta and dfbetas Index Plots
invResPlot

Inverse Response Plots to Transform the Response
ceresPlots

Ceres Plots
brief

Print Abbreviated Ouput
TransformationAxes

Axes for Transformed Variables
invTranPlot

Choose a Predictor Transformation Visually or Numerically
densityPlot

Nonparametric Density Estimates
car-deprecated

Deprecated Functions in the car Package
Tapply

Apply a Function to a Variable Within Factor Levels
deltaMethod

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

Durbin-Watson Test for Autocorrelated Errors
boxCoxVariable

Constructed Variable for Box-Cox Transformation
hist.boot

Methods Functions to Support boot Objects
compareCoefs

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

Finding Univariate or Multivariate Power Transformations
ncvTest

Score Test for Non-Constant Error Variance
hccm

Heteroscedasticity-Corrected Covariance Matrices
infIndexPlot

Influence Index Plot
qqPlot

Quantile-Comparison Plot
carPalette

Set or Retrieve car Package Color Palette
panel.car

Panel Function for Coplots
showLabels

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

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

Boxplots for transformations to symmetry
scatterplot

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

Levene's Test
carWeb

Access to the R Companion to Applied Regression Website
outlierTest

Bonferroni Outlier Test
carHexsticker

View the Official Hex Sticker for the car Package
car-internal.Rd

Internal Objects for the car package
influence.mixed.models

Influence Diagnostics for Mixed-Effects Models
mcPlots

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

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

Regression Leverage Plots
scatterplotMatrix

Scatterplot Matrices
influencePlot

Regression Influence Plot
mmps

Marginal Model Plotting
linearHypothesis

Test Linear Hypothesis
strings2factors

Convert Character-String Variables in a Data Frame to Factors
scatter3d

Three-Dimensional Scatterplots and Point Identification
residualPlots

Residual Plots for Linear and Generalized Linear Models
regLine

Plot Regression Line
logit

Logit Transformation
vif

Variance Inflation Factors
sigmaHat

Return the scale estimate for a regression model
subsets

Plot Output from regsubsets Function in leaps package
some

Sample a Few Elements of an Object
wcrossprod

Weighted Matrix Crossproduct
whichNames

Position of Row Names
recode

Recode a Variable
spreadLevelPlot

Spread-Level Plots