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car (version 3.0-6)

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

3.0-6

License

GPL (>= 2)

Maintainer

John Fox

Last Published

December 23rd, 2019

Functions in car (3.0-6)

Boot

Bootstrapping for regression models
S

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

Smoothers to Draw Lines on Scatterplots
boxCox

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

Added-Variable Plots
bcPower

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

Nonparametric Density Estimates
dfbetaPlots

dfbeta and dfbetas Index Plots
leveneTest

Levene's Test
leveragePlots

Regression Leverage Plots
Import

Import data from many file formats
crPlots

Component+Residual (Partial Residual) Plots
boxCoxVariable

Constructed Variable for Box-Cox Transformation
Predict

Model Predictions
Tapply

Apply a Function to a Variable Within Factor Levels
carPalette

Set or Retrieve car Package Color Palette
TransformationAxes

Axes for Transformed Variables
mmps

Marginal Model Plotting
deltaMethod

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

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

Residual Plots for Linear and Generalized Linear Models
scatter3d

Three-Dimensional Scatterplots and Point Identification
carWeb

Access to the R Companion to Applied Regression Website
boxTidwell

Box-Tidwell Transformations
Boxplot

Boxplots With Point Identification
Contrasts

Functions to Construct Contrasts
testTransform

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

Variance Inflation Factors
brief

Print Abbreviated Ouput
ceresPlots

Ceres Plots
compareCoefs

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

Methods Functions to Support boot Objects
car-defunct

Defunct Functions in the car Package
invResPlot

Inverse Response Plots to Transform the Response
qqPlot

Quantile-Comparison Plot
influencePlot

Regression Influence Plot
influence.mixed.models

Influence Diagnostics for Mixed-Effects Models
powerTransform

Finding Univariate or Multivariate Power Transformations
panel.car

Panel Function for Coplots
poTest

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

Choose a Predictor Transformation Visually or Numerically
regLine

Plot Regression Line
recode

Recode a Variable
infIndexPlot

Influence Index Plot
scatterplot

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

Score Test for Non-Constant Error Variance
outlierTest

Bonferroni Outlier Test
subsets

Plot Output from regsubsets Function in leaps package
spreadLevelPlot

Spread-Level Plots
some

Sample a Few Elements of an Object
symbox

Boxplots for transformations to symmetry
car-internal.Rd

Internal Objects for the car package
car-deprecated

Deprecated Functions in the car Package
carHexsticker

View the Official Hex Sticker for the car Package
scatterplotMatrix

Scatterplot Matrices
wcrossprod

Weighted Matrix Crossproduct
whichNames

Position of Row Names
durbinWatsonTest

Durbin-Watson Test for Autocorrelated Errors
hccm

Heteroscedasticity-Corrected Covariance Matrices
linearHypothesis

Test Linear Hypothesis
sigmaHat

Return the scale estimate for a regression model
logit

Logit Transformation
showLabels

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

Anova Tables for Various Statistical Models
Ellipses

Ellipses, Data Ellipses, and Confidence Ellipses
Export

Export a data frame to disk in one of many formats