car v3.0-6


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Companion to Applied Regression

Functions to Accompany J. Fox and S. Weisberg, An R Companion to Applied Regression, Third Edition, Sage, 2019.

Functions in car

Name Description
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 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
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