car

Anova Tables for Various Statistical Models

Bootstrapping for regression models

Boxplots With Point Identification

Functions to Construct Contrasts

Ellipses, Data Ellipses, and Confidence Ellipses

Export a data frame to disk in one of many formats

Import data from many file formats

Model Predictions

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

Smoothers to Draw Lines on Scatterplots

Apply a Function to a Variable Within Factor Levels

Axes for Transformed Variables

Added-Variable Plots

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

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

Constructed Variable for Box-Cox Transformation

Box-Tidwell Transformations

Print Abbreviated Ouput

Defunct Functions in the car Package

Deprecated Functions in the car Package

Internal Objects for the car package

View the Official Hex Sticker for the car Package

Set or Retrieve car Package Color Palette

Access to the R Companion to Applied Regression Website

Ceres Plots

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

Component+Residual (Partial Residual) Plots

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

Nonparametric Density Estimates

dfbeta and dfbetas Index Plots

Durbin-Watson Test for Autocorrelated Errors

Heteroscedasticity-Corrected Covariance Matrices

Methods Functions to Support boot Objects

Influence Index Plot

Influence Diagnostics for Mixed-Effects Models

Regression Influence Plot

Inverse Response Plots to Transform the Response

Choose a Predictor Transformation Visually or Numerically

Levene's Test

Regression Leverage Plots

Test Linear Hypothesis

Logit Transformation

Marginal Model Plotting

Draw Linear Model Marginal and Conditional Plots in Parallel or Overlaid

Score Test for Non-Constant Error Variance

Bonferroni Outlier Test

Panel Function for Coplots

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

Finding Univariate or Multivariate Power Transformations

Quantile-Comparison Plot

Recode a Variable

Plot Regression Line

Residual Plots for Linear and Generalized Linear Models

Three-Dimensional Scatterplots and Point Identification

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

Scatterplot Matrices

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

Return the scale estimate for a regression model

Sample a Few Elements of an Object

Spread-Level Plots

Convert Character-String Variables in a Data Frame to Factors

Plot Output from regsubsets Function in leaps package

Boxplots for transformations to symmetry

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

Variance Inflation Factors

Weighted Matrix Crossproduct

Position of Row Names