car v3.0-0


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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, in press.

Functions in car

Name Description
carWeb Access to the R Companion to Applied Regression website
boxCox Graph the profile log-likelihood for Box-Cox transformations in 1D, or in 2D with the bcnPower family.
Ellipses Ellipses, Data Ellipses, and Confidence Ellipses
boxCoxVariable Constructed Variable for Box-Cox Transformation
Predict Model Predictions
Import Import data from many file formats
leveragePlots Regression Leverage Plots
ceresPlots Ceres Plots
qqPlot Quantile-Comparison Plot
recode Recode a Variable
scatterplotMatrix Scatterplot Matrices
linearHypothesis Test Linear Hypothesis
compareCoefs Print estimated coefficients and their standard errors in a table for several regression models.
showLabels Functions to Identify and Mark Extreme Points in a 2D Plot.
Export Export a data frame to disk in one of many formats
Tapply Apply a Function to a Variable Within Factor Levels
crPlots Component+Residual (Partial Residual) Plots
TransformationAxes Axes for Transformed Variables
car-defunct Defunct Functions in the car Package
car-deprecated Deprecated Functions in the car Package
deltaMethod Estimate and Standard Error of a Nonlinear Function of Estimated Regression Coefficients
dfbetaPlots dfbeta and dfbetas Index Plots
infIndexPlot Influence Index Plot
durbinWatsonTest Durbin-Watson Test for Autocorrelated Errors
hccm Heteroscedasticity-Corrected Covariance Matrices
invTranPlot Choose a Predictor Transformation Visually or Numerically
leveneTest Levene's Test
logit Logit Transformation
influence.mixed.models Influence Diagnostics for Mixed-Effects Models
densityPlot Nonparametric Density Estimates
hist.boot Methods Functions to Support boot Objects
mmps Marginal Model Plotting
influencePlot Regression Influence Plot
mcPlots Draw Linear Model Marginal and Conditional Plots in Parallel or Overlaid
regLine Plot Regression Line
outlierTest Bonferroni Outlier Test
residualPlots Residual Plots for Linear and Generalized Linear Models
invResPlot Inverse Response Plots to Transform the Response
vif Variance Inflation Factors
poTest Test for Proportional Odds in the Proportional-Odds Logistic-Regression Model Panel Function for Coplots
powerTransform Finding Univariate or Multivariate Power Transformations
ncvTest Score Test for Non-Constant Error Variance
sigmaHat Return the scale estimate for a regression model
wcrossprod Weighted Matrix Crossproduct
scatter3d Three-Dimensional Scatterplots and Point Identification
spreadLevelPlot Spread-Level Plots
symbox Boxplots for transformations to symmetry
some Sample a Few Elements of an Object
subsets Plot Output from regsubsets Function in leaps package
testTransform Likelihood-Ratio Tests for Univariate or Multivariate Power Transformations to Normality
scatterplot Enhanced Scatterplots with Marginal Boxplots, Point Marking, Smoothers, and More
whichNames Position of Row Names
Boxplot Boxplots With Point Identification
Contrasts Functions to Construct Contrasts
Boot Bootstrapping for regression models
ScatterplotSmoothers Smoothers to Draw Lines on Scatterplots
S Modified Functions for Summarizing Linear, Generalized Linear, and Some Other Models
Anova Anova Tables for Various Statistical Models
boxTidwell Box-Tidwell Transformations
bcPower Box-Cox, Box-Cox with Negatives Allowed, Yeo-Johnson and Basic Power Transformations
avPlots Added-Variable Plots
brief Print Abbreviated Ouput
carPalette Set or Retrieve car Package Color Palette
car-internal.Rd Internal Objects for the car package
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