car v3.0-1


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