car v3.0-2


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