car v3.0-4


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