car v3.0-5


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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, 2019.

Functions in car

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