car v3.0-3


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