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car (version 3.0-1)

Companion to Applied Regression

Description

Functions to Accompany J. Fox and S. Weisberg, An R Companion to Applied Regression, Third Edition, Sage, in press.

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Version

Install

install.packages('car')

Monthly Downloads

531,516

Version

3.0-1

License

GPL (>= 2)

Maintainer

John Fox

Last Published

August 22nd, 2018

Functions in car (3.0-1)

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.car

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