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car (version 1.1-0)

Companion to Applied Regression

Description

This package accompanies J. Fox, An R and S-PLUS Companion to Applied Regression, Sage, 2002. The package contains mostly functions for applied regression, linear models, and generalized linear models, with an emphasis on regression diagnostics, particularly graphical diagnostic methods. There are also some utility functions. With some exceptions, I have tried not to duplicate capabilities in the basic distribution of R, nor in widely used packages. Where relevant, the functions in car are consistent with na.action = na.omit or na.exclude.

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Version

Install

install.packages('car')

Monthly Downloads

409,655

Version

1.1-0

License

GPL version 2 or newer

Maintainer

John Fox

Last Published

September 27th, 2024

Functions in car (1.1-0)

ncv.test

Score Test for Non-Constant Error Variance
Anova

Anova Tables for Various Statistical Models
Ask

Change Argument to a Function Interactively
Ellipses

Ellipses, Data Ellipses, and Confidence Ellipses
box.tidwell

Box-Tidwell Transformations
box.cox

Box-Cox Family of Transformations
ceres.plots

Ceres Plots
influence.plot

Regression Influence Plot
Contrasts

Functions to Construct Contrasts
durbin.watson

Durbin-Watson Test for Autocorrelated Errors
box.cox.var

Constructed Variable for Box-Cox Transformation
Cook's Distances

Cook's Distances for Linear and Generalized Linear Models
leverage.plots

Regression Leverage Plots
box.cox.powers

Multivariate Unconditional Box-Cox Transformations
levene.test

Levene's Test
hccm

Heteroscedasticity-Corrected Covariance Matrices
linear.hypothesis

Test Linear Hypothesis
panel.car

Panel Function Coplots
vif

Variance Inflation Factors
n.bins

Number of Bins for Histogram
subsets

Plot Output from regsubsets Function in leaps package
some

Sample a Few Elements of an Object
scatterplot.matrix

Scatterplot Matrices
reg.line

Plot Regression Line
car-package

Companion to Applied Regression
which.names

Position of Row Names
outlier.test

Bonferroni Outlier Test
cr.plots

Component+Residual (Partial Residual) Plots
recode

Recode a Variable
qq.plot

Quantile-Comparison Plots
Var

Variance-Covariance Matrices (deprecated)
logit

Logit Transformation
spread.level.plot

Spread-Level Plots
symbox

Boxplots for transformations to symmetry
Transformation Axes

Axes for Transformed Variables
car-internal

Internal car functions
av.plots

Added-Variable Plots
scatterplot

Scatterplots with Boxplots
Anscombe

U. S. State Public-School Expenditures
Adler

Experimenter Expectations
Bfox

Canadian Women's Labour-Force Participation
Ornstein

Interlocking Directorates Among Major Canadian Firms
Womenlf

Canadian Women's Labour-Force Participation
Ginzberg

Data on Depression
Robey

Fertility and Contraception
Mandel

Contrived Collinear Data
Freedman

Crowding and Crime in U. S. Metropolitan Areas
Moore

Status, Authoritarianism, and Conformity
Chile

Voting Intentions in the 1988 Chilean Plebiscite
Baumann

Methods of Teaching Reading Comprehension
SLID

Survey of Labour and Income Dynamics
Leinhardt

Data on Infant-Mortality
UN

GDP and Infant Mortality
Prestige

Prestige of Canadian Occupations
Blackmoor

Exercise Histories of Eating-Disordered and Control Subjects
Mroz

U.S. Women's Labor-Force Participation
Hartnagel

Canadian Crime-Rates Time Series
Chirot

The 1907 Romanian Peasant Rebellion
Ericksen

The 1980 U.S. Census Undercount
Davis

Self-Reports of Height and Weight
US.pop

Population of the United States
Vocab

Vocabulary and Education
Guyer

Anonymity and Cooperation
Sahlins

Agricultural Production in Mazulu Village
Migration

Canadian Interprovincial Migration Data
Angell

Moral Integration of American Cities
Burt

Fraudulent Data on IQs of Twins Raised Apart
Can.pop

Canadian Population Data
States

Education and Related Statistics for the U.S. States
Duncan

Duncan's Occupational Prestige Data
Friendly

Format Effects on Recall
Quartet

Four Regression Datasets
Cowles

Cowles and Davis's Data on Volunteering
Greene

Refugee Appeals
DavisThin

Davis's Data on Drive for Thinness
Florida

Florida County Voting