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car (version 1.2-7)

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

1.2-7

License

GPL (>= 2)

Maintainer

John Fox

Last Published

September 27th, 2024

Functions in car (1.2-7)

Var

Variance-Covariance Matrices (deprecated)
UN

GDP and Infant Mortality
Cowles

Cowles and Davis's Data on Volunteering
Ask

Change Argument to a Function Interactively
Anscombe

U. S. State Public-School Expenditures
ceres.plots

Ceres Plots
outlier.test

Bonferroni Outlier Test
Chile

Voting Intentions in the 1988 Chilean Plebiscite
Hartnagel

Canadian Crime-Rates Time Series
SLID

Survey of Labour and Income Dynamics
Moore

Status, Authoritarianism, and Conformity
Sahlins

Agricultural Production in Mazulu Village
Duncan

Duncan's Occupational Prestige Data
Burt

Fraudulent Data on IQs of Twins Raised Apart
Davis

Self-Reports of Height and Weight
Mandel

Contrived Collinear Data
Quartet

Four Regression Datasets
ncv.test

Score Test for Non-Constant Error Variance
Vocab

Vocabulary and Education
Mroz

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

Regression Influence Plot
logit

Logit Transformation
av.plots

Added-Variable Plots
leverage.plots

Regression Leverage Plots
n.bins

Number of Bins for Histogram
levene.test

Levene's Test
Ericksen

The 1980 U.S. Census Undercount
Cook's Distances

Cook's Distances for Linear and Generalized Linear Models
recode

Recode a Variable
Pottery

Chemical Composition of Pottery
hccm

Heteroscedasticity-Corrected Covariance Matrices
Can.pop

Canadian Population Data
Blackmoor

Exercise Histories of Eating-Disordered and Control Subjects
which.names

Position of Row Names
Florida

Florida County Voting
box.cox

Box-Cox Family of Transformations
Transformation Axes

Axes for Transformed Variables
qq.plot

Quantile-Comparison Plots
spread.level.plot

Spread-Level Plots
DavisThin

Davis's Data on Drive for Thinness
scatterplot.matrix

Scatterplot Matrices
Prestige

Prestige of Canadian Occupations
symbox

Boxplots for transformations to symmetry
Angell

Moral Integration of American Cities
Greene

Refugee Appeals
Freedman

Crowding and Crime in U. S. Metropolitan Areas
OBrienKaiser

O'Brien and Kaiser's Repeated-Measures Data
Friendly

Format Effects on Recall
scatterplot

Scatterplots with Boxplots
vif

Variance Inflation Factors
box.cox.var

Constructed Variable for Box-Cox Transformation
States

Education and Related Statistics for the U.S. States
panel.car

Panel Function Coplots
Soils

Soil Compositions of Physical and Chemical Characteristics
Leinhardt

Data on Infant-Mortality
some

Sample a Few Elements of an Object
box.cox.powers

Multivariate Unconditional Box-Cox Transformations
reg.line

Plot Regression Line
linear.hypothesis

Test Linear Hypothesis
Contrasts

Functions to Construct Contrasts
box.tidwell

Box-Tidwell Transformations
cr.plots

Component+Residual (Partial Residual) Plots
US.pop

Population of the United States
Ginzberg

Data on Depression
Ornstein

Interlocking Directorates Among Major Canadian Firms
Baumann

Methods of Teaching Reading Comprehension
Adler

Experimenter Expectations
Ellipses

Ellipses, Data Ellipses, and Confidence Ellipses
car-package

Companion to Applied Regression
car-internal

Internal car functions
subsets

Plot Output from regsubsets Function in leaps package
Migration

Canadian Interprovincial Migration Data
Anova

Anova Tables for Various Statistical Models
Guyer

Anonymity and Cooperation
Robey

Fertility and Contraception
Bfox

Canadian Women's Labour-Force Participation
Womenlf

Canadian Women's Labour-Force Participation
durbin.watson

Durbin-Watson Test for Autocorrelated Errors
Chirot

The 1907 Romanian Peasant Rebellion