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car (version 1.2-14)

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

522,153

Version

1.2-14

License

GPL (>= 2)

Maintainer

John Fox

Last Published

April 23rd, 2009

Functions in car (1.2-14)

Duncan

Duncan's Occupational Prestige Data
Moore

Status, Authoritarianism, and Conformity
Bfox

Canadian Women's Labour-Force Participation
Ask

Change Argument to a Function Interactively
Davis

Self-Reports of Height and Weight
Womenlf

Canadian Women's Labour-Force Participation
levene.test

Levene's Test
States

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

Heteroscedasticity-Corrected Covariance Matrices
Adler

Experimenter Expectations
box.cox.powers

Multivariate Unconditional Box-Cox Transformations
Baumann

Methods of Teaching Reading Comprehension
Soils

Soil Compositions of Physical and Chemical Characteristics
box.cox.var

Constructed Variable for Box-Cox Transformation
Florida

Florida County Voting
car-internal

Internal car functions
Chirot

The 1907 Romanian Peasant Rebellion
leverage.plots

Regression Leverage Plots
Mroz

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

Ellipses, Data Ellipses, and Confidence Ellipses
n.bins

Number of Bins for Histogram
box.tidwell

Box-Tidwell Transformations
Freedman

Crowding and Crime in U. S. Metropolitan Areas
ncv.test

Score Test for Non-Constant Error Variance
scatterplot

Scatterplots with Boxplots
Transformation Axes

Axes for Transformed Variables
durbin.watson

Durbin-Watson Test for Autocorrelated Errors
Ornstein

Interlocking Directorates Among Major Canadian Firms
Var

Variance-Covariance Matrices (deprecated)
Vocab

Vocabulary and Education
Guyer

Anonymity and Cooperation
cr.plots

Component+Residual (Partial Residual) Plots
Quartet

Four Regression Datasets
linear.hypothesis

Test Linear Hypothesis
av.plots

Added-Variable Plots
some

Sample a Few Elements of an Object
panel.car

Panel Function Coplots
scatterplot.matrix

Scatterplot Matrices
logit

Logit Transformation
qq.plot

Quantile-Comparison Plots
Angell

Moral Integration of American Cities
Chile

Voting Intentions in the 1988 Chilean Plebiscite
SLID

Survey of Labour and Income Dynamics
symbox

Boxplots for transformations to symmetry
which.names

Position of Row Names
outlier.test

Bonferroni Outlier Test
Can.pop

Canadian Population Data
car-package

Companion to Applied Regression
Mandel

Contrived Collinear Data
Blackmoor

Exercise Histories of Eating-Disordered and Control Subjects
Hartnagel

Canadian Crime-Rates Time Series
UN

GDP and Infant Mortality
Ginzberg

Data on Depression
Burt

Fraudulent Data on IQs of Twins Raised Apart
Migration

Canadian Interprovincial Migration Data
spread.level.plot

Spread-Level Plots
Cook's Distances

Cook's Distances for Linear and Generalized Linear Models
Anova

Anova Tables for Various Statistical Models
ceres.plots

Ceres Plots
reg.line

Plot Regression Line
subsets

Plot Output from regsubsets Function in leaps package
recode

Recode a Variable
Cowles

Cowles and Davis's Data on Volunteering
DavisThin

Davis's Data on Drive for Thinness
OBrienKaiser

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

Refugee Appeals
Friendly

Format Effects on Recall
Sahlins

Agricultural Production in Mazulu Village
Pottery

Chemical Composition of Pottery
Robey

Fertility and Contraception
vif

Variance Inflation Factors
Contrasts

Functions to Construct Contrasts
Leinhardt

Data on Infant-Mortality
Ericksen

The 1980 U.S. Census Undercount
Prestige

Prestige of Canadian Occupations
US.pop

Population of the United States
Anscombe

U. S. State Public-School Expenditures
box.cox

Box-Cox Family of Transformations
influencPlot

Regression Influence Plot