# car v1.0-18

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by John Fox

## Companion to Applied Regression

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.

## Functions in car

Name | Description | |

Anova | Anova Tables for Linear and Generalized Linear Models | |

box.tidwell | Box-Tidwell Transformations | |

logit | Logit Transformation | |

spread.level.plot | Spread-Level Plots | |

Transformation Axes | Axes for Transformed Variables | |

Cook's Distances | Cook's Distances for Linear and Generalized Linear Models | |

scatterplot.matrix | Scatterplot Matrices | |

scatterplot | Scatterplots with Boxplots | |

reg.line | Plot Regression Line | |

panel.car | Panel Function Coplots | |

some | Sample a Few Elements of an Object | |

vif | Variance Inflation Factors | |

Contrasts | Functions to Construct Contrasts | |

qq.plot | Quantile-Comparison Plots | |

hccm | Heteroscedasticity-Corrected Covariance Matrices | |

outlier.test | Bonferroni Outlier Test | |

symbox | Boxplots for transformations to symmetry | |

box.cox | Box-Cox Family of Transformations | |

durbin.watson | Durbin-Watson Test for Autocorrelated Errors | |

box.cox.powers | Multivariate Unconditional Box-Cox Transformations | |

car-internal | Internal car functions | |

influence.plot | Regression Influence Plot | |

ncv.test | Score Test for Non-Constant Error Variance | |

subsets | Plot Output from regsubsets Function in leaps package | |

Var | Variance-Covariance Matrices (deprecated) | |

n.bins | Number of Bins for Histogram | |

Ellipses | Ellipses, Data Ellipses, and Confidence Ellipses | |

Ask | Change Argument to a Function Interactively | |

av.plots | Added-Variable Plots | |

cr.plots | Component+Residual (Partial Residual) Plots | |

ceres.plots | Ceres Plots | |

leverage.plots | Regression Leverage Plots | |

recode | Recode a Variable | |

box.cox.var | Constructed Variable for Box-Cox Transformation | |

levene.test | Levene's Test | |

linear.hypothesis | Test Linear Hypothesis | |

which.names | Position of Row Names | |

Anscombe | U. S. State Public-School Expenditures | |

Mroz | U.S. Women's Labor-Force Participation | |

Ericksen | The 1980 U.S. Census Undercount | |

Angell | Moral Integration of American Cities | |

Ginzberg | Data on Depression | |

Baumann | Methods of Teaching Reading Comprehension | |

Chirot | The 1907 Romanian Peasant Rebellion | |

US.pop | Population of the United States | |

Robey | Fertility and Contraception | |

Adler | Experimenter Expectations | |

Mandel | Contrived Collinear Data | |

Moore | Status, Authoritarianism, and Conformity | |

UN | GDP and Infant Mortality | |

Florida | Florida County Voting | |

Vocab | Vocabulary and Education | |

Chile | Voting Intentions in the 1988 Chilean Plebiscite | |

Can.pop | Canadian Population Data | |

Leinhardt | Data on Infant-Mortality | |

SLID | Survey of Labour and Income Dynamics | |

Davis | Self-Reports of Height and Weight | |

Greene | Refugee Appeals | |

Migration | Canadian Interprovincial Migration Data | |

Sahlins | Agricultural Production in Mazulu Village | |

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

Hartnagel | Canadian Crime-Rates Time Series | |

Burt | Fraudulent Data on IQs of Twins Raised Apart | |

Womenlf | Canadian Women's Labour-Force Participation | |

Bfox | Canadian Women's Labour-Force Participation | |

Freedman | Crowding and Crime in U. S. Metropolitan Areas | |

Ornstein | Interlocking Directorates Among Major Canadian Firms | |

Quartet | Four Regression Datasets | |

Duncan | Duncan's Occupational Prestige Data | |

Prestige | Prestige of Canadian Occupations | |

Friendly | Format Effects on Recall | |

Guyer | Anonymity and Cooperation | |

Blackmoor | Exercise Histories of Eating-Disordered and Control Subjects | |

Cowles | Cowles and Davis's Data on Volunteering | |

DavisThin | Davis's Data on Drive for Thinness | |

No Results! |

## Last month downloads

## Details

Date | 2005/7/28 |

License | GPL version 2 or newer |

URL | http://www.r-project.org, http://socserv.socsci.mcmaster.ca/jfox/ |

Packaged | Thu Jul 28 09:27:38 2005; John Fox |

depends | base (>= 1.9.0) , R (>= 1.9.0) |

suggests | leaps , MASS , nnet |

Contributors | John Fox, David Firth, Brian Ripley, Michael Friendly, Gregor Gorjanc, Georges Monette, Henric Nilsson, Achim for various suggestions, Sanford Weisberg |

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