auto {corrgram}R Documentation

Statistics of 1979 automobile models

Description

The data give the following statistics for 74 automobiles in the 1979 model year as sold in the US.

Usage

data(auto)

Format

A data frame with 74 observations on the following 14 variables.

Model

Make and model of car.

Origin

a factor with levels A E J

Price

Price in dollars.

MPG

Miles per gallon.

Rep78

Repair record for 1978 on 1 (worst) to 5 (best) scale.

Rep77

Repair record for 1978 on 1 to 5 scale.

Hroom

Headroom in inches.

Rseat

Rear seat clearance in inches.

Trunk

Trunk volume in cubic feet.

Weight

Weight in pounds.

Length

Length in inches.

Turn

Turning diameter in feet.

Displa

Engine displacement in cubic inches.

Gratio

Gear ratio for high gear.

Source

This data frame was created from http://euclid.psych.yorku.ca/ftp/sas/sssg/data/auto.sas.

References

Originally published in Chambers, Cleveland, Kleiner, and Tukey, Graphical Methods for Data Analysis, 1983, pages 352-355.

The data is from various sources, primarily Consumer Reports, April, 1979, and the United States government EPA statistics on fuel consumption.

Examples


corrgram(auto[, -c(1:2)])


[Package corrgram version 1.7 Index]