tires.sus: Stepped Up Speed Tire Failure Test Data

In nutshell: Data for "R in a Nutshell"

Description

This data set contains the results of an experiment on tire durability conducted by the NHTSA.

Usage

data(tires.sus)

Format

A data frame with 66 observations on the following 27 variables.

Phase

a numeric vector

Tire_Type

a factor with levels B, C, D, E, H, and L

Barcode

a numeric vector

Dot_Number

a factor

Dot_MidWeekDate

a factor

Collection_Date

a factor

DOT_Age

a numeric vector

X1st_Task

a factor with levels HS_AIR ,HS_AIR_F, and HS_AIR_F_S

X1st_Task_Status

a factor with levels Tested

Position

a factor with levels Left Front, Left Rear, New, Right Front, Right Rear, and Spare

ORN

a factor with levels New, OEM, and Repl

AZ_Use

a numeric vector

DOT_Est_Mileage_mi

a numeric vector

DOT_Est_Mileage_km

a numeric vector

Initial_IP_kPa

a numeric vector

Load_kg

a numeric vector

Time_To_Failure

a numeric vector

Speed_At_Failure_km_h

a numeric vector

Mileage_At_Failure_km

a numeric vector

Millions_Cycles_At_Failure

a numeric vector

Failure_Type

a factor

Failure.Notes

a factor

Photo_1

a factor

Photo_2

a factor

Photo_3

a factor

Photo_4

a factor

Invoice_Date

a factor representing invoice dates

Details

This data is used as an example in the book "R in a Nutshell" from O'Reilly Media.

Source

The data for this example was taken from http://www-nrd.nhtsa.dot.gov/vrtc/ca/tires.htm

Examples

data(tires.sus)
library(lattice)
dotplot(as.factor(Speed_At_Failure_km_h) ~ Time_To_Failure | Tire_Type,
        data=tires.sus)

Example output

Loading required package: nutshell.bbdb
Loading required package: nutshell.audioscrobbler

nutshell documentation built on May 1, 2019, 10:08 p.m.