faraway (version 1.0.7)

orings: Spache Shuttle Challenger O-rings

Description

The 1986 crash of the space shuttle Challenger was linked to failure of O-ring seals in the rocket engines. Data was collected on the 23 previous shuttle missions. The launch temperature on the day of the crash was 31F.

Usage

data(orings)

Arguments

Format

A data frame with 23 observations on the following 2 variables.

temp

temperature at launch in degrees F

damage

number of damage incidents out of 6 possible

References

S. Dalal, E. Fowlkes and B. Hoadley (1989) "Risk Analysis of the Space Shuttle: Pre-Challenger Prediction of Failure." Journal of the American Statistical Association. 84: 945-957.