abd (version 0.2-8)

ShuttleDisaster: Ambient Temperature and O-Ring Failures

Description

Data on temperature and number of O-ring failures for 23 space shuttle launches.

Format

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

temperature

a numeric vector

failures

a numeric vector

Source

Dalal, S.R., E.B. Fowlkes, and B. Hoadley. 1989. Risk analysis of the Space Shuttle: Pre-Challenger prediction of failure. Journal of the American Statistical Association 408: 945-957.

References

Tufte, E.R. 1997. Visual Explanations: Images and Quantities, Evidence and Narrative. Graphics Press.

http://www.edwardtufte.com/tufte/

Examples

str(ShuttleDisaster)
xyplot( jitter(failures, amount=0.1) ~ temperature, ShuttleDisaster,
  ylab='number of failures'
  )