Ambient Temperature and O-Ring Failures

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

Usage

ShuttleDisaster

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)
#> 'data.frame':	23 obs. of  2 variables:
#>  $ temperature: int  66 70 69 68 67 72 73 70 57 63 ...
#>  $ failures   : int  0 1 0 0 0 0 0 0 1 1 ...
xyplot( jitter(failures, amount=0.1) ~ temperature, ShuttleDisaster,
  ylab='number of failures'
  )