challenger {mcsm} | R Documentation |
This dataset records the occurence of failures in the O-rings of space shuttles against the temperature at the time of the launches. One (1) stands for a failure and zero for a success.
data(challenger)
A data frame with 23 observations on the following 2 variables.
oring
temp
In 1986, the space shuttle Challenger exploded during take off, killing the seven astronauts aboard. The explosion was the result of an O-ring failure, a splitting of a ring of rubber that seals the parts of the ship together. The accident was believed to be caused by the unusually cold weather (31 degrees F or 0 degrees C) at the time of launch, as there is reason to believe that the O-ring failure probabilities increase as temperature decreases.
Dalal, S.R., Fowlkes, E.B. and Hoadley, B. (1989) Risk analysis of the space shuttle: pre-Challenger prediction of failure. J. American Statistical Association, 84, 945–957.
See Chapters 6 and 7 of EnteR Monte Carlo Statistical Methods by Christian P. Robert and George Casella
data(challenger) plot(challenger$temp,challenger$oring)