orings {DAAG} | R Documentation |
Challenger O-rings Data
Description
Record of the number and type of O-ring failures prior to the tragic Challenger mission in January, 1986.
Usage
orings
Format
This data frame contains the following columns:
- Temperature
O-ring temperature for each test firing or actual launch of the shuttle rocket engine
- Erosion
Number of erosion incidents
- Blowby
Number of blowby incidents
- Total
Total number of incidents
Source
Presidential Commission on the Space Shuttle Challenger Accident, Vol. 1, 1986: 129-131.
References
Tufte, E. R. 1997. Visual Explanations. Graphics Press, Cheshire, Connecticut, U.S.A.
Examples
oldpar <- par(mfrow=c(1,2))
plot(Total~Temperature, data = orings[c(1,2,4,11,13,18),]) # the
# observations included in the pre-launch charts
plot(Total~Temperature, data = orings)
par(oldpar)
[Package DAAG version 1.25.6 Index]