R Dataset / Package DAAG / orings


On this R-data statistics page, you will find information about the orings data set which pertains to Challenger O-rings Data. The orings data set is found in the DAAG R package. You can load the orings data set in R by issuing the following command at the console data("orings"). This will load the data into a variable called orings. If R says the orings data set is not found, you can try installing the package by issuing this command install.packages("DAAG") and then attempt to reload the data. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the orings R data set. The size of this file is about 248 bytes.

Challenger O-rings Data


Record of the number and type of O-ring failures prior to the tragic Challenger mission in January, 1986.




This data frame contains the following columns:


O-ring temperature for each test firing or actual launch of the shuttle rocket engine


Number of erosion incidents


Number of blowby incidents


Total number of incidents


Presidential Commission on the Space Shuttle Challenger Accident, Vol. 1, 1986: 129-131.


Tufte, E. R. 1997. Visual Explanations. Graphics Press, Cheshire, Connecticut, U.S.A.


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)

Dataset imported from https://www.r-project.org.

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<iframe src="https://r-data.pmagunia.com/iframe/r-dataset-package-daag-orings.html" frameBorder="0" width="100%" height="307px" />
Attachment Size
dataset-87463.csv 248 bytes
Dataset License
GNU General Public License v2.0
Documentation License
GNU General Public License v2.0

This documentation is licensed under GPLv3 or later.