R Dataset / Package survival / genfan
The data come from a field engineering study of the time to failure of diesel generator fans. The ultimate goal was to decide whether or not to replace the working fans with a higher quality fan to prevent future failures. Seventy generators were studied. For each one, the number of hours of running time from its first being put into service until fan failure or until the end of the study(whichever came first) was recorded.
A data frame with 70 observations on the following 2 variables.
hours of service
Nelson, Journal of Quality Technology, 1:27-52, 1969
Dataset imported from https://www.r-project.org.
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