Failures in 12 of 70 generator fans were reported at times ranging between 450 hours and 8,750 hours. Of the 58 units that did not fail, the reported running times (i.e., censoring times) ranged between 460 and 11,500 hours. Different fans had different running times because units were introduced into service at different times and because their use-rates differed.
A data.frame
with 37 rows and 3 variables:
[, 1] | hours | Accumulated time at event | Numeric |
[, 2] | event | Event observed at hours (failure/right-censored) | Categoric |
[, 3] | count | Number of events observed at hours | Numeric |
Nelson, W. (1982), Applied Life Data Analysis, pg 133, New York, John Wiley & Sons Inc.
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