These data resulted from a test that was conducted to obtain information on the strength of an alloy produced by an alternate process. The designation for the alloy was not provided and is only referred to as "Alloy C". Specimens of the alloy were subjected to different levels of constant stress, measured in ksi (1 ksi = 1000 psi). The data set includes the number of failed specimens observed in each interval of applied stress.
A data.frame
with 9 rows and 4 variables:
[, 1] | ksil | Lower limit of the stress interval | Numeric |
[, 2] | ksiu | Upper limit of the stress interval | Numeric |
[, 3] | event | Event observed in the interval (interval-censored) | Categoric |
[, 4] | count | Number of events observed in the interval | Numeric |
Meeker W.Q. and Escobar L.A., Statistical Methods for Reliability Data, New York, NY; John Wiley & Sons. 276
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