volt
| The voltage (in kV). |
time
| The failure or censoring time in hours. |
cens
|
The censoring indicator; 1 means right-censored data.
|
hirose
data frame has 44 rows and 3 columns.
PET film is used in electrical insulation. In this accelerated life test the failure times for 44 samples in gas insulated transformers. 4 different voltage levels were used.
Hirose, H. (1993) Estimation of threshold stress in accelerated life-testing. IEEE Transactions on Reliability, 42, 650-657.