The 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
This data frame contains the following columns:
volt
The voltage (in kV).
time
The failure or censoring time in hours.
cens
The censoring indicator; 1
means right-censored data.
Davison, A.C. and Hinkley, D.V. (1997) Bootstrap Methods and Their Application. Cambridge University Press.