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Description:

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.

Variables:

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.

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Columns:

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References/Notes/Attributions:

Source

The data were obtained from

Hirose, H. (1993) Estimation of threshold stress in accelerated life-testing. IEEE Transactions on Reliability, 42, 650–657.

References

Davison, A.C. and Hinkley, D.V. (1997) Bootstrap Methods and Their Application. Cambridge University Press.

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