R Dataset / Package boot / hirose


On this Picostat.com statistics page, you will find information about the hirose data set which pertains to Failure Time of PET Film. The hirose data set is found in the boot R package. You can load the hirose data set in R by issuing the following command at the console data("hirose"). This will load the data into a variable called hirose. If R says the hirose data set is not found, you can try installing the package by issuing this command install.packages("boot") and then attempt to reload the data. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the hirose R data set. The size of this file is about 464 bytes.

Failure Time of PET Film


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.




This data frame contains the following columns:


The voltage (in kV).


The failure or censoring time in hours.


The censoring indicator; 1 means right-censored data.


The data were obtained from

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


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


Dataset imported from https://www.r-project.org.

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Attachment Size
dataset-12006.csv 464 bytes
Dataset License
GNU General Public License v2.0
Documentation License
GNU General Public License v2.0