| breakdown {GLMsData} | R Documentation |
Dialetric breakdown data
Description
The dialetric breakdown strength of electrical insulation
Usage
data(breakdown)Format
A data frame containing 128 observations with the following 3 variables.
Strengththe dialetric breakdown strength, in kiloVolts
Timethe time exposure in weeks; one of
1,2,4,8,16,32,48, or64Temperaturethe temperature, in degrees Celsius; one of
180,225,250or275
Details
The data come from a study of performance degradation of electrical insulation from accelerated tests. The study can be considered as a 8-by-4 factorial experiment, with four measurements for each time–temperature combination.
Source
OzDASL, available on-line at http://www.statsci.org/data/general/dialectr.html.
References
Nelson, W. (1981) Analysis of performance-degradation data. IEEE Transactions on Reliability, 2, R-30, 149–155.
The Statistical Reference Datasets page: http://www.itl.nist.gov/div898/strd/nls/data/nelson.shtml.
Examples
data(breakdown)
summary(breakdown)