insulation | R Documentation |
Study the breakdown time of an electrical insulating fluid subject to seven different levels of voltage stress.
data("insulation")
A data frame with 76 observations on the following 2 variables.
log.stress
log of voltage stress
log.time
log of failure time
Nelson, W. (1982), Applied lifetime data analysis, New York: John Wiley and Sons.
Lawless, J.F. (1982), Statistical models and methods for lifetime data, New York: John Wiley and Sons.
Hettmansperger, T.P. and McKean J.W. (2011), Robust Nonparametric Statistical Methods, 2nd ed., New York: Chapman-Hall.
myscores <- logGFscores
myscores@param <- c(1,5)
fit <- rfit(log.time ~ log.stress,scores=myscores,data=insulation)
summary(fit)
fit$tauhat
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