survival {SMPracticals} | R Documentation |
The `survival' data frame has 14 rows and 2 columns.
The data measured the survival percentages of batches of rats who were given varying doses of radiation. At each of 6 doses there were two or three replications of the experiment.
data(survival)
A data frame with 14 observations on the following 2 variables.
Efron, B. (1988) Computer-intensive methods in statistical regression. SIAM Review, 30, 421-449.
Davison, A. C. (2003) Statistical Models. Cambridge University Press. Page 376.
data(survival) plot(survival$dose,survival$surv,log="y") # note the obvious outlier lm(log(surv)~dose,data=survival)