RAT: Rat Survival Time

In PASWR2: Probability and Statistics with R, Second Edition

Description

The survival time in weeks of 20 male rats exposed to high levels of radiation

Usage

RAT

Format

A data frame with 20 observations on the following variable:

• survival.time (number of weeks survived)

Source

Lawless, J. 1982. Statistical Models and Methods for Lifetime Data. John Wiley, New York.

References

Ugarte, M. D., Militino, A. F., and Arnholt, A. T. 2015. Probability and Statistics with R, Second Edition. Chapman & Hall / CRC.

Examples

ggplot(data = RAT, aes(sample = survival.time)) + stat_qq()
ggplot(data = RAT, aes(x = survival.time)) + geom_density(alpha = 0.2, fill = "blue") +
labs(x = "Survival time in weeks")

PASWR2 documentation built on Sept. 5, 2021, 5:44 p.m.