survival {boot} | R Documentation |

## Survival of Rats after Radiation Doses

### Description

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.

### Usage

survival

### Format

This data frame contains the following columns:

`dose`

- The dose of radiation administered (rads).
`surv`

- The survival rate of the batches expressed as a percentage.

### Source

The data were obtained from

Efron, B. (1988) Computer-intensive methods in statistical regression.
*SIAM Review*, **30**, 421–449.

### References

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

[Package

*boot* version 1.2-22

Index]