R: data from Exercise 7.13, p225

rats {KMsurv} | R Documentation

## data from Exercise 7.13, p225

### Description

The `rats` data frame has 50 rows and 4 columns.

### Format

This data frame contains the following columns:

time

  Time to tumor development

tumor

  Indicator of tumor development (1=yes, 0=no)

trt

  Treatment (1=treated with drug, 0=given placebo)

litter

  Litter

### Source

Klein and Moeschberger (1997) Survival Analysis Techniques for Censored and truncated data, Springer.

### Examples

    data(rats)

[Package KMsurv version 0.1-5 Index]