data from Exercise 7.14, p225

Description

The twins data frame has 24 rows and 3 columns.

Format

This data frame contains the following columns:

id

Twin number

age

Age of twin's death from CHD, months

death

Death (male twin) from CHD indicator (1=dead from CHD, 0=alive or other cause of death)

gender

1=male, 2=female

Source

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

Examples

data(twins)