Description

Veteran's Administration lung cancer trial from Kalbfleisch & Prentice.

Usage

Format

A data frame with columns:

stime

survival or follow-up time in days.

status

dead or censored.

treat

treatment: standard or test.

age

patient's age in years.

Karn

Karnofsky score of patient's performance on a scale of 0 to 100.

diag.time

times since diagnosis in months at entry to trial.

cell

one of four cell types.

prior

prior therapy?

Source

Kalbfleisch, J.D. and Prentice R.L. (1980) The Statistical Analysis of Failure Time Data. Wiley.

References

Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.