\HeaderA{VA}{Veteran's Administration Lung Cancer Trial}{VA}
\keyword{datasets}{VA}
\begin{Description}\relax
Veteran's Administration lung cancer trial from Kalbfleisch \& Prentice.
\end{Description}
\begin{Usage}
\begin{verbatim}
VA
\end{verbatim}
\end{Usage}
\begin{Format}\relax
A data frame with columns:
\describe{
\item[\code{stime}] survival or follow-up time in days.

\item[\code{status}] dead or censored.

\item[\code{treat}] standard or test

\item[\code{age}] patient's age in years

\item[\code{Karn}] Karnofsky score of patient's performance on a scale of 0 to 100.

\item[\code{diag.time}] times since diagnosis in months at entry to trial.

\item[\code{cell}] one of four cell types.

\item[\code{prior}] prior therapy?
}
\end{Format}
\begin{Source}\relax
Kalbfleisch, J.D. and Prentice R.L. (1980)
\emph{The Statistical Analysis of Failure Time Data.}
\end{Source}
\begin{References}\relax
Venables, W. N. and Ripley, B. D. (2002)
\emph{Modern Applied Statistics with S.} Fourth edition.  Springer.
\end{References}

