\HeaderA{Melanoma}{Survival from Malignant Melanoma}{Melanoma}
\keyword{datasets}{Melanoma}
\begin{Description}\relax
The \code{Melanoma} data frame has data on 205 patients in Denmark
with malignant melanoma.
\end{Description}
\begin{Usage}
\begin{verbatim}
Melanoma
\end{verbatim}
\end{Usage}
\begin{Format}\relax
This data frame contains the following columns:
\describe{
\item[\code{time}] survival time in days, possibly censored

\item[\code{status}] \code{1} died from melanoma, \code{2} alive, \code{3} dead from other causes

\item[\code{sex}] \code{1} = male, \code{2} = female

\item[\code{age}] age in years

\item[\code{year}] of operation

\item[\code{thickness}] tumour thickness in mm

\item[\code{ulcer}] \code{1} = presence, \code{0} = absence
}
\end{Format}
\begin{Source}\relax
P. K. Andersen, O. Borgan, R. D. Gill, and N. Keiding (1993)
\emph{Statistical Models based on Counting Processes.}
Springer.
\end{Source}

