

   SSuurrvviivvaall ffrroomm MMaalliiggnnaanntt MMeellaannoommaa

   AArrgguummeennttss::

       time: survival time in days, possibly censored

     status: `1' died from melanoma, `2' alive, `3' dead from
             other causes

        sex: `1' = male, `2' = female

        age: age in years

       year: of operation

   thickness: tumour thickness in mm

      ulcer: `1' = presence, `0' = absence

   SSUUMMMMAARRYY::

        The `Melanoma' data frame has data on 205 patients in
        Denmark with malignant melanoma.

   DDAATTAA DDEESSCCRRIIPPTTIIOONN::

        This data frame contains the following columns:

   SSOOUURRCCEE::

        P. K. Andersen, O. Borgan, R. D. Gill, and N. Keiding
        (1993) Statistical Models based on Counting Processes.
        Springer.

