R: The Melanoma Survival Data

melanoma {timereg} | R Documentation

## The Melanoma Survival Data

### Description

The melanoma data frame has 205 rows and 7 columns. It contains data relating to survival of patients after operation for malignant melanoma collected at Odense University Hospital by K.T. Drzewiecki.

### Format

This data frame contains the following columns:

no

  a numeric vector. Patient code.

status

  a numeric vector code. Survival status. 1: dead from melanoma, 2: alive, 3: dead from other cause.

days

  a numeric vector. Survival time.

ulc

  a numeric vector code. Ulceration, 1: present, 0: absent.

thick

  a numeric vector. Tumour thickness (1/100 mm).

sex

  a numeric vector code. 0: female, 1: male.

### Source

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

Drzewiecki, K.T., Ladefoged, C., and Christensen, H.E. (1980), Biopsy and prognosis for cutaneous malignant melanoma in clinical stage I. Scand. J. Plast. Reconstru. Surg. 14, 141-144.

### Examples

    data(melanoma)
    names(melanoma)

[Package timereg version 1.9.4 Index]