The Melanoma Survival Data

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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

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