| 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)