Melanoma data:
Short description:
In the period 1962-
Coding of variables:
1) status: 1=death from disease, 2=censored, 4=death from other cause
2) lifetime: life time from operation in years
3) ulcer: ulceration (1=present, 2=absent)
4) thickn: tumor thickness in mm
5) sex: 1=female, 2=male
6) age: age at operation in years
7) grthick: grouped tumor thickness (1: 0-
8) logthick: logarithm of tumor thickness
Source:
Andersen, P.K., Borgan, ?., Gill, R.D. and Keiding, N. (1993). Statistical models based on counting processes.