melanom {ISwR}R Documentation

Survival after malignant melanoma

Description

The melanom 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. Observation time.
ulc
a numeric vector code. Ulceration, 1: present, 2: absent.
thick
a numeric vector. Tumor thickness (1/100 mm).
sex
a numeric vector code. 1: female, 2: male.

Source

P.K. Andersen, {O}. Borgan, R.D. Gill, N. Keiding (1991), Statistical Models Based on Counting Processes, Appendix 1, Springer-Verlag.

Examples

data(melanom)
require(survival)
plot(survfit(Surv(days,status==1),data=melanom))

[Package ISwR version 1.0-5 Index]