melanoma: Melanoma Survival Data

In sbalci/ClinicoPathJamoviModule: Analysis for Clinicopathological Research

Melanoma Survival Data

Description

Data from a study of survival in patients with malignant melanoma. Patients had their tumors surgically removed between 1962 and 1977. This dataset is part of the boot R package, originally from Andersen et al. (1993).

Usage

data(melanoma)

Format

A data frame with 205 rows and 7 variables:

time

Numeric. Survival time in days since the operation.

status

Numeric. Censoring status: 1 indicates death from melanoma, 2 indicates alive at last follow-up (censored), 3 indicates death from other causes (censored).

sex

Numeric. Sex of the patient: 1 = Male, 0 = Female.

age

Numeric. Age of the patient in years at the time of operation.

year

Numeric. Year of the operation.

thickness

Numeric. Tumor thickness in millimeters (mm).

ulcer

Numeric. Ulceration status of the tumor: 0 = Absent, 1 = Present.

Source

Andersen, P.K., Borgan, O., Gill, R.D. and Keiding, N. (1993) Statistical Models Based on Counting Processes. Springer-Verlag. Data included in the boot R package.

Examples

data(melanoma)
str(melanoma)
head(melanoma)
summary(melanoma$time)
table(melanoma$status, melanoma$ulcer)

sbalci/ClinicoPathJamoviModule documentation built on June 13, 2025, 9:34 a.m.