ova: Ovarian cancer data set

Description Usage Format Source Examples

Description

Survival times of 358 ovarian cancer patients with information on three covariates, karnofsky status (karn), tumor diameter (diam), figo stage (figo) and patients id.

Usage

1

Format

A data frame with 358 observations on the following 6 variables.

time

Survival times in days.

death

Status indicator, 0=censored, 1=death.

karn

Karnofsky status at the start of the follow up.

figo

Figo stage.

diam

Timour diameter.

x

Patient id.

Source

Verweij, P. J. M. and Van Houwelingen H. C. (1993) Cross-validation in survival analysis. Statistics in Medicine: 12, 2305-2314

Examples

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2


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