veteran

<p>Randomised trial of two treatment regimens for lung cancer.
  This is a standard survival analysis data set.</p>

datasets

Contains the core survival analysis routines, including
definition of Surv objects,
Kaplan-Meier and Aalen-Johansen (multi-state) curves, Cox models,
and parametric accelerated failure time models.

Terry Therneau

survival

Survival Analysis

Thomas Lumley

veteran function

<p></p><table><tr><td>
    trt:</td>
<td> 1=standard 2=test</td>
</tr><tr><td>
    celltype:</td>
<td> 1=squamous,  2=smallcell,  3=adeno,  4=large</td>
</tr><tr><td>
    time:</td>
<td> survival time</td>
</tr><tr><td>
    status:</td>
<td> censoring status</td>
</tr><tr><td>
    karno:</td>
<td> Karnofsky performance score (100=good)</td>
</tr><tr><td>
    diagtime:</td>
<td> months from diagnosis to randomisation</td>
</tr><tr><td>
    age:</td>
<td> in years</td>
</tr><tr><td>
    prior:</td>
<td> prior therapy 0=no, 10=yes</td>
</tr></table>

veteran: Veterans' Administration Lung Cancer study

Description

Usage

Arguments

Format

trt:	1=standard 2=test
celltype:	1=squamous, 2=smallcell, 3=adeno, 4=large
time:	survival time
status:	censoring status
karno:	Karnofsky performance score (100=good)
diagtime:	months from diagnosis to randomisation
age:	in years
prior:	prior therapy 0=no, 10=yes