+-----------+-------------------+
| veteran   | R Documentation   |
+-----------+-------------------+

Veterans' Administration Lung Cancer study
------------------------------------------

Description
~~~~~~~~~~~

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

Usage
~~~~~

::

    veteran

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, 1=yes                   |
+-------------+---------------------------------------------+
+-------------+---------------------------------------------+

Source
~~~~~~

D Kalbfleisch and RL Prentice (1980), *The Statistical Analysis of
Failure Time Data*. Wiley, New York.
