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<html><head><title>R: Survival from Malignant Melanoma</title>
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<table width="100%" summary="page for Melanoma {MASS}"><tr><td>Melanoma {MASS}</td><td align="right">R Documentation</td></tr></table>
<h2>Survival from Malignant Melanoma</h2>
<h3>Description</h3>
<p>
The <code>Melanoma</code> data frame has data on 205 patients in Denmark
with malignant melanoma.
</p>
<h3>Usage</h3>
<pre>
Melanoma
</pre>
<h3>Format</h3>
<p>
This data frame contains the following columns:
<dl>
<dt><code>time</code></dt><dd>survival time in days, possibly censored
</dd>
<dt><code>status</code></dt><dd><code>1</code> died from melanoma, <code>2</code> alive, <code>3</code> dead from other causes
</dd>
<dt><code>sex</code></dt><dd><code>1</code> = male, <code>0</code> = female
</dd>
<dt><code>age</code></dt><dd>age in years
</dd>
<dt><code>year</code></dt><dd>of operation
</dd>
<dt><code>thickness</code></dt><dd>tumour thickness in mm
</dd>
<dt><code>ulcer</code></dt><dd><code>1</code> = presence, <code>0</code> = absence
</dd></dl>
<h3>Source</h3>
<p>
P. K. Andersen, O. Borgan, R. D. Gill, and N. Keiding (1993)
<EM>Statistical Models based on Counting Processes.</EM>
Springer.
</p>
<hr><div align="center">[Package <em>MASS</em> version 7.2-44 <a href="00Index.html">Index]</a></div>
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