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<html><head><title>R: Anorexia Data on Weight Change</title>
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<table width="100%" summary="page for anorexia {MASS}"><tr><td>anorexia {MASS}</td><td align="right">R Documentation</td></tr></table>
<h2>Anorexia Data on Weight Change</h2>


<h3>Description</h3>

<p>
The <code>anorexia</code> data frame has 72 rows and 3 columns.
Weight change data for young female anorexia patients.
</p>


<h3>Usage</h3>

<pre>
anorexia
</pre>


<h3>Format</h3>

<p>
This data frame contains the following columns:
<dl>
<dt><code>Treat</code></dt><dd>Factor of three levels: Cont (Control), CBT (Cognitive Behavioural
Treatment) and  FT (Family treatment).
</dd>
<dt><code>Prewt</code></dt><dd>Weight of patient before study period, in lbs.
</dd>
<dt><code>Postwt</code></dt><dd>Weight of patient after study period, in lbs.
</dd></dl>

<h3>Source</h3>

<p>
Hand, D. J., Daly, F., McConway, K., Lunn, D. and Ostrowski, E. eds (1993)
<EM>A Handbook of Small Data Sets.</EM>
Chapman &amp; Hall, Data set 285 (p. 229)
</p>
<p>
(Note that the original source mistakenly says that weights are in kg.)
</p>


<h3>References</h3>

<p>
Venables, W. N. and Ripley, B. D. (2002)
<EM>Modern Applied Statistics with S.</EM> Fourth edition.  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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