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<table width="100%" summary="page for cabbages {MASS}"><tr><td>cabbages {MASS}</td><td align="right">R Documentation</td></tr></table>
<h2>Data from a cabbage field trial</h2>


<h3>Description</h3>

<p>
The <code>cabbages</code> data set has 60 observations and 4 variables
</p>


<h3>Usage</h3>

<pre>
cabbages
</pre>


<h3>Format</h3>

<p>
This data frame contains the following columns:
<dl>
<dt><code>Cult</code></dt><dd>Factor giving the cultivar of the cabbage, two levels: <code>c39</code> and <code>c52</code>.
</dd>
<dt><code>Date</code></dt><dd>Factor specifying one of three planting dates: <code>d16</code>, <code>d20</code> or <code>d21</code>.
</dd>
<dt><code>HeadWt</code></dt><dd>Weight of the cabbage head, presumably in kg.
</dd>
<dt><code>VitC</code></dt><dd>Ascorbic acid content, in undefined units.
</dd></dl>

<h3>Source</h3>

<p>
Rawlings, J. O. (1988)
<EM>Applied Regression Analysis: A Research Tool.</EM>
Wadsworth and Brooks/Cole.  Example 8.4, page 219.
(Rawlings cites the original source as the files of the late
Dr Gertrude M Cox.)
</p>


<h3>References</h3>

<p>
Venables, W. N. and Ripley, B. D. (1999)
<EM>Modern Applied Statistics with S-PLUS.</EM> Third
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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