><span class="va">X</span><span class="op">)</span></span></code></pre></div>
<pre><code><span><span class="co">##         height weight age male</span></span>
<span><span class="co">## Alfred    69.0  112.5  14    1</span></span>
<span><span class="co">## Alice     56.5   84.0  13    0</span></span>
<span><span class="co">## Barbara   65.3   98.0  13    0</span></span>
<span><span class="co">## Carol     62.8  102.5  14    0</span></span>
<span><span class="co">## Henry     63.5  102.5  14    1</span></spa