&lt;caption&gt;You can combine this function too!&lt;/caption&gt;</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  &lt;thead&gt;</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   &lt;tr&gt;</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>    &lt;th style="text-align:center;"&gt; Species &lt;/th&gt;</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>    &lt;th style="text-align:center;"&gt; absolute_frequency &lt;/th&gt;</span>
<span class="r-out co"><span c