 class="co">#&gt; <span style="color: #BCBCBC;">8</span> The Beatles    George </span></span>
<span><span class="co">#&gt; <span style="color: #BCBCBC;">9</span> The Beatles    Ringo</span></span></code></pre></div>
</div>
<div class="section level2">
<h2 id="summary">Summary<a class="anchor" aria-label="anchor" href="#summary"></a>
</h2>
<p>The <code>matsbyname</code> package simplifies aggregation of matrix
rows and columns based on row and column names or pieces of row and
column names. In particular the