span><span class="co"># Aggregate useful energy types in columns</span></span>
<span><span class="fu"><a href="../reference/aggregate_pieces_byname.html">aggregate_pieces_byname</a></span><span class="op">(</span><span class="va">m_pieces</span>, piece <span class="op">=</span> <span class="st">"suff"</span>, margin <span class="op">=</span> <span class="fl">2</span>,</span>
<span>                        notation <span class="op">=</span> <span class="fu">RCLabels</span><span class="fu">::</span><span class