/div>
<div class="section level2">
<h2 id="last-id-col">last id col<a class="anchor" aria-label="anchor" href="#last-id-col"></a>
</h2>
<p>The recommended ouput format is to put ID style columns first and and value columns after. Last_id_col takes the integer index of the last id column.</p>
</div>
<div class="section level2">
<h2 id="header-words">header words<a class="anchor" aria-label="anchor" href="#header-words"></a>
</h2>
<p>If value columns are organized by header words they can be included in a cha