ID3112785480   &lt;NA&gt; 240102 240102</span></span>
<span><span class="co">#&gt; 76874: MCID3112800920   &lt;NA&gt; 240102 240102</span></span>
<span><span class="co">#&gt; 76875: MCID3112870009   &lt;NA&gt; 240102 240102</span></span></code></pre></div>
<p><em>Select.</em>   Omit unnecessary columns.</p>
<div class="sourceCode" id="cb12"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="co"># Omit unnecessary columns.</span></span>
<span><span class="va">DT</span> <span cl