t co'>#&gt; <span class='message'>hello world</span></div><div class='input'>
<span class='no'>missing_cols</span> <span class='kw'>&lt;-</span> <span class='fu'>c</span>(<span class='st'>"WT"</span>, <span class='st'>"HT"</span>, <span class='st'>"OCC"</span>) <span class='co'>#would normally actually calculate this</span>
<span class='fu'>jprint</span>(<span class='st'>"missing columns: "</span>, <span class='no'>missing_cols</span>)</div><div class='output co'>#&gt; <span class='message'>missing columns: