ss="co">#&gt;       column_name   student    degree</span></span>
<span><span class="co">#&gt; 1        act_comp   numeric      &lt;NA&gt;</span></span>
<span><span class="co">#&gt; 2        age_desc character      &lt;NA&gt;</span></span>
<span><span class="co">#&gt; 3            cip6      &lt;NA&gt; character</span></span>
<span><span class="co">#&gt; 4          degree      &lt;NA&gt; character</span></span>
<span><span class="co">#&gt; 5     high_school character      &lt;NA&gt;</span></span>
<span><span