olumns are unavailable unless you first set aside a copy of the
source file or reload it using <code><a href="https://rdrr.io/r/utils/data.html" class="external-link">data()</a></code> when you need it.</p>
<p><em>Arguments.</em></p>
<ul>
<li><p><strong><code>midfield_x</code></strong>   MIDFIELD data frame,
typically <code>student</code>, <code>term</code>, or
<code>degree</code>.</p></li>
<li><p><strong><code>select_add</code></strong>   Optional character
vector of search terms to add to the default ve