columns of a
MIDFIELD data table after loading. Using this function is optional.</p>
<p><code><a href="../reference/select_required.html">select_required()</a></code> selects only those columns typically
required by other midfieldr functions. Operates on a data frame to
retain columns having names that match or partially match search terms.
Rows are unaffected.</p>
<p>The primary benefit is reducing screen clutter when viewing data
frames during an interactive session. The disadvantage is that the
deleted c