re></div>
<p>This changes the display of all columns. Read on to see how too
specify display options on a column-by-column basis.</p>
</div>
<div id="per-column-number-formatting" class="section level2">
<h2>Per-column number formatting</h2>
<p>The new <code>num()</code> constructor allows creating vectors that
behave like numbers but allow customizing their display. Below a few
examples are shown, see <code>?num</code> for a comprehensive overview.
Similarly, <code>char()</code> allows customizing the disp