e used.</p>
    </div>
    <div id="column-types">
    <h2>Column types</h2>
    


<p>Column types are basically the column classes (numeric, factor etc.) plus a few specialized
types (such as p-value) which are displayed slightly differently. For
example, an identifier will usually be shown in bold, and significant
p-values will be red (details depend on the given theme and style; see
<code><a href="col_type.html">col_type()</a></code> and <code><a href="df_style.html">df_style()</a></code> for more infor