his is unlikely to be useful to an end user and is called automatically by many of the other
functions here. On the off chance you need to copy history metadata from one dataframe to another</p>
    </div>

    <div class="section level2">
    <h2 id="ref-usage">Usage<a class="anchor" aria-label="anchor" href="#ref-usage"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">p_set</span><span class="op">(</span><span class="va">.data</span>, <span class="va">.graph</sp