s are grouped</p></dd>


<dt>na_keys</dt>
<dd><p>What to do if keys contain missing values</p></dd>

</dl></div>
    <div class="section level2">
    <h2 id="value">Value<a class="anchor" aria-label="anchor" href="#value"></a></h2>
    

<p>A character vector of class <code>"powerjoin_check"</code></p>


    </div>

    <div class="section level2">
    <h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-examples"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><cod