18  8.0   72     5   2</span>
<span class="co">#&gt; 3     149 12.6   74     5   3</span>
<span class="co">#&gt; 4     313 11.5   62     5   4</span>
<span class="co">#&gt; 5      NA 14.3   56     5   5</span>
<span class="co">#&gt; 6      NA 14.9   66     5   6</span></code></pre></div>
<p>To drop groups that meet a set missingness criterion, we proceed as follows.</p>
<div class="sourceCode" id="cb45"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span class="va">grouped_drop</span> <span 