s="op">=</span> <span class="st">"data.frame"</span><span class="op">)</span>
<span class="co"># Drop all columns for groups that meet a percent missingness of greater than or</span>
<span class="co"># equal to 67</span>
<span class="fu"><a href="reference/drop_na_if.html">drop_na_if</a></span><span class="op">(</span><span class="va">grouped_drop</span>,percent_na <span class="op">=</span> <span class="fl">67</span>,sign<span class="op">=</span><span class="st">"gteq"</span>,
                              