span><span class="op">(</span><span class="fu"><a href="reference/drop_row_if.html">drop_row_if</a></span><span class="op">(</span><span class="va">airquality</span>, type<span class="op">=</span><span class="st">"percent"</span>, value<span class="op">=</span><span class="fl">16</span>, sign<span class="op">=</span><span class="st">"gteq"</span>,
                 as_percent<span class="op">=</span><span class="cn">TRUE</span><span class="op">)</span><span class="op">)</span>
<span class="co">#&gt; Dropped 