">#&gt; 6     Wind       0      153        100.00000        0.000000</span></code></pre></div>
<p>To sort by <code>percent_missing</code> instead:</p>
<div class="sourceCode" id="cb8"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span class="fu"><a href="reference/na_summary.html">na_summary</a></span><span class="op">(</span><span class="va">airquality</span>, sort_by <span class="op">=</span> <span class="st">"percent_missing"</span><span class="op">)</span>
<span class="co">#&gt;   varia