e 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><span class="op">)</span>
<span class="co">#&gt;   variable missing complete percent_complete percent_missing</span>
<span class="co">#&gt; 1      Day       0      153        100.00000        0.000000</span>
<span class="co">#&gt; 2    Month       0      153        100.00000        0.000000</span>
<span class="co">#&gt; 3    Ozone      37      116       