="cb12"><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>, regex_kind <span class="op">=</span> <span class="st">"exclusion"</span>,pattern_type <span class="op">=</span> <span class="st">"regex"</span>, pattern <span class="op">=</span> <span class="st">"^[O|S]"</span><span class="op">)</span>
<span class="co">#&gt;   variable missing complete percent_complete pe