ing_values</span>()</code> and
<code class="sourceCode r"><span class="fu">missing_range</span>()</code>:</p>
<div class="sourceCode" id="cb5"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="fu"><a href="../reference/missing_values.html">missing_values</a></span><span class="op">(</span><span class="va">x2</span><span class="op">)</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(