lass="dv">450</span>))</a>
<a class="sourceLine" id="cb13-5" data-line-number="5"></a>
<a class="sourceLine" id="cb13-6" data-line-number="6">x2 &lt;-<span class="st"> </span><span class="kw">tibble</span>(<span class="dt">id =</span> <span class="dv">1</span><span class="op">:</span><span class="dv">4</span>,</a>
<a class="sourceLine" id="cb13-7" data-line-number="7">             <span class="dt">chr =</span> <span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/c">c</a></span>(<spa