in or converted <code>character</code> type with a structure of YYYY-MM-DD:</p>
<div class="sourceCode" id="cb14"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb14-1"><a href="get-started.html#cb14-1" tabindex="-1"></a><span class="fu">class</span>(bikes<span class="sc">$</span>date)</span>
<span id="cb14-2"><a href="get-started.html#cb14-2" tabindex="-1"></a><span class="do">## [1] &quot;Date&quot;</span></span>
<span id="cb14-3"><a href="get-started.html#cb14-3" tabindex="-1"></a></span>