he base factors store the categories using numeric values, which is
also the most often scenario for the declared objects. But this is not
at all mandatory, as the declared objects are also able to ingest
character vectors:</p>
<div class="sourceCode" id="cb21"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="va">x6</span> <span class="op">&lt;-</span> <span class="fu"><a href="../reference/declared.html">declared</a></span><span class="op">(</span></span>
<span>  x <span cla