 7508 11965 19412 51870</span></span>
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<span id="cb16-11"><a href="get-started.html#cb16-11" tabindex="-1"></a><span class="fu">unique</span>(bikes<span class="sc">$</span>day_night)</span>
<span id="cb16-12"><a href="get-started.html#cb16-12" tabindex="-1"></a><span class="do">## [1] &quot;day&quot;   &quot;night&quot;</span></span>
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