mp) <span class="do">## add na.rm = TRUE in case it returns `NA`</span></span>
<span id="cb16-2"><a href="get-started.html#cb16-2" tabindex="-1"></a><span class="do">## [1] 0.125</span></span>
<span id="cb16-3"><a href="get-started.html#cb16-3" tabindex="-1"></a></span>
<span id="cb16-4"><a href="get-started.html#cb16-4" tabindex="-1"></a><span class="fu">range</span>(bikes<span class="sc">$</span>date)</span>
<span id="cb16-5"><a href="get-started.html#cb16-5" tabindex="-1"></a><span class="do">## [1] &quo