span class="op">)</span> <span class="op">%&gt;%</span> <span class="fu"><a href="https://rdrr.io/r/base/droplevels.html">droplevels</a></span><span class="op">(</span><span class="op">)</span><span class="op">)</span><span class="op">)</span>


<span class="va">time_ds</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html">c</a></span><span class="op">(</span><span class="va">d_time1_extra_ord</span>, <span class="va">d_time2_extra_ord</span><span class="op">)</span>
