HEAD INJURY"</span>) <span class="op">%&gt;%</span><span class="st"> </span></a>
<a class="sourceLine" id="cb43-3" data-line-number="3"><span class="st">  </span><span class="kw"><a href="../reference/thicken.html">thicken</a></span>(<span class="st">"6 hour"</span>, <span class="st">"hour6"</span>) <span class="op">%&gt;%</span><span class="st"> </span></a>
<a class="sourceLine" id="cb43-4" data-line-number="4"><span class="st">  </span><span class="kw"><a href="https://dplyr.tidyverse.org/reference/tally.