s="no">location</span>,<span class="no">date</span>) <span class="kw">%&gt;%</span> <span class="co">#we are going to group by location (which is the state) and date</span>
  <span class="fu"><a href="https://dplyr.tidyverse.org/reference/summarise_all.html">summarize_if</a></span>(<span class="no">is.numeric</span>, <span class="no">mean</span>) <span class="kw">%&gt;%</span> <span class="co">#we are going to take the mean mobility score across counties by date and state</span>
  <span class="fu"><a href="