<span class='no'>.</span>)

<span class='no'>grid_centroids</span> <span class='kw'>=</span> <span class='fu'><a href='http://www.rdocumentation.org/packages/sf/topics/geos_unary'>st_centroid</a></span>(<span class='no'>my_grid</span>) <span class='kw'>%&gt;%</span>
  <span class='fu'><a href='http://www.rdocumentation.org/packages/sf/topics/st_coordinates'>st_coordinates</a></span>(<span class='no'>grid_centroids</span>) <span class='kw'>%&gt;%</span>
  <span class='fu'>as_data_frame</span>() <span class='