utm +zone=18 +datum=NAD27"</span><span class="op">)</span></span>
<span><span class="fu"><a href="https://r-spatial.github.io/sf/reference/st_write.html" class="external-link">st_write</a></span><span class="op">(</span><span class="va">sf_bna2_utm18</span>, <span class="st">"NY8_bna_utm18.gpkg"</span><span class="op">)</span></span></code></pre></div>
</div>
<div class="section level3">
<h3 id="nb-and-listw-objects-copied-from-the-nb_igraph-vignette">nb and listw objects (copied from the nb_igraph vignette