r">
<code class="sourceCode R"><span><span class="va">NY8_sf_1_nb</span></span></code></pre></div>
<pre><code><span><span class="co">## Neighbour list object:</span></span>
<span><span class="co">## Number of regions: 281 </span></span>
<span><span class="co">## Number of nonzero links: 1632 </span></span>
<span><span class="co">## Percentage nonzero weights: 2.066843 </span></span>
<span><span class="co">## Average number of links: 5.807829</span></span></code></pre>
<p>spdep::poly2nb uses two heuristics, 