lass="fu"><a href="../reference/graphneigh.html">graph2nb</a></span><span class="op">(</span><span class="fu"><a href="../reference/graphneigh.html">gabrielneigh</a></span><span class="op">(</span><span class="va">NY8_ct_sf</span><span class="op">)</span><span class="op">)</span></span>
<span><span class="va">NY87_nb</span> <span class="op">&lt;-</span> <span class="fu"><a href="../reference/graphneigh.html">graph2nb</a></span><span class="op">(</span><span class="fu"><a href="../reference/graphneigh.html">