uot;neigh_list&quot;</span>)</span>
<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a></span>
<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a>three_sp <span class="ot">&lt;-</span> <span class="fu">c</span>(<span class="st">&quot;BEMA&quot;</span>,<span class="st">&quot;LEMA&quot;</span>,<span class="st">&quot;SOAS&quot;</span>)</span>
<span id="cb1-5"><a href="#cb1-5" aria-hidden="true" tabindex="-1"></a>sp.pos <span class="ot">&lt;-</span> <span class="fu">which