ass="dv">496</span></span>
<span id="cb7-16"><a href="#cb7-16" aria-hidden="true"></a><span class="dv">584</span><span class="op">:</span><span class="st">               </span>srotterdam              Rotterdam   <span class="dv">496</span></span></code></pre></div>
<p>With <code>deduplicate_equivalence</code> we take all selected pairs (indicated by the column <code>select</code>) and put them in the same group.<br />
<code>res</code> now contains the original dataset with a <code>group</code> column added