 not specified then batch geocoding will be used if available (given method selected) when multiple addresses are provided; otherwise single address geocoding will be used. For the "here" and "bing" methods the batch mode should be explicitly specified with <code>mode = 'batch'</code>.</p></dd>


<dt id="arg-unique-only">unique_only<a class="anchor" aria-label="anchor" href="#arg-unique-only"></a></dt>
<dd><p>only return results for unique inputs if TRUE</p></dd>


<dt id="arg-return-addresses">return_addre