el.
Default = FALSE.</p></dd>


<dt>n_cores</dt>
<dd><p>(numeric) number of cores to be used when <code>parallel</code> =
TRUE. The default, NULL, uses available cores - 1.</p></dd>

</dl></div>
    <div class="section level2">
    <h2 id="value">Value<a class="anchor" aria-label="anchor" href="#value"></a></h2>
    

<p>If files are in raster format, a data.frame of species geographic records
derived from values of presence in each layer.</p>


<p>If files are not in raster format, a data.frame of species'