span class="va">surf_data</span>, <span class="va">FWHM</span>, VWR_check <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span></code></pre></div>
    </div>

    <div class="section level2">
    <h2 id="arguments">Arguments<a class="anchor" aria-label="anchor" href="#arguments"></a></h2>


<dl><dt id="arg-surf-data">surf_data<a class="anchor" aria-label="anchor" href="#arg-surf-data"></a></dt>
<dd><p>A N x V matrix object containing the surface data (N row for each subject,