an class="st">"patient_id"</span>,</span>
<span>    visit <span class="op">=</span> <span class="st">"visit"</span><span class="op">)</span></span>
<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-df-visit">df_visit<a class="anchor" aria-label="anchor" href="#arg-df-visit"></a></dt>
<dd><p>Data frame with columns: study_id, site_number, pat