 sudden gain.</p>
    </div>

    <div class="section level2">
    <h2 id="ref-usage">Usage<a class="anchor" aria-label="anchor" href="#ref-usage"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">extract_values</span><span class="op">(</span></span>
<span>  <span class="va">data</span>,</span>
<span>  <span class="va">id_var_name</span>,</span>
<span>  <span class="va">extract_var_list</span>,</span>
<span>  sg_session_n_var_name <span class="op">=</span> <span cl