class="fl">2.5</span>,</span>
<span>  porosity <span class="op">=</span> <span class="fl">0.1</span>,</span>
<span>  tortuosity <span class="op">=</span> <span class="fl">0.1</span>,</span>
<span>  n_terms <span class="op">=</span> <span class="fl">30L</span>,</span>
<span>  role <span class="op">=</span> <span class="st">"predictor"</span>,</span>
<span>  <span class="va">...</span></span>
<span><span class="op">)</span></span></code></pre></div>
    </div>

    <div class="section level2">
    <h2 id="arg