lass="op">=</span> <span class="fu"><a href="prm_log_normal.html">prm_log_normal</a></span><span class="op">(</span><span class="st">"vp2"</span>, median <span class="op">=</span> <span class="fl">5</span>, var_log <span class="op">=</span> <span class="fl">0.1</span><span class="op">)</span>,</span>
<span>  prm_q1 <span class="op">=</span> <span class="fu"><a href="prm_log_normal.html">prm_log_normal</a></span><span class="op">(</span><span class="st">"q1"</span>, median <span class="op">=</span> <span cla