 class="va">x</span><span class="op">)</span> <span class="op">{</span></span></span>
<span class="r-in"><span>  <span class="va">log_mu</span> <span class="op">&lt;-</span> <span class="va">pars</span><span class="op">[</span><span class="fl">1</span><span class="op">]</span> <span class="op">+</span> <span class="va">pars</span><span class="op">[</span><span class="fl">2</span><span class="op">]</span> <span class="op">*</span> <span class="va">x</span> <span class="op">+</span> <span class="va">pars</spa