p">=</span><span class="op">~</span><span class="va">spp</span> <span class="op">+</span> <span class="va">mined</span>,</span></span>
<span class="r-in"><span>  family<span class="op">=</span><span class="va">truncated_poisson</span>, data<span class="op">=</span><span class="va">Salamanders</span><span class="op">)</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Formula:          count ~ spp + mined + (1 | site)</span>
<span class="r-out co"><span class