ALSE</span><span class="op">)</span> <span class="op">{</span></span></span>
<span class="r-in"><span><span class="co">## Fit negative binomial model with "constant" Zero Inflation :</span></span></span>
<span class="r-in"><span><span class="va">owls_nb1</span> <span class="op">&lt;-</span> <span class="fu"><a href="glmmTMB.html">glmmTMB</a></span><span class="op">(</span><span class="va">SiblingNegotiation</span> <span class="op">~</span> <span class="va">FoodTreatment</span><span class="op">*</span><span 