 class="external-link">family</a></code> for a generic discussion of families or <code><a href="nbinom2.html">family_glmmTMB</a></code> for details of <code>glmmTMB</code>-specific families.</p></dd>


<dt>ziformula</dt>
<dd><p>a <em>one-sided</em> (i.e., no response variable) formula for zero-inflation combining fixed and random effects: the default <code>~0</code> specifies no zero-inflation. Specifying <code>~.</code> sets the zero-inflation formula identical to the right-hand side of <code>formula</code