.</p></dd>

<dt id="arg-na-action">na.action<a class="anchor" aria-label="anchor" href="#arg-na-action"></a></dt>
<dd><p>what to do with missing values in <code>data</code>.</p></dd>

<dt id="arg-zi-fixed-zi-random">zi_fixed, zi_random<a class="anchor" aria-label="anchor" href="#arg-zi-fixed-zi-random"></a></dt>
<dd><p>formulas for the fixed and random effects of the zero inflated
    part.</p></dd>

<dt id="arg-penalized">penalized<a class="anchor" aria-label="anchor" href="#arg-penalized"></a></dt>
<dd><p