ode>weights</code>, <code>"variance"</code> (the default)
for invariance-variance weights (which is <code>NULL</code> for an unweighted fit) 
or <code>"robustness"</code> for robustness weights (available for M or MM estimation).</p></dd>


<dt>na.action</dt>
<dd><p><code>na</code> method to apply to predictor values for predictions; default is <code><a href="https://rdrr.io/r/stats/na.fail.html" class="external-link">na.pass</a></code>.</p></dd>


<dt>digits</dt>
<dd><p>For printing.</p></dd>


<dt>diagnos