<h2 id="details">Details<a class="anchor" aria-label="anchor" href="#details"></a></h2>
    <p>Refit a model, possibly after modifying the response vector.  This
  could be done using <code><a href="https://rdrr.io/r/stats/update.html" class="external-link">update</a>()</code>, but the <code>refit()</code>
  approach should be faster because it bypasses the creation of the
  model representation and goes directly to the optimization step.</p>
<p>Setting <code>rename.response = TRUE</code> may be necessary i