ast_lifecycle_warnings()` to see where this warning was</span></span></span>
<span><span class="co">## <span style="color: #555555;">generated.</span></span></span></code></pre>
<div class="sourceCode" id="cb11"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="co"># Return model summary</span></span>
<span><span class="fu"><a href="https://rdrr.io/r/base/summary.html" class="external-link">summary</a></span><span class="op">(</span><span class="va">fits</span><span class="op"