reference/ga_model.html">ga_model</a></span><span class="op">(</span><span class="fl">81416156</span>, <span class="va">ci_model</span>, event_date <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/as.Date.html" class="external-link">as.Date</a></span><span class="op">(</span><span class="st">"2019-01-01"</span><span class="op">)</span><span class="op">)</span></span>
<span></span>
<span><span class="co"># print to show the plot object</span></span>
<span><span class="va">ci</span><