code-with-copy"><code class="sourceCode r"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a>dataC <span class="sc">|&gt;</span> <span class="fu">model_train</span>(Y <span class="sc">~</span> X <span class="sc">+</span> C) <span class="sc">|&gt;</span> </span>
<span id="cb6-2"><a href="#cb6-2" aria-hidden="true" tabindex="-1"></a>  <span class="fu">conf_interval</span>() <span class="sc">|&gt;</span></span>
<span id="cb6-3"><a href="#cb6-3" aria-hidden="true" tabindex="-1"></a>  <span 