dure to assess the performance
of the non-augmented estimator:</p>
<div class="sourceCode" id="cb9"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb9-1"><a href="#cb9-1" aria-hidden="true" tabindex="-1"></a>valmod <span class="ot">&lt;-</span> <span class="fu">validate.subgroup</span>(subgrp.model, <span class="at">B =</span> <span class="dv">3</span>,</span>
<span id="cb9-2"><a href="#cb9-2" aria-hidden="true" tabindex="-1"></a>                            <span class="at">method =</span> <