va">params</span><span class="op">$</span><span class="va">covariate_col_names</span><span class="op">]</span>,</span></span>
<span class="r-in"><span>                                         counter <span class="op">=</span> <span class="va">pseudo_pop</span><span class="op">$</span><span class="va">.data</span><span class="op">[</span>,</span></span>
<span class="r-in"><span>                                                     <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">