anchor" href="#arg-weights"></a></dt>
<dd><p>a character vector of names of weight variables found in the data frame starts with units (level 1) and increasing (larger groups).</p></dd>


<dt id="arg-cweights">cWeights<a class="anchor" aria-label="anchor" href="#arg-cweights"></a></dt>
<dd><p>logical, set to <code>TRUE</code> to use conditional weights. Otherwise, <code>mix</code> expects unconditional weights.</p></dd>


<dt id="arg-center-group">center_group<a class="anchor" aria-label="anchor" href="#arg