="op">)</span></span></code></pre></div>
<p>The <code>surveyID</code> argument is the variable in the data
distinguishing the different samples (<code>YEAR</code> in the previous
example).</p>
<p>To view the analysis results for <code>NITR_COND</code> (the
categorical variable), run</p>
<div class="sourceCode" id="cb22"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="va">change_ests</span><span class="op">$</span><span class="va">catsum</span></span>
<span><span class="co">#