><span class="co"># summary of the estimation process</span></span></span>
<span class="r-in"><span><span class="fu"><a href="summarytable.html">summarytable</a></span><span class="op">(</span><span class="va">m1</span>, <span class="va">m2a</span>, <span class="va">m2b</span>, <span class="va">m2c</span><span class="op">)</span></span></span>
<span class="r-err co"><span class="r-pr">#&gt;</span> <span class="error">Error:</span> object 'm2c' not found</span>
<span class="r-in"><span></span></span>
<span c