Q</span>, c.init<span class="op">=</span><span class="va">c.init</span>, d.init<span class="op">=</span><span class="va">d.init</span> <span class="op">)</span></span>
<span><span class="fu"><a href="https://rdrr.io/r/base/summary.html" class="external-link">summary</a></span><span class="op">(</span><span class="va">mod3</span><span class="op">)</span></span>
<span></span>
<span><span class="co">#***</span></span>
<span><span class="co"># Model 4: some estimated c and d parameters (in parameter groups)</sp