nk">poly</a></span><span class="op">(</span><span class="va">exper</span>, degree <span class="op">=</span> <span class="fl">2</span><span class="op">)</span>, data <span class="op">=</span> <span class="va">CPS85</span> <span class="op">)</span></span></span>
<span class="r-in"><span>  <span class="fu">modelVars</span><span class="op">(</span><span class="va">model</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="op">}</span></span></span>
<span class="r-out co"><span cla