pan> <span class="va">pars</span><span class="op">[</span><span class="va">pars</span><span class="op">$</span><span class="va">ID</span> <span class="op">==</span> <span class="st">"S2"</span>, <span class="op">]</span>,</span></span>
<span class="r-in"><span>  varnames <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/list.html" class="external-link">list</a></span><span class="op">(</span></span></span>
<span class="r-in"><span>    Par <span class="op">=</span> <span class="st">"