on curves 
  can not be generated.</p>
    </div>

    <div id="ref-examples">
    <h2>Examples</h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span> <span class="va">perf</span> <span class="op">&lt;-</span> <span class="fu">pool_performance</span><span class="op">(</span>data<span class="op">=</span><span class="va">lbpmilr</span>, nimp<span class="op">=</span><span class="fl">5</span>, impvar<span class="op">=</span><span class="st">"Impnr"</span>, </span></span