tributes to take
(chooses best k * 100% of attributes).</p></dd>

</dl></div>
    <div id="author">
    <h2>Author</h2>
    <p>Damian Skrzypiec <a href="mailto:damian.j.skrzypiec@gmail.com">damian.j.skrzypiec@gmail.com</a> and
Zygmunt Zawadzki <a href="mailto:zygmunt@zstat.pl">zygmunt@zstat.pl</a></p>
    </div>

    <div id="ref-examples">
    <h2>Examples</h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span></span></span>
<span class="r-in"><span><span class="va">x</sp