rt_varname <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>   direction <span class="op">=</span> <span class="cn">NULL</span>, K <span class="op">=</span> <span class="fl">200</span>, seed <span class="op">=</span> <span class="fl">1</span>, sandwich <span class="op">=</span> <span class="cn">FALSE</span>, </span>
<span>   <span class="va">...</span><span class="op">)</span></span></code></pre></div>
    </div>

    <div id="arguments">
    <h2>Arguments</h2>


<dl><dt id="arg-object">