="va">d</span><span class="op">)</span>, ncol <span class="op">=</span> <span class="va">d</span><span class="op">)</span> <span class="co"># i.i.d. N(0,1) data</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co">## Extract the occupancy matrix from a zenplot</span></span></span>
<span class="r-in"><span><span class="va">res</span> <span class="op">&lt;-</span> <span class="fu"><a href="zenplot.html">zenplot</a></span><span class="op">(</span><span class="v