span>
<span class="r-in"><span>  <span class="va">X</span></span></span>
<span class="r-in"><span>  <span class="fu">rankMatrix_</span><span class="op">(</span><span class="va">X</span><span class="op">)</span></span></span>
<span class="r-in"><span>  <span class="fu"><a href="colspan.html">colspan</a></span><span class="op">(</span><span class="va">X</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="op">}</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;