_heatmap4</span><span class="op">(</span></span>
<span>  <span class="va">norm.dat</span>,</span>
<span>  <span class="va">cl</span>,</span>
<span>  <span class="va">markers</span>,</span>
<span>  prefix <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  hc <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  gene.hc <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  centered <span class="op">=</span> <span class="cn">FALSE</span>,</span>
<span>  lab