class="r-out co"><span class="r-pr">#&gt;</span> [1] "circos.initialize"      "circos.trackPlotRegion" "circos.text"           </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [4] "circos.link"            "circos.clear"          </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> $countToFPKM</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [1] "colorRamp2"</span>
<span class="r-out co"><span class="r-pr">#&