it the <code>CLL</code> dataset into healthy and aggressive
stimulated and unstimulated dataset.</p>
<div class="sourceCode" id="cb2"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="va">hea_US</span><span class="op">&lt;-</span><span class="va">CLL</span><span class="op">[</span>,<span class="fu"><a href="https://rdrr.io/r/base/which.html" class="external-link">which</a></span><span class="op">(</span><span class="op">(</span><span class="fl">1</span><span class="op">:</span