class="va">affy_hg_u133_plus_2</span> <span class="op"><a href="https://rdrr.io/r/base/match.html" class="external-link">%in%</a></span> <span class="va">selection</span><span class="op">@</span><span class="va">name</span>,<span class="op">]</span></span>
<span><span class="va">tfs</span><span class="op">&lt;-</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="va">infos_selection</span><span class="op">[</span>,<spa