(which GEO knows about) is contained inside the <code>pData</code> slot; there is usually a lot of unnecessary stuff here:</p>
<pre class="r"><code>names(pData(eData))</code></pre>
<pre><code>##  [1] &quot;title&quot;                   &quot;geo_accession&quot;          
##  [3] &quot;status&quot;                  &quot;submission_date&quot;        
##  [5] &quot;last_update_date&quot;        &quot;type&quot;                   
##  [7] &quot;channel_count&quot;           &quot;source_name_ch1&quot;        
