 class="n">df</span><span class="p">,</span> <span class="n">axis</span><span class="o">=</span><span class="s1">&#39;Column&#39;</span><span class="p">):</span>
  <span class="sd">r&quot;&quot;&quot;Get a plot of the variance of each array on axis.</span>

<span class="sd">  Parameters</span>
<span class="sd">  ----------</span>
<span class="sd">  df : a pandas data frame</span>
<span class="sd">    Must indicies and column data set to the timestampls and eeg channel names.</span>
<span class="sd">  axis :