lass="sd">   Must indicies and column data set to the timestampls and eeg channel names.</span>

<span class="sd">  Returns</span>
<span class="sd">  -------</span>
<span class="sd">  html</span>
<span class="sd">   HTML code for the plot.</span>

<span class="sd">  &quot;&quot;&quot;</span>
  <span class="n">cols</span> <span class="o">=</span> <span class="n">df</span><span class="o">.</span><span class="n">columns</span>
  <span class="n">df</span> <span class="o">=</span> <span class="n">df</span><span 