gmsDF.</span>
<span class="sd">    Finds maximum persistence over all diagrams in</span>
<span class="sd">    column with label dgm_col.</span>
<span class="sd">    It gets maximum persistence for a pandas.Series with diagrams as entries.</span>

<span class="sd">    :param DgmSeries:</span>
<span class="sd">        A pandas.Series with entries Kx2 numpy arrays representing persistence diagrams.</span>

<span class="sd">    :returns: </span>
<span class="sd">        (float) Maximum persistence over all diag