In order to plot this data
for subplots a-d
1) open jupyter-notebook
2) paste in EDF_8a-d.ipynb 
3) replace the string 'phbands' with the desired gnuplot data format file to plot
4) adjust the vertical margin

for subplots e-f
1) open jupyter-notebook
2) paste in EDF_8e-f.ipynb 
3) replace the string 'phbands' with the desired gnuplot data format file to plot
4) adjust the vertical margin

The tutorial on how to make this plot comes from
https://pranabdas.github.io/espresso/hands-on/bands
