Implement EDLogo in ggseqlogo?

[ewallace]

Hi,
I've started using ggseqlogo for these plots and it's great.

There's now EDLogo, an alternative means of plotting sequence logos to highlight depletion as well:
A new sequence logo plot to highlight enrichment and depletion
Kushal K Dey, Dongyue Xie, Matthew Stephens
doi: https://doi.org/10.1101/226597
https://www.biorxiv.org/content/early/2017/11/29/226597

Is it possible to implement the EDLogo algorithm detailed there:
https://kkdey.github.io/Logolas-pages/FirstLook.html
in ggseqlogo?

Thanks
Edward