Paper: Multilevel clustering and Multi clf

[x-tabdeveloping]

We have to describe how we did it, along with explanations of stratification if it's something we want.

[x-tabdeveloping]

@dokato Would you be interested in helping me out writing a bit about stratification for multilabel tasks?

[dokato]

Yes, totally, I'll help!

[KennethEnevoldsen]

I belive this is added - will close