Ah ok, I was wondering if there was some theory here that I wasn't aware of but if it's just experimentation no problem ;) good to know in any case! I find it

Ah ok, I was wondering if there was some theory here that I wasn't aware of but if it's just experimentation no problem ;) good to know in any case! I find it a bit difficult to find resources describing the properties of various options for this topic of discrete choices and clustering, apart from a few papers & blogs describing the idea.