I guess I'm not math-y enough so that I intuitively understand the simple math formula.
On the other hand, I like his window image : e.g. I understand better how, the further you get from 0, the more your precision goes down, because "bigger windows, divided in the same number of buckets".
On the other hand, I like his window image : e.g. I understand better how, the further you get from 0, the more your precision goes down, because "bigger windows, divided in the same number of buckets".