Oddbean new post about login | logout You wouldn't even bother. Random sample a smaller set and average for a quick answer that's good enough for the accuracy you want at the moment. If you want to know more exactly, take a larger data set and sample that based on how much time and resources you have. No?
not sure what you mean, usually you don’t want to make nostr queries probabilistic.
Why not. That’s all they will ever be anyway. Everything is an estimate except all the information itself, which you can never have all in one place simultaneously in this case anyway, due to the decentralization that is growing rapidly. Think on it or what just my 2 sats.