url:: https://en.wikipedia.org/wiki/HyperLogLog rel:: [[probabilistic]] [[counting]] ## Overview (from [wikipedia](https://en.wikipedia.org/wiki/HyperLogLog)) > HyperLogLog is an algorithm for the count-distinct problem, approximating the number of distinct elements in a multiset. ## Implementations ### [[golang]] [[Datadog]] https://github.com/DataDog/hyperloglog