# Hyperloglog * Key advantages of sketches, merge-ability, to estimate if 2 large sets are the same with HyperLogLog sketches: https://agkn.wordpress.com/2012/12/17/hll-intersections-2/ * [Hyperloglog - to count distinct elements](https://www.youtube.com/watch?v=eV1haPUt0NU) --- Date: 20211004 Links to: [Algorithms and Data Structures](Algorithms%20and%20Data%20Structures.md) Tags: #todo References: * Notability, Computer science section