GiacomoSaccaggi / CardinalityKit Star 1 Code Issues Pull requests A comprehensive Python toolkit for cardinality estimation algorithms (Flajolet-Martin, LogLog, SuperLogLog, HyperLogLog, HyperReal) — enabling privacy-preserving analytics, audience measurement, and sample-to-population extrapolation through probabilistic counting techniques. python hyperloglog cardinality-estimation streaming-algorithms probabilistic-data-structures privacy-preserving audience-measurement sketch-algorithms distinct-counting Updated Jul 8, 2026 Python