This post explores Google Analytics 4 (GA4) and its relationship with HyperLogLog (HLL++), a probabilistic data structure used for counting unique users and sessions. I watch way too much Seinfeld. In one episode (“The Strike“), Jerry & George quote a
GA4 thresholding and reporting identity
Two of the most impactful features of GA4 are data thresholds (thresholding), and reporting identity. You must understand how these features impact GA4 predefined reports, and GA4 Explorations, to interpret report data correctly. GA4 thresholding GA4 thresholding is a feature