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
Differences between GA4 explorations and reports
In our post about GA4 thresholding and reporting identity, we noted there will be meaningful differences between reporting with BigQuery exported GA4 data compared to GA4 predefined reports & GA4 Explorations. Understanding those differences is important, but you also need