Sampling Problems in Google Analytics

“Don’t cross the streams…It would be bad” – Ghostbusters, 1984 It looks like some Google Analytics properties are suffering from severe sampling issues. In one extreme example, reports show data from only 1 out of 3 (yes, THREE) sessions!  The trigger: mixing hit-level and session-level dimensions with hit-level metrics, like Page + Country with Pageviews, […]