Group By clauses allow you to break down queries even further by creating groups within reports.
Given a defined
Sign Up event, for instance, you can determine how initial referrers impact registrations with the query below:
Aggregations can even be included in filters and group by statements for advanced segmentation. To understand the different levels of engagement within your site, you can define the following query, which filters out users with a single session, and then provide a distribution of how often your userbase engages with your site: