Visit Demo-portals where HarePoint Analytics for SharePoint is implemented to view live-reports:
Those portals are a web-sites based on SharePoint technology where HarePoint Analytics for Sharepoint is fully implemented. It means that visitors can get access to the product and review SharePoint statistics reports and features.
You could try to create and view all reports, use filters, grouping and sorting and other possibilities.
The portal is intended to show you how HarePoint Analytics for SharePoint looks and how it works.