BuddyPress.org

Hmm… I don’t know abut your second question regarding Google Analytics, but these 2 plugins are along the the lines of your first request. You’ll need to do some tweaking with them but the general gist is there:

https://buddypress.org/community/groups/buddypress-community-stats/

https://buddypress.org/community/groups/buddypress-member-profile-stats/