Participation to Date Events
I have some events and I would like to create a link between users and these events, to tell if user x has participated or not to the event. How can I accomplish this? I'm using Date & Calendar modules, and I have added the users to the database. Have anyone implemented this with Drupal 7? What module is suitable for this? Flag? User Relationship?
I would also like to view some statistics for events, like how many users participated to every event.
Please help me with some advice. Thank you