Here is a example how to select 2 Offers for last 30 days and display only events.
On this video you start on the home page, click on Reports/Offer promotion, choose Offers ''Datingkreis DE – RevShare'' and ''Flirtkreis AT – RevShare'' choose a period ''Last 30 days'', choose a dimensions add ''Event'' and delete Offer by clicking on the cross, and below you can see all results.