Activity data can be any number of things, from clinic appointments to population sizes. Accurately recorded data produces the best results but the activity input for WRaPT depends very much upon the questions that you want WRaPT to help you to answer. Selecting an activity that reflects the work done by a team or group of teams, can be as simple or complex as you choose, there are many ways to view this. The WRaPT team can work through this with you to identify a measure that you feel is indicative.