Analysis sets

Here we will generate a Per Protocol analysis set in the Acupuncture dataset. We want it to comprise patients who:

do not withdraw from the study, AND either
- are assigned to acupuncture and complete the treatment OR
- are assigned to control and correctly do not receive acupuncture.

Note, here the Acupuncture dataset has been loaded and attached for coding ease.

In the Acupuncture dataset, tabulate the variables withdrawal.reason.
Tabulate completedacupuncturetreatment by treatment.group.
Use these variables to generate a per protocol flag that includes patients with missing withdrawal.reason and either completedacupuncturetreatment equal to 1 where assigned to Acupuncture, or completedacupuncturetreatment is missing where assigned to "Control".
Tabulate the number created per protocol flag.