Hi everyone, I'm quite new with SAS, and I wonder if you can please help me. I'm trying to calculate time in days between the visits to the hospital of each client. That is, the idea is to know how many days pass between the client ends treatment and begins with a new treatment. In my example, what I need, is the variable "Time between episodes (days)" Client Visits Start Date End Date Time between episodes (days) 1 1 1/11/2019 3/11/2019 - 1 2 5/11/2019 11/11/2019 2 1 2 5/11/2019 11/11/2019 2 2 1 3/11/2019 3/11/2019 - 3 1 5/11/2019 7/11/2019 - 3 1 5/11/2019 7/11/2019 - 3 1 5/11/2019 7/11/2019 - 3 2 10/11/2019 15/11/2019 3 3 2 10/11/2019 15/11/2019 3
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