Hello Fellow SAS users: The survival node allows us to specify data in: Standard, Change-Time and Fully Expanded format respectively. I am looking for examples (data step preferably or macro ) on how to create a "Fully Expanded" data set using _T_, ID, TIME-ID variables etc... An example of such data set is the churn_fullyexpanded_monthly (below) in the SAMPSIO sample library. If you have a piece of code you can share, I would truly appreciate it. I thank you in advance.
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