Hi SAS communities, When I create new observations, some variables stay the same and some variables are changing (time or date). How can create new observations with these changing data? My data is like this: id day date drink age 1 1 20180907 1 24 1 2 . 0 24 1 3 20180909 3 24 2 1 20171211 2 30 2 2 . 0 30 2 3 . 0 30 How can I add the data into the missing data that I can infer from other cells? Data would look like this? id day date drink age 1 1 20180907 1 24 1 2 20180908 0 24 1 3 20180909 3 24 2 1 20171211 2 30 2 2 20171212 0 30 2 3 20171213 0 30
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