I have a dataset that looks like this (except for the last variable) and am wanting to create that last variable. Essentially, the NUMBER variable is nested in ID, and one person (ID) can have multiple NUMBERs that can last up to 2000 observations, and all I want to do is create a variable that says which order NUMBER it is for a specific ID, for the entire dataset. Here is what the dataset looks like: ID NUMBER VARABLE_DESIRED 1 100 1 1 100 1 1 100 1 1 101 2 1 102 2 1 103 3 2 104 1 2 104 1 2 105 2 2 106 3 2 106 3 3 119 1 3 121 2 4 125 1 4 125 1 Thank you!
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