hi, folks: i got a question: i have a data set that needs to be flipped and then do some summation of the numeric value in the category var by the school id:

schlid season student a123 spr 2 a123 sum 2 a123 spr 2 a123 fal 3 a123 spr 1 b111 win 1 b111 win 2 b111 fal 4 ------------------

what i want is like this:

schlid spr sum fal win a123 5 2 3 . b111 . 2 4 3 ------------------------ how do i do this ? i appreciate your help !

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