Hi all, I have a dataset wich looks like this; id quarter1 quarter2 quarter3 1 1 0 0 1 1 0 0 1 0 1 0 2 0 0 1 2 0 0 1 2 0 0 1 And I want to sum up each row based on the id so that output looks like this; id quarter1 quarter2 quarter3 1 2 1 0 2 0 0 3 Thank you!!
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