Hi StataList,

I'm attempting to collapse two variables, "from_gstin" and "to_gstin", into a form where there is not multiple occurrences of the same two observations. For example, observations 1-3 have the same "from_gstin" and "to_gstin" three times in a row, I'd like this to just show once. Is there a best way to collapse this data down?

Many thanks,
TjspenceArray