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st: "Wrong" result with encode / merge ?
I have a dataset with ids that look like: AT18679U (two strings followed by
5 numbers, optionally followed by another string)
Between the two datasets I would like to merge only the first 7 digits are
equal, therefore I generated
encode id7temp, gen(id7)
and merged the two datasets by id7. When I quality checked the results there
were several mismatches, which don't seem to happen if I use the string id
and not the encoded one. Why is that?
Thanks in advance
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