i have 2 data-sets that common variables to merge are state, index_state and year. but in merging i faced an error: variables index_state state year do not uniquely identify observations in the master data.
do you have any soloution?
merge
hi. please help me
i have 2 data-sets that common variables to merge are state, index_state and year. but in merging i faced an error: variables index_state state year do not uniquely identify observations in the master data.
do you have any soloution?
i have 2 data-sets that common variables to merge are state, index_state and year. but in merging i faced an error: variables index_state state year do not uniquely identify observations in the master data.
do you have any soloution?
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