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{"variable_name":"cd_ren_i","decription":"individual_income_code","categories":"1_-_no_income\n2_-_did_not_inform\n3_-_has_income","class":"factor"}
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{"variable_name":"fe_via","decription":"trip_expansion_factor","categories":"","class":"numeric"}
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{"variable_name":"munidest","decription":"destination_municipality","categories":"","class":"factor"}
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