我试图计算表格上出现的重复数量,例如:
First| Last | ADDR1 | City | ST | Zip -----+-------+-----------------+-----------+----+------ John | Smith | 1234 Fake St. | Hollywood | CA | 12345 John | Smith | 1234 Fake St. | Hollywood | CA | 12345 John | Smith | 1234 Fake St. | Hollywood | CA | 12345 John | Smith | 1234 Fake St. | Hollywood | CA | 12345 Jane | Smith | 1111 Junkertown | Phoenix | AR | 22222 Jane | Smith | …