方法1 =SUMPRODUCT(1/COUNTIF(OFFSET(按户!I2,,,D3),OFFSET(按户!I2,,,D3)))
方法2 =SUMPRODUCT(1/COUNTIF(INDIRECT("按户!I2:I"&D3+1),INDIRECT("按户!I2:I"&D3+1)))
方法3 =SUMPRODUCT(N(MATCH(OFFSET(按户!I2,,,D3),OFFSET(按户!I2,,,D3),)=ROW(INDIRECT("1:"&D3))))
方法4 =COUNT(0/FREQUENCY(MATCH(OFFSET(按户!I2,,,D3),OFFSET(按户!I2,,,D3),),ROW(INDIRECT("1:"&D3))))
方法5 =COUNT(0/FREQUENCY(COUNTIF(OFFSET(按户!I2,,,D3),OFFSET(按户!I2,,,D3)),ROW(INDIRECT("1:"&D3))))
方法6 =COUNT(0/(MATCH(OFFSET(按户!I2,,,D3),OFFSET(按户!I2,,,D3),)=ROW(INDIRECT("1:"&D3))))
方法7 =SUM(1/MMULT(N(EXACT(OFFSET(按户!I2,,,D3),TRANSPOSE(OFFSET(按户!I2,,,D3)))),ROW(INDIRECT("1:"&D3))^0))
方法2 =SUMPRODUCT(1/COUNTIF(INDIRECT("按户!I2:I"&D3+1),INDIRECT("按户!I2:I"&D3+1)))
方法3 =SUMPRODUCT(N(MATCH(OFFSET(按户!I2,,,D3),OFFSET(按户!I2,,,D3),)=ROW(INDIRECT("1:"&D3))))
方法4 =COUNT(0/FREQUENCY(MATCH(OFFSET(按户!I2,,,D3),OFFSET(按户!I2,,,D3),),ROW(INDIRECT("1:"&D3))))
方法5 =COUNT(0/FREQUENCY(COUNTIF(OFFSET(按户!I2,,,D3),OFFSET(按户!I2,,,D3)),ROW(INDIRECT("1:"&D3))))
方法6 =COUNT(0/(MATCH(OFFSET(按户!I2,,,D3),OFFSET(按户!I2,,,D3),)=ROW(INDIRECT("1:"&D3))))
方法7 =SUM(1/MMULT(N(EXACT(OFFSET(按户!I2,,,D3),TRANSPOSE(OFFSET(按户!I2,,,D3)))),ROW(INDIRECT("1:"&D3))^0))
