
Originally Posted by
was
The formula I tried does not give the correct count. I manualy counted the unique numbers for Jan. It was 29 the formula returned 24. Feb. was 33 the formula returned 28. They are both 5 off. Does anyone have an idea what is wrong.
SUM(IF(FREQUENCY(IF((LIST!B5:B318<>"")*(LIST!A5:A318>=DATE(2005,1,1))*(LIST!A5:A318<=DATE(2005,1,31)),LIST!B5:B318,""),IF((LIST!B5:B318<>"")*(LIST!A5:A318>=DATE(2005,1,1))*(LIST!A5:A318<=DATE(2005,1,31)),LIST!B5:B318,""))>0,1,0))
Also some of the number sequences in column B start with the letters EC. Non of them are counted either.
I sure would appreciate any help given.
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