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#1
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Counting ISNAs?
I want to check how many of the entries in A1:A10, are not found to be
existing in another list, suppose B1:B20. Tried out: =SUMPRODUCT(--(ISNA(VLOOKUP(A1:A10,B1:B20,1,0)))) but failed. What might be the reason? and what might be its solution except then a helper column? -- Best Regards, Faraz |
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#2
Posted to microsoft.public.excel.misc
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Counting ISNAs?
Try the array formula
=SUM(IF(A1:A10<"",IF(ISNA(MATCH(A1:A10,B1:B20,0)) ,1,0))) If this post helps click Yes --------------- Jacob Skaria "Faraz A. Qureshi" wrote: I want to check how many of the entries in A1:A10, are not found to be existing in another list, suppose B1:B20. Tried out: =SUMPRODUCT(--(ISNA(VLOOKUP(A1:A10,B1:B20,1,0)))) but failed. What might be the reason? and what might be its solution except then a helper column? -- Best Regards, Faraz |
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#3
Posted to microsoft.public.excel.misc
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Counting ISNAs?
Thanx Jacob!
Nice 2 find u after such a longtime! Was on an official leave actually. Sure would oblige if u would also answer my question on the programming panel as "Counting Errors". Thanx in advance. -- Best Regards, Faraz "Jacob Skaria" wrote: Try the array formula =SUM(IF(A1:A10<"",IF(ISNA(MATCH(A1:A10,B1:B20,0)) ,1,0))) If this post helps click Yes --------------- Jacob Skaria "Faraz A. Qureshi" wrote: I want to check how many of the entries in A1:A10, are not found to be existing in another list, suppose B1:B20. Tried out: =SUMPRODUCT(--(ISNA(VLOOKUP(A1:A10,B1:B20,1,0)))) but failed. What might be the reason? and what might be its solution except then a helper column? -- Best Regards, Faraz |
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