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#1
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Lookup function when 'lookup_value' does not always exists
I am using the LOOKUP funtion for an array. Of my 300+ values I know that
about 20 'lookup_value'(s) don't exists in the array, but I don't want it to find the next closest value. How can I test my array to see if the 'lookup_value' exists? Thanks, Ken |
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#2
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Lookup function when 'lookup_value' does not always exists
One way:
A1 = lookup value B1:B10 is lookup array =IF(COUNTIF(B1:B10,A1),LOOKUP(......),"what do you want to happen if the LU value doesn't exist") -- Biff Microsoft Excel MVP "Ken King" wrote in message ... I am using the LOOKUP funtion for an array. Of my 300+ values I know that about 20 'lookup_value'(s) don't exists in the array, but I don't want it to find the next closest value. How can I test my array to see if the 'lookup_value' exists? Thanks, Ken |
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#3
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Lookup function when 'lookup_value' does not always exists
Consider using VLOOKUP...
if your values are in COL A and value to lookup is in B1 then use =VLOOKUP(B1,A:A,1,False) it will give you #N/A if the value is not found... you can test with ISNA() which will give you TRUE when value is not found. Values in Col A need not be sorted... VLOOKUP with last parameter as TRUE gives you the closes match (and values have to be sorted) "Ken King" wrote: I am using the LOOKUP funtion for an array. Of my 300+ values I know that about 20 'lookup_value'(s) don't exists in the array, but I don't want it to find the next closest value. How can I test my array to see if the 'lookup_value' exists? Thanks, Ken |
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