Count Num of unique items in col? by 3 criteria

[CindyC]

Ok. Thanks. Now, how do I count the number of unique items by 3 other
criteria
ie
number of cats
by location (column e)
by salesperson (column k)
by date (column c)

 

[Jacob Skaria]

Dear Dave

Assuming you have your data in Col A, B, C please try the below formula..

=SUMPRODUCT((A1:A100&B1:B100&C1:C100<>"")/COUNTIF(A1:C100,A1:C100&""))

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[T. Valko]

Can you post a small example and let us know what result you expect?

 

[Sheeloo]

Can you pl. explain how this works?
(I have also asked Gary's Student the same question in the previous post)

 

[Jacob Skaria]

Sheeloo

In the previous post Biff has explained in detail how it works with one
column. Please check and post back for any queries...

Thanks Biff..

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[Sheeloo]

Thanks... I saw the explanation and amazed at its similpicity.