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# Count, but no duplicates and under 2 conditions

Hi, I have an Excel file with 3 columns.

Colum A contains customer numbers. the customer numbers may appear several times.

Column B contains numbers from 1-9

Column C either contains YES or is empty

I want to Count the customers in Colum A - BUT W/O Duplicates, so every customer just once, no matter how often they appear), IF colum B > 5 and IF colum C contains a YES

I tried with Arrays, combining Formulars... cannot get there. I have attached an exampkle table where the result should be 2.

4 Replies
Best Response confirmed by Tina_Charbon (New Contributor)
Solution

# Re: Count, but no duplicates and under 2 conditions

How about this Array Formula which requires confirmation with Ctrl+Shift+Enter and not Enter only.

``=SUM(--(FREQUENCY(IF(B2:B8>=5,IF(C2:C8="YES",MATCH(A2:A8,A2:A8,0))),ROW(A2:A8)-ROW(A2)+1)>0))``

# Re: Count, but no duplicates and under 2 conditions

It works, thank you so much!!!!

# Re: Count, but no duplicates and under 2 conditions

As variant with dynamic arrays

list of such customers

``=UNIQUE(FILTER(B5:D11,(D5:D11="Yes")*(C5:C11>=5)))``

and number

``=ROWS(F5#)``

assuming same customer - same class.

# Re: Count, but no duplicates and under 2 conditions

You're welcome @Tina_Charbon!