Hi,
I have 2 sheets. Below is the scenario.
In sheet1, I have a set of columns having the User IDs.
In sheet2, I have the User Ids and number of account IDs. Acoount Ids can be duplicated for the user IDs
In sheet1, I have to calculate the unique number of acoount Ids for each users.
Please refer attached Excel sheet for sample data
Please advise
Thanks.
I am not sure exactly what you are looking for. Suggest you post the expected results so that we are clear on your needs as you did not explain clearly what you wanted for results.
Alan עַם יִשְׂרָאֵל חַי
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the duplication in column B (account ID)
is indeed troublesome---
I think the OP is looking for a unique count of Account IDs per User ID, so expected results(?) 47, 48, 6 and 36 in B2:B5 on Sheet1.
Simple with a helper column (see attached), not quite so simple without it and without any real idea of how big the real data for this is then it's impossible to know whether the helper column or an array formula (the likely non helper solution) would really be suitable.
BSB
b2=SUM((FREQUENCY(IF(Sheet2!$A$2:$A$154=$A2,MATCH(Sheet2!$B$2:$B$154,Sheet2!$B$2:$B$154,0)),ROW(Sheet2!$B$1:$B$154))>0)+0)
try this array formula and copy towards down
...confirmed by pressing CTRL+SHIFT+ENTER to activate the array, not just ENTER. You will know the array is active when you see curly braces { } appear around your formula. If you do not CTRL+SHIFT+ENTER you will get an error or a clearly incorrect answer.
Samba
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Please see the attached sample with the expected outcome in sheet1.
I need formula's in sheet1 column B.
I would use the Advanced filter function on the ribbon on the sort and filter tab and have the unique items posted to a helper column. Then using that helper column, employ the =countif function in Sheet1 Column B to find the number.
Thanks
But I cant have the duplicates removed and then counted.
This is a real time file and the formula should be dynamic.
Perhaps using Samba's array formula from post #5 but replacing the range references with dynamic named ranges would work?
In the formula below I've done that with two named ranges called 'AccountOwner' and 'AccountID'.
Formula:
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The named ranges are created using a formula such as the one below:
Formula:Please Login or Register to view this content.
Open the attached and press Ctrl+F3 to open the Named Range Manager to see them both.
BSB
If you need the list on Sheet1 to be dynamic too then you'll be needing a formula for that.
Plenty of example on how to that. Just search for "Unique list from range".
BSB
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