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Not applicable

DAX - Count by group

Hi All,

In my report, there is a Slicer of "Shop"

I am trying to write a DAX to count how many customers with these critirias:


1.) The customers's first transaction is from the Shop Slicer (Assuming "A") --> 2 cutomers 

2.) Later on, those customers have transaction in Shop B --> 1 customer

IDTransaction DateShop
1Jan 1 2022A
1Feb 1 2022B
1May 1 2022C
2Jan 1 2022A
2Feb 1 2022C
3Jan 1 2022B
3Feb 1 2022A


May I ask how it is possible to get the answer "1" by using DAX or calculated column?

Community Support
Community Support

Hi  @Anonymous ,

Here are the steps you can follow:

1. Create measure.

Measure =
var _select=SELECTEDVALUE('Table'[Shop])
'Table'[ID]<=2 && 'Table'[Shop]=_select),[Shop])

2. Result:





Best Regards,

Liu Yang

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly

Not applicable

@v-yangliu-msft thanks but sorry that I am not so clear.


I am hoping to count the customer who 

1.) first transaction in shop A (which is depended on the slicer)

2.) for those whose first transaction in shop A, how many of them later on, have transaction in shop B (Shop B is required)


Thanks in advance

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