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Frequent Visitor

## Use count with look up and an if argument

Hi All,

I have two tables which are related by CurveId. I want to calculate how many of the rows whose Score in Table 1 fall in between "From and To" in Table 2 and put the total count against each row under the TotalCount column.

As in the example below, there are 2 rows in Table 1 whose scores fall in between 4% and 10% in CurveId 1 in Table 2, and there are 3 rows in Table 1 whose scores fall in between 10% and 20% in CurveId 1 Table 2.

 Table 1 TransactionId CurveId Score TotalCount 1000 1 2.00% 1 1000 1 7.00% 2 1000 1 8.00% 2 1000 1 15.00% 3 1000 1 16.00% 3 1000 1 20.00% 3

 Table 2 CurveId From To 1 0% 4% 1 4% 10% 1 10% 20% 2 0% 8% 2 8% 15% 2 15% 20% 2 20% 25%

I have tried the expression below but it just returns 1 against each row.

CALCULATE(
COUNT(Table1[TransactionId]),
FILTER(Table2, Table1[Score]>=Table2[From]&&Table1[Score]<=Table2[To])
)

Any help will be greatly appreciated.
Thank you.

1 ACCEPTED SOLUTION
Community Support

You could try this measure.

Count =
CALCULATE (
COUNT ( 'Table'[CurveId] ),
FILTER (
'Table',
[Score] <= MAX ( 'Table (2)'[To] )
&& [Score] > MAX ( 'Table (2)'[From] )
&& [CurveId] = MAX ( 'Table (2)'[CurveId] )
)
)

You can check more details from here.

Best Regards,

Stephen Tao

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

4 REPLIES 4
Community Support

Hi @theblueslover ,

Could you tell me if your problem has been solved?
If it is, kindly Accept it as the solution. More people will benefit from it.

Best Regards,
Stephen Tao

Frequent Visitor

Hi Stephen,

Thank you so much for your reply. what I would like to achieve is to add this as a column in Table 1 where we can see the transactions. So following from the same example, TotalCount column is a calculated column and we can see the total number against each line item.

 Table 1 TransactionId CurveId Score TotalCount 1000 1 2.00% 1 1000 1 7.00% 2 1000 1 8.00% 2 1000 1 15.00% 3 1000 1 16.00% 3 1000 1 20.00% 3

Kind regards,

Community Support

You could try this measure.

Count =
CALCULATE (
COUNT ( 'Table'[CurveId] ),
FILTER (
'Table',
[Score] <= MAX ( 'Table (2)'[To] )
&& [Score] > MAX ( 'Table (2)'[From] )
&& [CurveId] = MAX ( 'Table (2)'[CurveId] )
)
)

You can check more details from here.

Best Regards,

Stephen Tao

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

Super User

@theblueslover  Sounds like you want to do an approximate lookup - see if this post helps https://excelwithallison.blogspot.com/2020/06/dax-approximate-lookup.html

Copying DAX from this post? Click here for a hack to quickly replace it with your own table names

Has this post solved your problem? Please Accept as Solution so that others can find it quickly and to let the community know your problem has been solved.

I work as a Microsoft trainer and consultant, specialising in Power BI and Power Query.
www.excelwithallison.com

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