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Helper IV

RANK within group when filtering

Hi,

I have the following data table in Power BI with a sequence by acct with highes value to lowest value:

 Acct LocationKey Value Type Seq 1 AAB 300 PH 1 1 AAC 550 HE 2 1 AAD 700 PH 3 1 AAE 788 HE 4 1 AAF 980 PH 5 2 BBA 450 HE 1 2 BBB 480 PH 2 2 BBC 700 PH 3

If i place the data in a table in Power BI and filter by Type = "PH", i get this:

 Acct LocationKey Value Type Seq 1 AAB 300 PH 1 1 AAD 700 PH 3 1 AAF 980 PH 5 2 BBB 480 PH 2 2 BBC 700 PH 3

What I want is a new measure that will re-rank the sequence based on the filter like this:

 Acct LocationKey Value Type Seq 1 AAB 300 PH 1 1 AAD 700 PH 2 1 AAF 980 PH 3 2 BBB 480 PH 1 2 BBC 700 PH 2

thanks

Scott

1 ACCEPTED SOLUTION
Super User

Hi @scabral
Please refer to attached file with the solution

``````Rank =
IF (
HASONEVALUE ( 'Table'[LocationKey] ),
RANKX (
CALCULATETABLE (
VALUES ( 'Table'[LocationKey] ),
ALLEXCEPT ( 'Table', 'Table'[Acct], 'Table'[Type] )
),
CALCULATE (
SUM ( 'Table'[Value] ),
ALLEXCEPT ( 'Table', 'Table'[LocationKey] )
),,
ASC,
Dense
)
)``````

3 REPLIES 3
Community Champion

 Thanks to the great efforts by MS engineers to simplify syntax of DAX! Most beginners are SUCCESSFULLY MISLED to think that they could easily master DAX; but it turns out that the intricacy of the most frequently used RANKX() is still way beyond their comprehension! DAX is simple, but NOT EASY!
Solution Sage

Please also try this measure expression, that should also work when there is no external filter on Type (i.e., match your original sequence #s).

``````Acct Rank =
RANKX (
CALCULATETABLE (
SUMMARIZE ( T5, T5[Type], T5[LocationKey] ),
ALLSELECTED ( t5 ),
VALUES ( T5[Acct] )
),
CALCULATE ( SUM ( T5[Value] ) ),
,
ASC
)``````

Pat

Microsoft Employee
Super User

Hi @scabral
Please refer to attached file with the solution

``````Rank =
IF (
HASONEVALUE ( 'Table'[LocationKey] ),
RANKX (
CALCULATETABLE (
VALUES ( 'Table'[LocationKey] ),
ALLEXCEPT ( 'Table', 'Table'[Acct], 'Table'[Type] )
),
CALCULATE (
SUM ( 'Table'[Value] ),
ALLEXCEPT ( 'Table', 'Table'[LocationKey] )
),,
ASC,
Dense
)
)``````

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