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SimpleCount =CALCULATE(COUNT([Date])) CountAll =CALCULATE(COUNT([Date]), ALL(‘Date’)) Index =CALCULATE(COUNT([Date]), ALL(‘Date’), FILTER(‘Date’, [Date]<=EARLIER([Date]))) IndexByMonth =CALCULATE(COUNT([Date]), ALL(‘Date’), FILTER(‘Date’, [Date]<=EARLIER([Date])), FILTER(‘Date’, [Month]=EARLIER([Month]))) I am trying to create a calculated column in SSAS tabular model with DAX. I want a dynamic index column on a table. Meaning that the index starts at 0 when the table is filtered. Imagine you have a table like: item index apple 0 banana 1 celery 2 broccoli 3 If I filter the table to just vegetables normally the index would still be: One way to create a group index by using DAX is with the function RANKX. How to do that depends on your dataset… A string which specifies the name of the index column which is replacing all the common columns in the two tables supplied as arguments to this function. indexColumnsTable: The second table for the left semijoin. This is the table on the right side of the left semijoin.

=IFERROR(INDEX($A$1:$A$7,SMALL(IF($A$1:$A$7<>0,ROW($A$1:$A$7)),ROW()),),'').

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Since it is a table created in DAX you cannot view this table in Power Query / M to add an Index column using M. DAX DAX Patterns Optimization Query Plans In several data models, you need to assign an index number to a row. The index is an incremental number that sorts the rows according to some rule.

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The simplest pattern uses the AVERAGEX function in DAX, which automatically considers only the days for which there is a value. 2013-09-30 2019-02-15 2019-11-15 2019-07-25 @gtamir - Oh, then you want my SuperRank column formula, which I just invented: SuperRank = VAR __table = FILTER(ALL('Table6'),[Total] > EARLIER('Table6'[Total])) VAR __tableSame = FILTER(ALL('Table6'),[Total] = EARLIER('Table6'[Total]) && [Customer] < EARLIER(Table6[Customer])) RETURN COUNTROWS(__table) + 1 + COUNTROWS(__tableSame) 2.
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Just you have to click on setting option of added step for editing and delete or cross option for deleting the Index column. An added step is as below. The CONCATENATE function in DAX accepts only two arguments, whereas the Excel CONCATENATE function accepts up to 255 arguments.
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RANKX has two mandatory parameters and some optional parameters.