Add a row to count rows in power query

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Posted on by scncks1

Hi - i am hoping someone can help.

I am attempting to add a custom column in power query for powerbi desktop. The code i have is below, but i am getting a total count (14271), not a count of the filtered rows as shown in the table below the code - any idea how what i am doing incorrectly?

= Table.AddColumn( #"Expanded List_for_Est_Dates", "EST_ROW_COUNT", (row) => let SourceTable = #"Expanded List_for_Est_Dates", FilteredTable = Table.SelectRows( SourceTable, each [Dates] = row[Dates] and [ProjectID] = row[ProjectID] and [DAPolyID] = row[DAPolyID] and [ProductionUnitID] = row[ProductionUnitID] ), RowCount = Table.RowCount(FilteredTable) in RowCount, type number )

Expected results

Date	ProjectID	DAPOLYID	PRODUCTIONUNITID	ROW COUNT
1/1/2022	10	15	20	2
1/1/2022	10	15	20	2
1/1/2022	12	20	20	2
1/1/2022	12	20	20	2
1/5/2022	10	15	20	3
1/5/2022	10	15	20	3
1/5/2022	10	15	20	3