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Incremental RowId over the Same Category and Repeat

Kok Leong Foong

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Create the following columns

[Row ID] = RowId()

[Previous Category] =Concatenate([Categories]) over (Previous([Row ID]))

Flag =If(([Previous Category][Categories]) or ([Row ID]=1),1,0)

[Required Column 2] =Sum([Flag]) over (Intersect([Categories],AllPrevious([Row ID])))

[Required Column] =Count([Categories]) over (Intersect([Categories],AllPrevious([Row ID]),[Required Column 2]))

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