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I have a table attached to a date dimension where I want to count the number of duplicates of Column1 - figure it to be an integer.
A value in Column1 repeats itself without any kind of patter. I need to figure out how many times a value repeats itself but only repeats itself after X amount of months.
Example:
555 | 6/12/2017 |
556 | 6/17/2017 |
555 | 7/17/2017 |
556 | 9/12/2017 |
555 | 10/12/2017 |
555 | 11/12/2017 |
555 | 12/28/2017 |
555 | 1/28/2017 |
556 | 1/28/2018 |
So 555 duplicate count would equal 1, and 556 would be 2.
I'd assume there must be some kind of DAX that can be used for this formula however I haven't been able to figure it out exactly.
You may add a measure as follows.
Measure = SUMX ( Table1, VAR d = Table1[Date] RETURN IF ( COUNTROWS ( FILTER ( Table1, Table1[Date] >= DATE ( YEAR ( d ), MONTH ( d ) - 1, 1 ) && Table1[Date] < d ) ) = 0, 1 ) ) - 1
I'm trying this now @v-chuncz-msft, but am not seing the measure once I pusblish the tabluar model and refresh Power BI.
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