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LadyPeshet
Regular Visitor

Create End Date using Start Dates

Hello,

 

I have a table in Power BI like this:

 

ID  START_DATE 
1   06/24/2016
1   06/24/2017
1   06/24/2018
2   08/08/2017
2   08/08/2016
3   12/12/2015

 

I would like to create a calculated column using DAX, in which I have to calculate the End Date for each record and leave blank if it is MAX Start Date. Output should look as in the example below:

 

ID  START_DATE  END_DATE
1   06/24/2016  06/23/2017
1   06/24/2017  06/23/2018
1   06/24/2018  
2   08/08/2017  
2   08/08/2016  08/07/2017
3   12/12/2015  

 

 

Currently I'm stuck with this solution where I can have MAX End Date for all of the historical records but it's not what I need: 

 

 

End Date = 
VAR TableKey = 'Table1'[ItemKey]
VAR CountDuplicates =
    CALCULATE (
        COUNTROWS ( 'Table1' ),
        ALL ( 'Table1' ),
        'Table1'[ItemKey] = TableKey
    )
VAR GetEndDate =
    CALCULATE (
        MAX ( 'Table1'[Start_Date] ),
        FILTER (
            'Table1',
            'Table1'[ItemKey] = EARLIER ( 'Table1'[ItemKey] )
        )
    )
RETURN
    IF (
        AND (
            CountDuplicates > 1,
            GetEndDate <> 'Table1'[Start_Date]
        ),
        GetEndDate - 1,
        BLANK ()
    )

 

 

Could you please support how to get desired result?

 

Thank you in advance!

1 ACCEPTED SOLUTION
tamerj1
Community Champion
Community Champion

Hi @LadyPeshet 
Please try

END_DATE =
MINX (
    FILTER (
        CALCULATETABLE ( 'Table', ALLEXCEPT ( 'Table', 'Table'[ID] ) ),
        'Table'[START_DATE] > EARLIER ( 'Table'[START_DATE] )
    ),
    'Table'[START_DATE]
) - 1

 

 

 

 

View solution in original post

2 REPLIES 2
tamerj1
Community Champion
Community Champion

Hi @LadyPeshet 
Please try

END_DATE =
MINX (
    FILTER (
        CALCULATETABLE ( 'Table', ALLEXCEPT ( 'Table', 'Table'[ID] ) ),
        'Table'[START_DATE] > EARLIER ( 'Table'[START_DATE] )
    ),
    'Table'[START_DATE]
) - 1

 

 

 

 

amitchandak
Super User
Super User

@LadyPeshet , Create a new column like

 

end date =

Var _min = Minx(filter( table, [ID] = earlier([ID]) && [Start Date] > earlier([Start Date]) ), [Start Date])

return

if(isblank(_min), blank(), _min-1)

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