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## last period value not calculating correctly when rolled-up

Hi all,

In the table below i have the total closed volume by day, and the volume Mvmt is the difference in volume compared to the previouse day.

it works fine on a daily level, however when rolled up into a weekly level the result is wrong. for exmaple i expect the difference between the weeks starting on 20/07/2023 and 13/07/2023 to be -11143.

how can i write my [Volume mvmt] measure in a way that would allow produce the correct result when rolled up.

Thanks

1 ACCEPTED SOLUTION
Community Support

Hi @bokchoyy ,

I modify the measure of Volume Mvmt, the function is showed below:

``````Volume Mvmt =
IF(
ISINSCOPE('Table'[Date]) = TRUE(),
SUM('Table'[Closed Volume]) - CALCULATE(SUM('Table'[Closed Volume]),FILTER(ALLSELECTED('Table'),[Date]=MAX([Date])-1)),
IF(
ISINSCOPE('Table'[WeekStartThursday]) = TRUE(),
CALCULATE(SUM('Table'[Closed Volume]),FILTER(ALLSELECTED('Table'),[WeekStartThursday]=MAX('Table'[WeekStartThursday])+7)) - SUM('Table'[Closed Volume])
)
)
``````

Description of the code:
The two if statements help us to distinguish two different levels of the table.

ISINSCOPE('Table'[Date]) = TRUE() and  ISINSCOPE('Table'[WeekStartThursday]) = TRUE() each is a Boolean function identifies date or week layer.

Calculate function gives us the final result.

Here is the outcome:

Best Regards,

Stephen Tao

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

2 REPLIES 2
Community Support

Hi @bokchoyy ,

I modify the measure of Volume Mvmt, the function is showed below:

``````Volume Mvmt =
IF(
ISINSCOPE('Table'[Date]) = TRUE(),
SUM('Table'[Closed Volume]) - CALCULATE(SUM('Table'[Closed Volume]),FILTER(ALLSELECTED('Table'),[Date]=MAX([Date])-1)),
IF(
ISINSCOPE('Table'[WeekStartThursday]) = TRUE(),
CALCULATE(SUM('Table'[Closed Volume]),FILTER(ALLSELECTED('Table'),[WeekStartThursday]=MAX('Table'[WeekStartThursday])+7)) - SUM('Table'[Closed Volume])
)
)
``````

Description of the code:
The two if statements help us to distinguish two different levels of the table.

ISINSCOPE('Table'[Date]) = TRUE() and  ISINSCOPE('Table'[WeekStartThursday]) = TRUE() each is a Boolean function identifies date or week layer.

Calculate function gives us the final result.

Here is the outcome:

Best Regards,

Stephen Tao

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

Frequent Visitor

Thank you Stephen, the ISINSCOPE fucntion was exactly what i needed.

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