7-day rolling sum issue with slicer

[gb1997]

Hi everyone,

I am having some issueswith my DAX code.

I have an Excel table named 'MyTable' that I use as a dataset. In this table there are several columns, including one for dates (from 2019 to 2021) and one for the number of orders I have per day.

I wanted to create a 7-day rolling sum the returns for a given day the number of orders for the current day and the 6 days before.

Here is an example:

Date	Orders	7-day rolling sum for orders
Jan 1st	5	5
Jan 2nd	2	7
Jan 3rd	6	13
Jan 4th	3	16
Jan 5th	7	23
Jan 6th	4	27
Jan 7th	2	29
Jan 8th	3	27

Here is an example of the kind of results I am supposed to get. Here, for Jan 8th, I should get the sum of Jan 8th + the 6 days before.

My DAX formula is the following:

Orders 7DR Sum =

CALCULATE(

    SUMX('MyTable',MyTable[Orders]),

    DATESINPERIOD(MyTable[Date], LASTDATE(MyTable[Date]), -6, DAY)

)

Technically it works if I show the entire data on my Power BI dashboard. However, I need to use slicers on my dashboard to filter the data. The problem with the slicer is that if I ask it to filter the data for february 2019 for example, the formula will start the sum at the beginning of february. Leading to the first 7 days of the chart being wrong.

How can I modify my DAX formula so that it still considers the dates outside of the slicer?

Thank you very much.

[gb1997]

Any idea? I have been trying many things and nothing works at the moment...

[FreemanZ]

hi @gb1997 

When you say "ask it to filter the data for february 2019", which day do you mean by february 2019?

[gb1997]

Hi @FreemanZ ,

When I say "filter the data for February 2019" what I mean by that is that I want the slicer to show me the data only for February 2019. All the data that is before Feb 2019 and after is not shown.