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Anonymous
Not applicable

## Rolling 6 months

Hi Experts

Trying to work out the rolling 6 months to start at a specific date in my table - my measure is (but i cannot see the error)

Rolling 6 mnth =
VAR _Min = Min(BM Historic[Month Year])

BAR _Startdate = Edate(_min,48)

Return

Calculate(Sum(BM Historic [Value]),Max(_startdate),-6,month))

1 ACCEPTED SOLUTION
Super User

Hey @Anonymous ,

I didn't understand your DAX measure and I also think it can't work as there are some errors.

If you want to get rolling 6 months data, you should try the following approach:

``````Rolling 6 mnth =
CALCULATE(
Sum('BM Historic'[Value]),
DATESINPERIOD(
'DateTable'[Date],
MAX('DateTable'[Date]),
-6,
MONTH
)
)``````

Be aware, that you need a proper date table in order for the time intelligence functions to work.

If you need any help please let me know.
If I answered your question I would be happy if you could mark my post as a solution ✔️ and give it a thumbs up 👍

Best regards
Denis

4 REPLIES 4
Super User

Hey @Anonymous ,

I didn't understand your DAX measure and I also think it can't work as there are some errors.

If you want to get rolling 6 months data, you should try the following approach:

``````Rolling 6 mnth =
CALCULATE(
Sum('BM Historic'[Value]),
DATESINPERIOD(
'DateTable'[Date],
MAX('DateTable'[Date]),
-6,
MONTH
)
)``````

Be aware, that you need a proper date table in order for the time intelligence functions to work.

If you need any help please let me know.
If I answered your question I would be happy if you could mark my post as a solution ✔️ and give it a thumbs up 👍

Best regards
Denis

Anonymous
Not applicable
Anonymous
Not applicable

Hi Denis, What i was trying to do is start my rolling 6 months from date index number 25 which is Feb 2017 and ignore all dates before this date..... Is this possible?

Super User

Hey @Anonymous ,

I don't know what you mean with index number 25 as that's also not in your file.

But you can set the date in the measure above. Instead of "MAX('DateTable'[Date])" you can also just write "DATE( 2017, 2, 25)" as start date.

If you need any help please let me know.
If I answered your question I would be happy if you could mark my post as a solution ✔️ and give it a thumbs up 👍

Best regards
Denis