Debug help please

[jjkmd]

I have simplified my table to one value (Charge90) per month.  I have a measure that shows me the rolling 12 total.

Rolling individual = sumx(DATESINPERIOD(PostMonthly90[Month_Post],LASTDATE(PostMonthly90[Month_Post]),-12,MONTH),[Sum Charge90])

Then I want a measure that shows the sum of those rolling 12's for everyone who has the status of "Partner" in the Partner_Status.

To start that, I tried to make a measure that just showed the rolling 12 if someone was a partner with this....  Seemed straight forward...

only partners rolling = sumx(filter(PostMonthly90,PostMonthly90[Partner_Status]="Partner"),[Rolling individual])

THis does show a blank if someone is not a partner that month.

however, if they are a partner, it doesn't show the measure "Rolling Individual", it just shows the sum of the current months Charge90, ie, NOT the rolling 12.   Somehow the rolling 12 gets removed?

weird...  The measure for "only partner rolling" contains "rolling individual" but actually shows Charge90?!?

[TomMartens · Accepted solution]

Hey,

without data that allows to recreate the observation that you describe, it's almost impossible to provide any help for debugging the issue (at least I'm not able to provide any help).

As far as I can see, you are using DATESINPERIOD and LASTDATE. Both of  these DAX functions can be considered as one of the Time Intelligence (https://dax.guide/ and look for Time Intelligence, this is something different than Date and Time functions) functions. It's a good practice to use a dedicated calendar table without any missing dates, and link this table to all the other tables like:

PostMonthly90

Regards,

Tom

[jjkmd]

Thank you Tom, i'll do a different post with sample data that should hopefully help.

Thanks!