Calculation on the last 12 months in a chart

[#1]

Hello,

i met an problem with an chart i want to create but i can't i dont know why it doesn't work...

i try to have the total of an indicator during the last 12 month and for every month (of the current year (or max year) ).

My set analysis is  :

=Sum({$<Année=,Mois=,Période=,Date={">=$(=MonthStart(AddMonths(Max([Date]),-12))) <$(=MonthEnd(Max([Date])))"}>}[indicator])

As you can see on the print , the "MonthStart(AddMonths(Max([Date]),-12)))" and the "MonthEnd(Max([Date])" give me the good period for every month but the final calculation is wrong and i don t know the origin of the problem...

if somebody could help me...

Thanks

Regards

[Gysbert_Wassenaar]

Set analysis expression calculate one set per chart, not a set per row. If you use Mois as dimension and want a rolling 12 month sum per month you can use an AsOf table. See this document for a description of the problem and possible solutions: Calculating rolling n-period totals, averages or other aggregations