The Date dimension is in the following state:
Based on this how can I build an Hierarchy in SSAS
with the following structrue:
2016
Jan-Feb
Jan-Mrz
Jan-Apr
Jan-Mai
Jan-Jun
...
where Jan-Apr
will be the cumulative Amount from January until April in 2016.
Downvotes are probably because this is a bad dimension design. You can get a cumulative aggregation by dropping all this Jan-Feb etc stuff, using a simple Date dimension and using the PeriodsToDate function.