When possible, replaces aggregation over a member set with a reference to an ancestor, if the aggregated member set comprises a complete set of descendants and all members have the weight 1.
For example, the aggregation aggregate(children(<Member>)) might be replaced with a reference to <Member>.
Parameter type: optional, static
This parameter is applicable only when using TM1® with IBM Cognos® Business Intelligence.
CognosMDX.AggregateByAncestorRef=true
Default value: false