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I need to find avg no. of days to a remediation date,
I have used as expression if(len(RemediationDate)>0, avg (aggr(min(BusinessDate)-CreateDate),ISU_ID),null())
Dimension should be BusinessDate.
I have used this expression ,I have to pick the first date of min(business Date)-CreateDate that should be aggregated with ISU_ID and avg of this ,remediation date on which first time assigned.