AggregatorsDoubleAvg Method | 
| Name | Description | |
|---|---|---|
| DoubleAvg | 
            an aggregator that calculates the average of the input values.
            Does NOT accept null input values.
              | |
| DoubleAvg(String) | 
            an aggregator that calculates the average of the input values extracted from the given attributePath.
            Does NOT accept null input values nor null extracted values.
            Accepts only double input values
              |