Useful for counting records or elements within a record, where the count for an individual record is passed in as an Int
Useful for calculating the maximum value across values derived from source records
Useful for calculating the mean value across values derived from source records
Useful for calculating the minimum value across values derived from source records
Useful for calculating the maximum and minimum values across values derived from source records
Useful for summing values derived from a record, where the sum for an individual record is passed in as a Double