Use these functions whenever you want to evaluate all the values in a given field for the entire report and return a calculated value. For example, a "grand total" average or a "grand total" count.
Average (fld)
Count (fld)
DistinctCount (fld)
Maximum (fld)
Minimum (fld)
PopulationStdDev (fld)
PopulationVariance (fld)
StdDev (fld)
Sum (fld)
Variance (fld)