class %ZEN.Report.Aggregate.StDevP
extends %ZEN.Report.CustomAggregate
Standard deviation ("whole population") Aggregate
property Count
as %Integer [ InitialExpression = 0 ];
Number of values processed
property SUMX
as %Double [ InitialExpression = 0 ];
property SUMX2
as %Double [ InitialExpression = 0 ];
method GetResult()
as %String
Returns the standard deviation - biased, works if sample is whole populations
method ProcessValue(pValue As %Double)
as %Status
ProcessValue is called sequentially on each record returned by the
report query or queries.