Calculates the value of the aggregates StandardDeviationSample, VarianceSample, StandardDeviationPopulation and VariancePopulation. More...

#include <aggregatecalculatorstddev.h>

Public Member Functions
	AggregateCalculatorStdDev (UaNodeId aggregateId, UaDateTime startTime, UaDateTime endTime, double processingInterval, bool stepped, OpcUa_AggregateConfiguration &configuration)
	Initializes the aggregate calculator. More...

Static Public Member Functions
static AggregateCalculatorInterface *	CreateCalculator (UaNodeId aggregateId, UaDateTime startTime, UaDateTime endTime, double processingInterval, bool stepped, OpcUa_AggregateConfiguration &configuration)
	Used by the Aggregators factory to create a new instance of the aggregate calculator. More...

Protected Member Functions
UaDataValue	ComputeValue (TimeSlice &slice)
	Computes the value for the timeslice. More...

UaDataValue	ComputeRegression (TimeSlice &slice, int valueType)
	Calculates the RegSlope, RegConst and RegStdDev aggregates for the timeslice. More...

UaDataValue	ComputeStdDev (TimeSlice &slice, int varianceType, int valueType)
	Calculates the StdDev, Variance, StdDev2 and Variance2 aggregates for the timeslice. More...

Detailed Description

Calculates the value of the aggregates StandardDeviationSample, VarianceSample, StandardDeviationPopulation and VariancePopulation.

Constructor & Destructor Documentation

AggregateCalculatorStdDev::AggregateCalculatorStdDev	(	UaNodeId	aggregateId,
		UaDateTime	startTime,
		UaDateTime	endTime,
		double	processingInterval,
		bool	stepped,
		OpcUa_AggregateConfiguration &	configuration
	)

Initializes the aggregate calculator.

Parameters

aggregateId	The aggregate function to apply.
startTime	The start time.
endTime	The end time.
processingInterval	The processing interval.
stepped	Whether to use stepped interpolation.
configuration	The aggregate configuration.

UaDataValue AggregateCalculatorStdDev::ComputeRegression	(	TimeSlice &	slice,
		int	valueType
	)

protected

Calculates the RegSlope, RegConst and RegStdDev aggregates for the timeslice.

UaDataValue AggregateCalculatorStdDev::ComputeStdDev	(	TimeSlice &	slice,
		int	varianceType,
		int	valueType
	)

protected

Calculates the StdDev, Variance, StdDev2 and Variance2 aggregates for the timeslice.

UaDataValue AggregateCalculatorStdDev::ComputeValue ( TimeSlice & slice )

protectedvirtual

Computes the value for the timeslice.

Reimplemented from AggregateCalculator.

AggregateCalculatorInterface * AggregateCalculatorStdDev::CreateCalculator	(	UaNodeId	aggregateId,
		UaDateTime	startTime,
		UaDateTime	endTime,
		double	processingInterval,
		bool	stepped,
		OpcUa_AggregateConfiguration &	configuration
	)

static

Used by the Aggregators factory to create a new instance of the aggregate calculator.

Parameters

aggregateId	The aggregate function to apply.
startTime	The start time.
endTime	The end time.
processingInterval	The processing interval.
stepped	Whether to use stepped interpolation.
configuration	The aggregate configuration.

The documentation for this class was generated from the following files:

C:/work/uasdkcpp/src/uaserver/uaservercpp/coremodule/aggregatecalculatorstddev.h
C:/work/uasdkcpp/src/uaserver/uaservercpp/coremodule/aggregatecalculatorstddev.cpp