Aggregate class determining the standard devation of array values in a group. More...

#include <ExprGroupAggrFuncArray.h>

Inheritance diagram for casacore::TableExprGroupStdDevsArrayDouble:

Public Member Functions
	TableExprGroupStdDevsArrayDouble (TableExprNodeRep *node, uInt ddof)

virtual	~TableExprGroupStdDevsArrayDouble ()

virtual void	finish ()
	If needed, finish the aggregation. More...

Public Member Functions inherited from casacore::TableExprGroupVariancesArrayDouble
	TableExprGroupVariancesArrayDouble (TableExprNodeRep *node, uInt ddof)

virtual	~TableExprGroupVariancesArrayDouble ()

virtual void	apply (const TableExprId &id)
	Get the operand's value for the given row and apply it to the aggregation. More...

Public Member Functions inherited from casacore::TableExprGroupFuncArrayDouble
	TableExprGroupFuncArrayDouble (TableExprNodeRep *node)

virtual	~TableExprGroupFuncArrayDouble ()

virtual MArray< Double >	getArrayDouble (const vector< TableExprId > &)

Public Member Functions inherited from casacore::TableExprGroupFuncBase
	TableExprGroupFuncBase (TableExprNodeRep *node)
	Construct from the TaQL aggregation node. More...

virtual	~TableExprGroupFuncBase ()

virtual Bool	isLazy () const
	Does the aggregate function use lazy semantics? The default implementation returns False. More...

uInt	seqnr () const
	Get the function's sequence nr. More...

void	setSeqnr (uInt seqnr)
	Set the function's sequence nr. More...

virtual CountedPtr< vector < TableExprId > >	getIds () const
	Get the assembled TableExprIds of a group. More...

virtual Bool	getBool (const vector< TableExprId > &=vector< TableExprId >())
	Get the aggregated value. More...

virtual Int64	getInt (const vector< TableExprId > &=vector< TableExprId >())

virtual Double	getDouble (const vector< TableExprId > &=vector< TableExprId >())

virtual DComplex	getDComplex (const vector< TableExprId > &=vector< TableExprId >())

virtual MVTime	getDate (const vector< TableExprId > &=vector< TableExprId >())

virtual String	getString (const vector< TableExprId > &=vector< TableExprId >())

virtual MArray< Bool >	getArrayBool (const vector< TableExprId > &=vector< TableExprId >())

virtual MArray< Int64 >	getArrayInt (const vector< TableExprId > &=vector< TableExprId >())

virtual MArray< DComplex >	getArrayDComplex (const vector< TableExprId > &=vector< TableExprId >())

virtual MArray< MVTime >	getArrayDate (const vector< TableExprId > &=vector< TableExprId >())

virtual MArray< String >	getArrayString (const vector< TableExprId > &=vector< TableExprId >())

Additional Inherited Members
Protected Member Functions inherited from casacore::TableExprGroupFuncArrayDouble
Bool	checkShape (const MArrayBase &arr, const String &func)
	If not empty, check if the shape matches that of `itsValue`. More...

Protected Attributes inherited from casacore::TableExprGroupVariancesArrayDouble
uInt	itsDdof

Array< Int64 >	itsNr

Array< Double >	itsCurMean

Protected Attributes inherited from casacore::TableExprGroupFuncArrayDouble
MArray< Double >	itsValue

Protected Attributes inherited from casacore::TableExprGroupFuncBase
TableExprNodeRep *	itsNode

TableExprNodeRep *	itsOperand

uInt	itsSeqnr

Detailed Description

Aggregate class determining the standard devation of array values in a group.

Intended use:

Internal

Review Status

Test programs:: tExprGroup

Synopsis

Aggregate class determining the standard deviation of array values in a group. It uses a running algorithm (see en.wikipedia.org/wiki/Algorithms_for_calculating_variance)

Definition at line 816 of file ExprGroupAggrFuncArray.h.

Constructor & Destructor Documentation

casacore::TableExprGroupStdDevsArrayDouble::TableExprGroupStdDevsArrayDouble	(	TableExprNodeRep *	node,
		uInt	ddof
	)

virtual casacore::TableExprGroupStdDevsArrayDouble::~TableExprGroupStdDevsArrayDouble ( )

virtual

Member Function Documentation

virtual void casacore::TableExprGroupStdDevsArrayDouble::finish ( )

virtual

If needed, finish the aggregation.

By default nothing is done.

Reimplemented from casacore::TableExprGroupVariancesArrayDouble.

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

tables/TaQL/ExprGroupAggrFuncArray.h