casacore::TableExprGroupStdDevDouble Class Reference

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

#include <ExprGroupAggrFunc.h>

Inheritance diagram for casacore::TableExprGroupStdDevDouble:

List of all members.

Public Member Functions
	TableExprGroupStdDevDouble (TableExprNodeRep *node)
virtual	~TableExprGroupStdDevDouble ()
virtual void	finish ()
	If needed, finish the aggregation.

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Detailed Description

Aggregate class determining the standard deviation of values in a group.

Intended use:

Internal

Review Status

Test programs:

tExprGroup

Synopsis

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

Definition at line 375 of file ExprGroupAggrFunc.h.

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Constructor & Destructor Documentation

casacore::TableExprGroupStdDevDouble::TableExprGroupStdDevDouble

(

TableExprNodeRep *

node

)

[explicit]

virtual casacore::TableExprGroupStdDevDouble::~TableExprGroupStdDevDouble

(

)

[virtual]

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Member Function Documentation

virtual void casacore::TableExprGroupStdDevDouble::finish

(

)

[virtual]

If needed, finish the aggregation.

By default nothing is done.

Reimplemented from casacore::TableExprGroupVarianceDouble.

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

• casacore/tables/TaQL/ExprGroupAggrFunc.h