This class augments data. That is, it transforms the data according to some provided transformation, and attaches the transformed data as new attributes to the existing data. More...

#include <GTransform.h>

Inheritance diagram for GClasses::GDataAugmenter:

Public Member Functions
	GDataAugmenter (GIncrementalTransform *pTransform)
	Generic constructor. pTransform specifies any data transformation. The transformed data will be attached to the existing data in order to augment it. This method takes ownership of pTransform. More...

	GDataAugmenter (GDomNode *pNode, GLearnerLoader &ll)
	Load from a DOM. More...

virtual	~GDataAugmenter ()

virtual GDomNode *	serialize (GDom *pDoc) const
	Marshal this object into a DOM, which can then be converted to a variety of serial formats. More...

virtual void	transform (const double pIn, double pOut)
	See the comment for GIncrementalTransform::transform. More...

virtual void	untransform (const double pIn, double pOut)
	See the comment for GIncrementalTransform::untransform. More...

virtual void	untransformToDistribution (const double pIn, GPrediction pOut)
	Throws an exception. More...

Public Member Functions inherited from GClasses::GIncrementalTransform
	GIncrementalTransform ()

	GIncrementalTransform (GDomNode *pNode, GLearnerLoader &ll)

virtual	~GIncrementalTransform ()

const GRelation &	after () const
	Returns a relation object describing the data after it is transformed. More...

const GRelation &	before () const
	Returns a relation object describing the data before it is transformed. More...

double *	innerBuf ()
	Returns a buffer of sufficient size to store an inner (transformed) vector. The caller should not to delete the buffer. The same buffer will be returned each time. More...

virtual GMatrix *	reduce (const GMatrix &in)
	This calls train, then calls transformBatch, and returns the result. More...

void	setAfter (GRelation *pRel)
	Sets the after relation. Takes ownership of pRel. More...

void	setBefore (GRelation *pRel)
	Sets the before relation. Takes ownership of pRel. More...

void	train (const GMatrix &data)
	Trains the transform on the data in pData. (This method may be a no-op for transformations that always behave in the same manner.) More...

void	train (const GRelation &pRelation)
	"Trains" the transform without any data. More...

virtual GMatrix *	transformBatch (const GMatrix &in)
	This assumes that train has already been called, and transforms all the rows in in returning the resulting matrix. The caller is responsible for deleting the new matrix. More...

virtual GMatrix *	untransformBatch (const GMatrix &in)
	This assumes train was previously called, and untransforms all the rows in pIn and returns the results. More...

Public Member Functions inherited from GClasses::GTransform
	GTransform ()

	GTransform (GDomNode *pNode, GLearnerLoader &ll)

virtual	~GTransform ()

Protected Member Functions
virtual GRelation *	trainInner (const GMatrix &data)
	See the comment for GIncrementalTransform::train. More...

virtual GRelation *	trainInner (const GRelation &relation)
	See the comment for GIncrementalTransform::train. More...

Protected Member Functions inherited from GClasses::GIncrementalTransform
virtual GDomNode *	baseDomNode (GDom pDoc, const char szClassName) const
	Child classes should use this in their implementation of serialize. More...

Protected Attributes
GIncrementalTransform *	m_pTransform

Additional Inherited Members
Static Public Member Functions inherited from GClasses::GIncrementalTransform
static void	test ()
	Performs unit tests for this class. Throws an exception if there is a failure. More...

Detailed Description

This class augments data. That is, it transforms the data according to some provided transformation, and attaches the transformed data as new attributes to the existing data.

Constructor & Destructor Documentation

GClasses::GDataAugmenter::GDataAugmenter ( GIncrementalTransform * pTransform )

Generic constructor. pTransform specifies any data transformation. The transformed data will be attached to the existing data in order to augment it. This method takes ownership of pTransform.

GClasses::GDataAugmenter::GDataAugmenter	(	GDomNode *	pNode,
		GLearnerLoader &	ll
	)

Load from a DOM.

virtual GClasses::GDataAugmenter::~GDataAugmenter ( )

virtual

Member Function Documentation

virtual GDomNode* GClasses::GDataAugmenter::serialize ( GDom * pDoc ) const

virtual

Marshal this object into a DOM, which can then be converted to a variety of serial formats.

Implements GClasses::GIncrementalTransform.

virtual GRelation* GClasses::GDataAugmenter::trainInner ( const GMatrix & data )

protectedvirtual

See the comment for GIncrementalTransform::train.

Implements GClasses::GIncrementalTransform.

virtual GRelation* GClasses::GDataAugmenter::trainInner ( const GRelation & relation )

protectedvirtual

See the comment for GIncrementalTransform::train.

Implements GClasses::GIncrementalTransform.

virtual void GClasses::GDataAugmenter::transform	(	const double *	pIn,
		double *	pOut
	)

virtual

See the comment for GIncrementalTransform::transform.

Implements GClasses::GIncrementalTransform.

virtual void GClasses::GDataAugmenter::untransform	(	const double *	pIn,
		double *	pOut
	)

virtual

See the comment for GIncrementalTransform::untransform.

Implements GClasses::GIncrementalTransform.

virtual void GClasses::GDataAugmenter::untransformToDistribution	(	const double *	pIn,
		GPrediction *	pOut
	)

virtual

Throws an exception.

Implements GClasses::GIncrementalTransform.

Member Data Documentation

GIncrementalTransform* GClasses::GDataAugmenter::m_pTransform

protected

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation