Detailed Description

A relation with a minimal memory footprint that assumes all attributes are continuous, or all of them are nominal and have the same number of possible values.

#include <GMatrix.h>

Inheritance diagram for GClasses::GUniformRelation:

Public Member Functions
	GUniformRelation (size_t attrCount, size_t values=0)

	GUniformRelation (const GDomNode *pNode)

virtual bool	areContinuous (size_t first=0, size_t count=INVALID_INDEX) const
	See the comment for GRelation::areContinuous. More...

virtual bool	areNominal (size_t first=0, size_t count=INVALID_INDEX) const
	See the comment for GRelation::areNominal. More...

virtual GRelation *	clone () const
	Returns a copy of this object. More...

virtual GRelation *	cloneMinimal () const
	Returns a copy of this object. More...

virtual GRelation *	cloneSub (size_t, size_t count) const
	Returns a deep copy of the specified subset of this relation. More...

virtual void	deleteAttributes (size_t index, size_t count)
	Drop the specified attribute. More...

virtual bool	isCompatible (const GRelation &that) const
	Returns true iff this and that have the same number of values for each attribute. More...

virtual GDomNode *	serialize (GDom *pDoc) const
	Serializes this object. More...

virtual size_t	size () const
	Returns the number of attributes (columns) More...

virtual void	swapAttributes (size_t, size_t)
	Swap two attributes (since all attributes are identical, does nothing) More...

virtual RelationType	type () const
	Returns the type of relation. More...

virtual size_t	valueCount (size_t) const
	Returns the number of values in each nominal attribute (or 0 if the attributes are continuous) More...

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

virtual	~GRelation ()

virtual std::string	attrNameStr (std::size_t nAttr) const
	Returns the name of the attribute with index nAttr as a standard string object or "" if the atribute has no name. More...

void	print (std::ostream &stream) const
	Prints this relation in ARFF format to the specified stream. More...

virtual void	printAttrName (std::ostream &stream, size_t column) const
	Prints the specified attribute name to a stream. More...

virtual void	printAttrValue (std::ostream &stream, size_t column, double value, const char *missing="?") const
	Prints the specified value to a stream. More...

void	printRow (std::ostream &stream, const double pRow, char separator= ',', const char missing="?") const
	Print a single row of data in ARFF format. More...

void	save (const GMatrix pData, const char szFilename) const
	Saves to a file. More...

Protected Attributes
size_t	m_attrCount

size_t	m_valueCount

Additional Inherited Members
Public Types inherited from GClasses::GRelation
Static Public Member Functions inherited from GClasses::GRelation
static GRelation *	deserialize (const GDomNode *pNode)
	Load from a DOM. More...

static void	test ()
	Performs unit tests for this class. Throws an exception if there is a failure. More...