Definition at line 50 of file VariablePCATransform.h.

Public Member Functions
	VariablePCATransform (DataSetInfo &dsi)

virtual	~VariablePCATransform (void)
	destructor More...

void	Initialize ()
	initialization of the transformation. More...

Bool_t	PrepareTransformation (const std::vector< Event * > &)
	calculate the principal components using the ROOT class TPrincipal and the normalization More...

virtual const Event *	Transform (const Event *const, Int_t cls) const
	apply the principal component analysis More...

virtual const Event *	InverseTransform (const Event *const, Int_t cls) const
	apply the principal component analysis TODO: implementation of inverse transformation Log() << kFATAL << "Inverse transformation for PCA transformation not yet implemented. Hence, this transformation cannot be applied together with regression. Please contact the authors if necessary." << Endl; More...

void	WriteTransformationToStream (std::ostream &) const
	write mean values to stream More...

void	ReadTransformationFromStream (std::istream &, const TString &)
	Read mean values from input stream. More...

virtual void	AttachXMLTo (void *parent)
	create XML description of PCA transformation More...

virtual void	ReadFromXML (void *trfnode)
	Read the transformation matrices from the xml node. More...

virtual void	MakeFunction (std::ostream &fout, const TString &fncName, Int_t part, UInt_t trCounter, Int_t cls)
	creates C++ code fragment of the PCA transform for inclusion in standalone C++ class More...

Public Member Functions inherited from TMVA::VariableTransformBase
	VariableTransformBase (DataSetInfo &dsi, Types::EVariableTransform tf, const TString &trfName)

virtual	~VariableTransformBase (void)

void	SetEnabled (Bool_t e)

void	SetNormalise (Bool_t n)

Bool_t	IsEnabled () const

Bool_t	IsCreated () const

Bool_t	IsNormalised () const

virtual void	SelectInput (const TString &inputVariables, Bool_t putIntoVariables=kFALSE)
	select the variables/targets/spectators which serve as input to the transformation More...

virtual Bool_t	GetInput (const Event *event, std::vector< Float_t > &input, std::vector< Char_t > &mask, Bool_t backTransform=kFALSE) const
	select the values from the event More...

virtual void	SetOutput (Event event, std::vector< Float_t > &output, std::vector< Char_t > &mask, const Event oldEvent=0, Bool_t backTransform=kFALSE) const
	select the values from the event More...

virtual void	CountVariableTypes (UInt_t &nvars, UInt_t &ntgts, UInt_t &nspcts) const
	count variables, targets and spectators More...

void	ToggleInputSortOrder (Bool_t sortOrder)

void	SetOutputDataSetInfo (DataSetInfo *outputDsi)

void	SetUseSignalTransform (Bool_t e=kTRUE)

Bool_t	UseSignalTransform () const

virtual const char *	GetName () const
	Returns name of object. More...

TString	GetShortName () const

Types::EVariableTransform	GetVariableTransform () const

virtual std::vector< TString > *	GetTransformationStrings (Int_t cls) const
	TODO –> adapt to variable,target,spectator selection default transformation output –> only indicate that transformation occurred. More...

virtual void	PrintTransformation (std::ostream &)

const std::vector < TMVA::VariableInfo > &	Variables () const

const std::vector < TMVA::VariableInfo > &	Targets () const

const std::vector < TMVA::VariableInfo > &	Spectators () const

MsgLogger &	Log () const

void	SetTMVAVersion (TMVAVersion_t v)

Public Member Functions inherited from TObject
	TObject ()

	TObject (const TObject &object)
	TObject copy ctor. More...

TObject &	operator= (const TObject &rhs)
	TObject assignment operator. More...

virtual	~TObject ()
	TObject destructor. More...

virtual void	AppendPad (Option_t *option="")
	Append graphics object to current pad. More...

virtual void	Browse (TBrowser *b)
	Browse object. May be overridden for another default action. More...

virtual const char *	ClassName () const
	Returns name of class to which the object belongs. More...

virtual void	Clear (Option_t *="")

virtual TObject *	Clone (const char *newname="") const
	Make a clone of an object using the Streamer facility. More...

virtual Int_t	Compare (const TObject *obj) const
	Compare abstract method. More...

virtual void	Copy (TObject &object) const
	Copy this to obj. More...

virtual void	Delete (Option_t *option="")
	Delete this object. More...

virtual Int_t	DistancetoPrimitive (Int_t px, Int_t py)
	Computes distance from point (px,py) to the object. More...

virtual void	Draw (Option_t *option="")
	Default Draw method for all objects. More...

virtual void	DrawClass () const
	Draw class inheritance tree of the class to which this object belongs. More...

virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current pad. More...

virtual void	Dump () const
	Dump contents of object on stdout. More...

virtual void	Execute (const char method, const char params, Int_t *error=0)
	Execute method on this object with the given parameter string, e.g. More...

virtual void	Execute (TMethod method, TObjArray params, Int_t *error=0)
	Execute method on this object with parameters stored in the TObjArray. More...

virtual void	ExecuteEvent (Int_t event, Int_t px, Int_t py)
	Execute action corresponding to an event at (px,py). More...

virtual TObject *	FindObject (const char *name) const
	Must be redefined in derived classes. More...

virtual TObject *	FindObject (const TObject *obj) const
	Must be redefined in derived classes. More...

virtual Option_t *	GetDrawOption () const
	Get option used by the graphics system to draw this object. More...

virtual UInt_t	GetUniqueID () const
	Return the unique object id. More...

virtual const char *	GetIconName () const
	Returns mime type name of object. More...

virtual Option_t *	GetOption () const

virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Returns string containing info about the object at position (px,py). More...

virtual const char *	GetTitle () const
	Returns title of object. More...

virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out. More...

virtual ULong_t	Hash () const
	Return hash value for this object. More...

virtual Bool_t	InheritsFrom (const char *classname) const
	Returns kTRUE if object inherits from class "classname". More...

virtual Bool_t	InheritsFrom (const TClass *cl) const
	Returns kTRUE if object inherits from TClass cl. More...

virtual void	Inspect () const
	Dump contents of this object in a graphics canvas. More...

virtual Bool_t	IsFolder () const
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...

virtual Bool_t	IsEqual (const TObject *obj) const
	Default equal comparison (objects are equal if they have the same address in memory). More...

virtual Bool_t	IsSortable () const

Bool_t	IsOnHeap () const

Bool_t	IsZombie () const

virtual Bool_t	Notify ()
	This method must be overridden to handle object notification. More...

virtual void	ls (Option_t *option="") const
	The ls function lists the contents of a class on stdout. More...

virtual void	Paint (Option_t *option="")
	This method must be overridden if a class wants to paint itself. More...

virtual void	Pop ()
	Pop on object drawn in a pad to the top of the display list. More...

virtual void	Print (Option_t *option="") const
	This method must be overridden when a class wants to print itself. More...

virtual Int_t	Read (const char *name)
	Read contents of object with specified name from the current directory. More...

virtual void	RecursiveRemove (TObject *obj)
	Recursively remove this object from a list. More...

virtual void	SaveAs (const char filename="", Option_t option="") const
	Save this object in the file specified by filename. More...

virtual void	SavePrimitive (std::ostream &out, Option_t *option="")
	Save a primitive as a C++ statement(s) on output stream "out". More...

virtual void	SetDrawOption (Option_t *option="")
	Set drawing option for object. More...

virtual void	SetUniqueID (UInt_t uid)
	Set the unique object id. More...

virtual void	UseCurrentStyle ()
	Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. More...

virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory. More...

virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
	Write this object to the current directory. More...

void *	operator new (size_t sz)

void *	operator new[] (size_t sz)

void *	operator new (size_t sz, void *vp)

void *	operator new[] (size_t sz, void *vp)

void	operator delete (void *ptr)
	Operator delete. More...

void	operator delete[] (void *ptr)
	Operator delete []. More...

void	SetBit (UInt_t f, Bool_t set)
	Set or unset the user status bits as specified in f. More...

void	SetBit (UInt_t f)

void	ResetBit (UInt_t f)

Bool_t	TestBit (UInt_t f) const

Int_t	TestBits (UInt_t f) const

void	InvertBit (UInt_t f)

virtual void	Info (const char method, const char msgfmt,...) const
	Issue info message. More...

virtual void	Warning (const char method, const char msgfmt,...) const
	Issue warning message. More...

virtual void	Error (const char method, const char msgfmt,...) const
	Issue error message. More...

virtual void	SysError (const char method, const char msgfmt,...) const
	Issue system error message. More...

virtual void	Fatal (const char method, const char msgfmt,...) const
	Issue fatal error message. More...

void	AbstractMethod (const char *method) const
	Use this method to implement an "abstract" method that you don't want to leave purely abstract. More...

void	MayNotUse (const char *method) const
	Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary). More...

void	Obsolete (const char method, const char asOfVers, const char *removedFromVers) const
	Use this method to declare a method obsolete. More...

Private Member Functions
void	CalculatePrincipalComponents (const std::vector< Event * > &)
	calculate the principal components for the signal and the background data it uses the MakePrincipal method of ROOT's TPrincipal class More...

void	X2P (std::vector< Float_t > &, const std::vector< Float_t > &, Int_t cls) const
	Calculate the principal components from the original data vector x, and return it in p (function extracted from TPrincipal::X2P) It's the users responsibility to make sure that both x and p are of the right size (i.e., memory must be allocated for p) More...

void	P2X (std::vector< Float_t > &, const std::vector< Float_t > &, Int_t cls) const
	Perform the back-transformation from the principal components pc, and return x It's the users responsibility to make sure that both x and pc are of the right size (i.e., memory must be allocated for p) More...

Private Attributes
std::vector< TVectorD * >	fMeanValues

std::vector< TMatrixD * >	fEigenVectors

Additional Inherited Members
Public Types inherited from TMVA::VariableTransformBase
typedef std::vector< std::pair < Char_t, UInt_t > >	VectorOfCharAndInt

typedef VectorOfCharAndInt::iterator	ItVarTypeIdx

typedef VectorOfCharAndInt::const_iterator	ItVarTypeIdxConst

Public Types inherited from TObject
enum	EStatusBits { kCanDelete = BIT(0), kMustCleanup = BIT(3), kObjInCanvas = BIT(3), kIsReferenced = BIT(4), kHasUUID = BIT(5), kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13) }

enum	{ kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kBitMask = 0x00ffffff }

enum	{ kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) }

Static Public Member Functions inherited from TObject
static Long_t	GetDtorOnly ()
	Return destructor only flag. More...

static void	SetDtorOnly (void *obj)
	Set destructor only flag. More...

static Bool_t	GetObjectStat ()
	Get status of object stat flag. More...

static void	SetObjectStat (Bool_t stat)
	Turn on/off tracking of objects in the TObjectTable. More...

Protected Member Functions inherited from TMVA::VariableTransformBase
void	CalcNorm (const std::vector< const Event * > &)
	TODO –> adapt to variable,target,spectator selection method to calculate minimum, maximum, mean, and RMS for all variables used in the MVA. More...

void	SetCreated (Bool_t c=kTRUE)

void	SetNVariables (UInt_t i)

void	SetName (const TString &c)

UInt_t	GetNVariables () const

UInt_t	GetNTargets () const

UInt_t	GetNSpectators () const

std::vector< TMVA::VariableInfo > &	Variables ()

std::vector< TMVA::VariableInfo > &	Targets ()

std::vector< TMVA::VariableInfo > &	Spectators ()

Int_t	GetNClasses () const

Protected Member Functions inherited from TObject
void	MakeZombie ()

virtual void	DoError (int level, const char location, const char fmt, va_list va) const
	Interface to ErrorHandler (protected). More...

Protected Attributes inherited from TMVA::VariableTransformBase
DataSetInfo &	fDsi

DataSetInfo *	fDsiOutput

Event *	fTransformedEvent

Event *	fBackTransformedEvent

VectorOfCharAndInt	fGet

VectorOfCharAndInt	fPut

TMVAVersion_t	fTMVAVersion

MsgLogger *	fLogger

#include <TMVA/VariablePCATransform.h>

Inheritance diagram for TMVA::VariablePCATransform:

[legend]

Constructor & Destructor Documentation

TMVA::VariablePCATransform::VariablePCATransform ( DataSetInfo & dsi )

TMVA::VariablePCATransform::~VariablePCATransform ( void )

virtual

destructor

Definition at line 62 of file VariablePCATransform.cxx.

Member Function Documentation

void TMVA::VariablePCATransform::AttachXMLTo ( void * parent )

virtual

create XML description of PCA transformation

Implements TMVA::VariableTransformBase.

Definition at line 339 of file VariablePCATransform.cxx.

void TMVA::VariablePCATransform::CalculatePrincipalComponents ( const std::vector< Event * > & events )

private

calculate the principal components for the signal and the background data it uses the MakePrincipal method of ROOT's TPrincipal class

Definition at line 201 of file VariablePCATransform.cxx.

void TMVA::VariablePCATransform::Initialize ( )

virtual

initialization of the transformation.

Has to be called in the preparation and not in the constructor, since the number of classes it not known at construction, but only after the creation of the DataSet which might be later.

Implements TMVA::VariableTransformBase.

Definition at line 76 of file VariablePCATransform.cxx.

const TMVA::Event * TMVA::VariablePCATransform::InverseTransform	(	const Event * const	ev,
		Int_t	cls
	)		const

virtual

apply the principal component analysis TODO: implementation of inverse transformation Log() << kFATAL << "Inverse transformation for PCA transformation not yet implemented. Hence, this transformation cannot be applied together with regression. Please contact the authors if necessary." << Endl;

Implements TMVA::VariableTransformBase.

Definition at line 171 of file VariablePCATransform.cxx.

void TMVA::VariablePCATransform::MakeFunction	(	std::ostream &	fout,
		const TString &	fncName,
		Int_t	part,
		UInt_t	trCounter,
		Int_t	cls
	)

virtual

creates C++ code fragment of the PCA transform for inclusion in standalone C++ class

Implements TMVA::VariableTransformBase.

Definition at line 524 of file VariablePCATransform.cxx.

void TMVA::VariablePCATransform::P2X	(	std::vector< Float_t > &	x,
		const std::vector< Float_t > &	pc,
		Int_t	cls
	)		const

private

Perform the back-transformation from the principal components pc, and return x It's the users responsibility to make sure that both x and pc are of the right size (i.e., memory must be allocated for p)

Definition at line 292 of file VariablePCATransform.cxx.

Bool_t TMVA::VariablePCATransform::PrepareTransformation ( const std::vector< Event * > & events )

virtual

calculate the principal components using the ROOT class TPrincipal and the normalization

Implements TMVA::VariableTransformBase.

Definition at line 84 of file VariablePCATransform.cxx.

void TMVA::VariablePCATransform::ReadFromXML ( void * trfnode )

virtual

Read the transformation matrices from the xml node.

Implements TMVA::VariableTransformBase.

Definition at line 377 of file VariablePCATransform.cxx.

void TMVA::VariablePCATransform::ReadTransformationFromStream	(	std::istream &	istr,
		const TString &	classname
	)

virtual

Read mean values from input stream.

Implements TMVA::VariableTransformBase.

Definition at line 443 of file VariablePCATransform.cxx.

const TMVA::Event * TMVA::VariablePCATransform::Transform	(	const Event * const	ev,
		Int_t	cls
	)		const

virtual

apply the principal component analysis

Implements TMVA::VariableTransformBase.

Definition at line 122 of file VariablePCATransform.cxx.

void TMVA::VariablePCATransform::WriteTransformationToStream ( std::ostream & o ) const

virtual

write mean values to stream

Implements TMVA::VariableTransformBase.

Definition at line 308 of file VariablePCATransform.cxx.

void TMVA::VariablePCATransform::X2P	(	std::vector< Float_t > &	pc,
		const std::vector< Float_t > &	x,
		Int_t	cls
	)		const

private

Calculate the principal components from the original data vector x, and return it in p (function extracted from TPrincipal::X2P) It's the users responsibility to make sure that both x and p are of the right size (i.e., memory must be allocated for p)

Definition at line 273 of file VariablePCATransform.cxx.