class TMVA::VariablePCATransform: public TMVA::VariableTransformBase

Function Members (Methods)

public:

virtual	~VariablePCATransform()
void	TObject::AbstractMethod(const char* method) const
virtual void	TObject::AppendPad(Option_t* option = "")
virtual void	AttachXMLTo(void* parent)
virtual void	TObject::Browse(TBrowser* b)
static TClass*	Class()
virtual const char*	TObject::ClassName() const
virtual void	TObject::Clear(Option_t* = "")
virtual TObject*	TObject::Clone(const char* newname = "") const
virtual Int_t	TObject::Compare(const TObject* obj) const
virtual void	TObject::Copy(TObject& object) const
virtual void	TObject::Delete(Option_t* option = "")MENU
virtual Int_t	TObject::DistancetoPrimitive(Int_t px, Int_t py)
virtual void	TObject::Draw(Option_t* option = "")
virtual void	TObject::DrawClass() constMENU
virtual TObject*	TObject::DrawClone(Option_t* option = "") constMENU
virtual void	TObject::Dump() constMENU
virtual void	TObject::Error(const char* method, const char* msgfmt) const
virtual void	TObject::Execute(const char* method, const char* params, Int_t* error = 0)
virtual void	TObject::Execute(TMethod* method, TObjArray* params, Int_t* error = 0)
virtual void	TObject::ExecuteEvent(Int_t event, Int_t px, Int_t py)
virtual void	TObject::Fatal(const char* method, const char* msgfmt) const
virtual TObject*	TObject::FindObject(const char* name) const
virtual TObject*	TObject::FindObject(const TObject* obj) const
virtual Option_t*	TObject::GetDrawOption() const
static Long_t	TObject::GetDtorOnly()
virtual const char*	TObject::GetIconName() const
virtual const char*	TMVA::VariableTransformBase::GetName() const
virtual char*	TObject::GetObjectInfo(Int_t px, Int_t py) const
static Bool_t	TObject::GetObjectStat()
virtual Option_t*	TObject::GetOption() const
TString	TMVA::VariableTransformBase::GetShortName() const
virtual const char*	TObject::GetTitle() const
virtual vector<TString>*	TMVA::VariableTransformBase::GetTransformationStrings(Int_t cls) const
virtual UInt_t	TObject::GetUniqueID() const
TMVA::Types::EVariableTransform	TMVA::VariableTransformBase::GetVariableTransform() const
virtual Bool_t	TObject::HandleTimer(TTimer* timer)
virtual ULong_t	TObject::Hash() const
virtual void	TObject::Info(const char* method, const char* msgfmt) const
virtual Bool_t	TObject::InheritsFrom(const char* classname) const
virtual Bool_t	TObject::InheritsFrom(const TClass* cl) const
virtual void	Initialize()
virtual void	TObject::Inspect() constMENU
virtual const TMVA::Event*	InverseTransform(const TMVA::Event *const, Int_t cls) const
void	TObject::InvertBit(UInt_t f)
virtual TClass*	IsA() const
Bool_t	TMVA::VariableTransformBase::IsCreated() const
Bool_t	TMVA::VariableTransformBase::IsEnabled() const
virtual Bool_t	TObject::IsEqual(const TObject* obj) const
virtual Bool_t	TObject::IsFolder() const
Bool_t	TMVA::VariableTransformBase::IsNormalised() const
Bool_t	TObject::IsOnHeap() const
virtual Bool_t	TObject::IsSortable() const
Bool_t	TObject::IsZombie() const
TMVA::MsgLogger&	TMVA::VariableTransformBase::Log() const
virtual void	TObject::ls(Option_t* option = "") const
virtual void	MakeFunction(ostream& fout, const TString& fncName, Int_t part, UInt_t trCounter, Int_t cls)
void	TObject::MayNotUse(const char* method) const
virtual Bool_t	TObject::Notify()
static void	TObject::operator delete(void* ptr)
static void	TObject::operator delete(void* ptr, void* vp)
static void	TObject::operator delete[](void* ptr)
static void	TObject::operator delete[](void* ptr, void* vp)
void*	TObject::operator new(size_t sz)
void*	TObject::operator new(size_t sz, void* vp)
void*	TObject::operator new[](size_t sz)
void*	TObject::operator new[](size_t sz, void* vp)
TObject&	TObject::operator=(const TObject& rhs)
virtual void	TObject::Paint(Option_t* option = "")
virtual void	TObject::Pop()
virtual Bool_t	PrepareTransformation(const vector<TMVA::Event,allocator<TMVA::Event> >&)
virtual void	TObject::Print(Option_t* option = "") const
virtual void	TMVA::VariableTransformBase::PrintTransformation(ostream&)
virtual Int_t	TObject::Read(const char* name)
virtual void	ReadFromXML(void* trfnode)
virtual void	ReadTransformationFromStream(istream&, const TString&)
virtual void	TObject::RecursiveRemove(TObject* obj)
void	TObject::ResetBit(UInt_t f)
virtual void	TObject::SaveAs(const char* filename = "", Option_t* option = "") constMENU
virtual void	TObject::SavePrimitive(basic_ostream<char,char_traits<char> >& out, Option_t* option = "")
void	TObject::SetBit(UInt_t f)
void	TObject::SetBit(UInt_t f, Bool_t set)
virtual void	TObject::SetDrawOption(Option_t* option = "")MENU
static void	TObject::SetDtorOnly(void* obj)
void	TMVA::VariableTransformBase::SetEnabled(Bool_t e)
void	TMVA::VariableTransformBase::SetNormalise(Bool_t n)
static void	TObject::SetObjectStat(Bool_t stat)
void	TMVA::VariableTransformBase::SetTMVAVersion(TMVA::TMVAVersion_t v)
virtual void	TObject::SetUniqueID(UInt_t uid)
void	TMVA::VariableTransformBase::SetUseSignalTransform(Bool_t e = kTRUE)
virtual void	ShowMembers(TMemberInspector& insp, char* parent)
virtual void	Streamer(TBuffer& b)
void	StreamerNVirtual(TBuffer& b)
virtual void	TObject::SysError(const char* method, const char* msgfmt) const
const vector<TMVA::VariableInfo>&	TMVA::VariableTransformBase::Targets() const
Bool_t	TObject::TestBit(UInt_t f) const
Int_t	TObject::TestBits(UInt_t f) const
virtual const TMVA::Event*	Transform(const TMVA::Event *const, Int_t cls) const
virtual void	TObject::UseCurrentStyle()
Bool_t	TMVA::VariableTransformBase::UseSignalTransform() const
TMVA::VariablePCATransform	VariablePCATransform(TMVA::DataSetInfo& dsi)
TMVA::VariablePCATransform	VariablePCATransform(const TMVA::VariablePCATransform&)
const vector<TMVA::VariableInfo>&	TMVA::VariableTransformBase::Variables() const
virtual void	TObject::Warning(const char* method, const char* msgfmt) const
virtual Int_t	TObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0)
virtual Int_t	TObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0) const
virtual void	WriteTransformationToStream(ostream&) const

protected:

void	TMVA::VariableTransformBase::CalcNorm(const vector<TMVA::Event,allocator<TMVA::Event> >&)
virtual void	TObject::DoError(int level, const char* location, const char* fmt, va_list va) const
Int_t	TMVA::VariableTransformBase::GetNClasses() const
UInt_t	TMVA::VariableTransformBase::GetNTargets() const
UInt_t	TMVA::VariableTransformBase::GetNVariables() const
void	TObject::MakeZombie()
void	TMVA::VariableTransformBase::SetCreated(Bool_t c = kTRUE)
void	TMVA::VariableTransformBase::SetName(const TString& c)
void	TMVA::VariableTransformBase::SetNVariables(UInt_t i)
vector<TMVA::VariableInfo>&	TMVA::VariableTransformBase::Targets()
vector<TMVA::VariableInfo>&	TMVA::VariableTransformBase::Variables()

private:

void	CalculatePrincipalComponents(const vector<TMVA::Event,allocator<TMVA::Event> >&)
vector<Float_t>	X2P(const vector<Float_t>&, Int_t cls) const

Data Members

public:

enum TObject::EStatusBits {	kCanDelete
	kMustCleanup
	kObjInCanvas
	kIsReferenced
	kHasUUID
	kCannotPick
	kNoContextMenu
	kInvalidObject
};
enum TObject::[unnamed] {	kIsOnHeap
	kNotDeleted
	kZombie
	kBitMask
	kSingleKey
	kOverwrite
	kWriteDelete
};

protected:

TMVA::Event*	TMVA::VariableTransformBase::fBackTransformedEvent	holds the current back-transformed event
TMVA::DataSetInfo&	TMVA::VariableTransformBase::fDsi
TMVA::MsgLogger*	TMVA::VariableTransformBase::fLogger	! message logger
TMVA::TMVAVersion_t	TMVA::VariableTransformBase::fTMVAVersion
TMVA::Event*	TMVA::VariableTransformBase::fTransformedEvent	holds the current transformed event

private:

vector<TMatrixD*>	fEigenVectors	eigenvectors
vector<TVectorD*>	fMeanValues	mean values

Class Charts

Inheritance Inherited Members Includes Libraries

Function documentation

VariablePCATransform( DataSetInfo& dsi )

 constructor

~VariablePCATransform()

 destructor

void Initialize()

 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.

Bool_t PrepareTransformation(const vector<TMVA::Event*,allocator<TMVA::Event*> >& )

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

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

 apply the principal component analysis

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

 apply the principal component analysis
 TODO: implementation of inverse transformation

void CalculatePrincipalComponents(const vector<TMVA::Event*,allocator<TMVA::Event*> >& )

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

std::vector<Float_t> X2P(const 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)

void WriteTransformationToStream(ostream& ) const

 write mean values to stream

void AttachXMLTo(void* parent)

 create XML description of PCA transformation

void ReadFromXML(void* trfnode)

 Read the transformation matrices from the xml node

void ReadTransformationFromStream(istream& , const TString& )

 Read mean values from input stream

void MakeFunction(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

VariablePCATransform( DataSetInfo& dsi )