Definition at line 111 of file ModulekNN.h.

Public Types
typedef std::map< int, std::vector< Double_t > >	VarMap

Public Member Functions
	ModulekNN ()
	default constructor More...

	~ModulekNN ()
	destructor More...

void	Clear ()
	clean up More...

void	Add (const Event &event)
	add an event to tree More...

Bool_t	Fill (const UShort_t odepth, UInt_t ifrac, const std::string &option="")
	fill the tree More...

Bool_t	Find (Event event, UInt_t nfind=100, const std::string &option="count") const
	find in tree if tree has been filled then search for nfind closest events if metic (fVarScale map) is computed then rescale event variables using previsouly computed width of variable distribution More...

Bool_t	Find (UInt_t nfind, const std::string &option) const
	find in tree More...

const EventVec &	GetEventVec () const

const List &	GetkNNList () const

const Event &	GetkNNEvent () const

const VarMap &	GetVarMap () const

const std::map< Int_t, Double_t > &	GetMetric () const

void	Print () const
	print More...

void	Print (std::ostream &os) const
	print More...

Private Member Functions
Node< Event > *	Optimize (UInt_t optimize_depth)
	Optimize() balances binary tree for first odepth levels for each depth we split sorted depth % dimension variables into 2^odepth parts. More...

void	ComputeMetric (UInt_t ifrac)
	compute scale factor for each variable (dimension) so that distance is computed uniformely along each dimension compute width of interval that includes (100 - 2*ifrac)% of events below, assume that in fVar each vector of values is sorted More...

const Event	Scale (const Event &event) const
	scale each event variable so that rms of variables is approximately 1.0 this allows comparisons of variables with distinct scales and units More...

MsgLogger &	Log () const

Static Private Member Functions
static TRandom3 &	GetRndmThreadLocal ()

Private Attributes
UInt_t	fDimn

Node< Event > *	fTree

std::map< Int_t, Double_t >	fVarScale

List	fkNNList

Event	fkNNEvent

std::map< Short_t, UInt_t >	fCount

EventVec	fEvent

VarMap	fVar

MsgLogger *	fLogger

#include <TMVA/ModulekNN.h>

Collaboration diagram for TMVA::kNN::ModulekNN:

Member Typedef Documentation

§ VarMap

typedef std::map<int, std::vector<Double_t> > TMVA::kNN::ModulekNN::VarMap

Definition at line 115 of file ModulekNN.h.

Constructor & Destructor Documentation

§ ModulekNN()

TMVA::kNN::ModulekNN::ModulekNN ( )

default constructor

Definition at line 166 of file ModulekNN.cxx.

§ ~ModulekNN()

TMVA::kNN::ModulekNN::~ModulekNN ( )

destructor

Definition at line 176 of file ModulekNN.cxx.

Member Function Documentation

§ Add()

void TMVA::kNN::ModulekNN::Add ( const Event & event )

add an event to tree

Definition at line 205 of file ModulekNN.cxx.

Referenced by TMVA::MethodKNN::MakeKNN().

§ Clear()

void TMVA::kNN::ModulekNN::Clear ( )

clean up

Definition at line 187 of file ModulekNN.cxx.

Referenced by TMVA::MethodKNN::MakeKNN().

§ ComputeMetric()

void TMVA::kNN::ModulekNN::ComputeMetric ( UInt_t ifrac )

private

compute scale factor for each variable (dimension) so that distance is computed uniformely along each dimension compute width of interval that includes (100 - 2*ifrac)% of events below, assume that in fVar each vector of values is sorted

Definition at line 535 of file ModulekNN.cxx.

Referenced by Fill().

§ Fill()

Bool_t TMVA::kNN::ModulekNN::Fill	(	const UShort_t	odepth,
		UInt_t	ifrac,
		const std::string &	option = `""`
	)

fill the tree

Definition at line 238 of file ModulekNN.cxx.

Referenced by TMVA::MethodKNN::MakeKNN().

§ Find() [1/2]

Bool_t TMVA::kNN::ModulekNN::Find	(	Event	event,
		UInt_t	nfind = `100`,
		const std::string &	option = `"count"`
	)		const

find in tree if tree has been filled then search for nfind closest events if metic (fVarScale map) is computed then rescale event variables using previsouly computed width of variable distribution

Definition at line 341 of file ModulekNN.cxx.

Referenced by Find(), TMVA::MethodKNN::GetMvaValue(), and TMVA::MethodKNN::GetRegressionValues().

§ Find() [2/2]

Bool_t TMVA::kNN::ModulekNN::Find	(	UInt_t	nfind,
		const std::string &	option
	)		const

find in tree

Definition at line 386 of file ModulekNN.cxx.

§ GetEventVec()

const EventVec & TMVA::kNN::ModulekNN::GetEventVec ( ) const

inline

Definition at line 220 of file ModulekNN.h.

§ GetkNNEvent()

const Event & TMVA::kNN::ModulekNN::GetkNNEvent ( ) const

inline

Definition at line 216 of file ModulekNN.h.

§ GetkNNList()

const List & TMVA::kNN::ModulekNN::GetkNNList ( ) const

inline

Definition at line 212 of file ModulekNN.h.

Referenced by TMVA::MethodKNN::GetMvaValue(), and TMVA::MethodKNN::GetRegressionValues().

§ GetMetric()

const std::map< Int_t, Double_t > & TMVA::kNN::ModulekNN::GetMetric ( ) const

inline

Definition at line 228 of file ModulekNN.h.

§ GetRndmThreadLocal()

static TRandom3& TMVA::kNN::ModulekNN::GetRndmThreadLocal ( )

inlinestaticprivate

Definition at line 155 of file ModulekNN.h.

Referenced by Find().

§ GetVarMap()

const ModulekNN::VarMap & TMVA::kNN::ModulekNN::GetVarMap ( ) const

inline

Definition at line 224 of file ModulekNN.h.

§ Log()

MsgLogger& TMVA::kNN::ModulekNN::Log ( ) const

inlineprivate

Definition at line 172 of file ModulekNN.h.

Referenced by Add(), ComputeMetric(), Fill(), Find(), Optimize(), Print(), and Scale().

§ Optimize()

TMVA::kNN::Node< TMVA::kNN::Event > * TMVA::kNN::ModulekNN::Optimize ( UInt_t optimize_depth )

private

Optimize() balances binary tree for first odepth levels for each depth we split sorted depth % dimension variables into 2^odepth parts.

Definition at line 442 of file ModulekNN.cxx.

Referenced by Fill().

§ Print() [1/2]

void TMVA::kNN::ModulekNN::Print ( ) const

print

Definition at line 655 of file ModulekNN.cxx.

§ Print() [2/2]

void TMVA::kNN::ModulekNN::Print ( std::ostream & os ) const

print

Definition at line 663 of file ModulekNN.cxx.

§ Scale()

const TMVA::kNN::Event TMVA::kNN::ModulekNN::Scale ( const Event & event ) const

private

scale each event variable so that rms of variables is approximately 1.0 this allows comparisons of variables with distinct scales and units

Definition at line 621 of file ModulekNN.cxx.

Referenced by ComputeMetric(), and Find().

Member Data Documentation

§ fCount

std::map<Short_t, UInt_t> TMVA::kNN::ModulekNN::fCount

private

Definition at line 166 of file ModulekNN.h.

Referenced by Add(), Clear(), Fill(), and Find().

§ fDimn

UInt_t TMVA::kNN::ModulekNN::fDimn

private

Definition at line 155 of file ModulekNN.h.

Referenced by Add(), Clear(), ComputeMetric(), Fill(), Find(), and Optimize().

§ fEvent

EventVec TMVA::kNN::ModulekNN::fEvent

private

Definition at line 168 of file ModulekNN.h.

Referenced by Add(), Clear(), ComputeMetric(), and Fill().

§ fkNNEvent

Event TMVA::kNN::ModulekNN::fkNNEvent

mutableprivate

Definition at line 164 of file ModulekNN.h.

Referenced by Find(), and Print().

§ fkNNList

List TMVA::kNN::ModulekNN::fkNNList

mutableprivate

Definition at line 163 of file ModulekNN.h.

Referenced by Find(), and Print().

§ fLogger

MsgLogger* TMVA::kNN::ModulekNN::fLogger

mutableprivate

Definition at line 171 of file ModulekNN.h.

Referenced by ~ModulekNN().

§ fTree

Node<Event>* TMVA::kNN::ModulekNN::fTree

private

Definition at line 159 of file ModulekNN.h.

Referenced by Add(), Clear(), Fill(), Find(), and ~ModulekNN().

§ fVar

VarMap TMVA::kNN::ModulekNN::fVar

private

Definition at line 169 of file ModulekNN.h.

Referenced by Add(), Clear(), ComputeMetric(), Fill(), Find(), and Optimize().

§ fVarScale

std::map<Int_t, Double_t> TMVA::kNN::ModulekNN::fVarScale

private

Definition at line 161 of file ModulekNN.h.

Referenced by Clear(), ComputeMetric(), Find(), and Scale().

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

tmva/tmva/inc/TMVA/ModulekNN.h
tmva/tmva/src/ModulekNN.cxx

Public Types

Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Member Typedef Documentation

§ VarMap

Constructor & Destructor Documentation

§ ModulekNN()

§ ~ModulekNN()

Member Function Documentation

§ Add()

§ Clear()

§ ComputeMetric()

§ Fill()

§ Find() [1/2]

§ Find() [2/2]

§ GetEventVec()

§ GetkNNEvent()

§ GetkNNList()

§ GetMetric()

§ GetRndmThreadLocal()

§ GetVarMap()

§ Log()

§ Optimize()

§ Print() [1/2]

§ Print() [2/2]

§ Scale()

Member Data Documentation

§ fCount

§ fDimn

§ fEvent

§ fkNNEvent

§ fkNNList

§ fLogger

§ fTree

§ fVar

§ fVarScale