TMVA::kNN::ModulekNN Class Reference

Definition at line 103 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	Add (const Event &event)
	add an event to tree More...
void	Clear ()
	clean up 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 previously 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 Event &	GetkNNEvent () const
const List &	GetkNNList () const
const std::map< Int_t, Double_t > &	GetMetric () const
const VarMap &	GetVarMap () const
void	Print () const
	print More...
void	Print (std::ostream &os) const
	print More...

Private Member Functions
void	ComputeMetric (UInt_t ifrac)
	compute scale factor for each variable (dimension) so that distance is computed uniformly 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...
MsgLogger &	Log () const
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...
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...

Static Private Member Functions
static TRandom3 &	GetRndmThreadLocal ()

Private Attributes
std::map< Short_t, UInt_t >	fCount
UInt_t	fDimn
EventVec	fEvent
Event	fkNNEvent
List	fkNNList
MsgLogger *	fLogger
Node< Event > *	fTree
VarMap	fVar
std::map< Int_t, Double_t >	fVarScale

#include <TMVA/ModulekNN.h>

Member Typedef Documentation

VarMap

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

Definition at line 107 of file ModulekNN.h.

Constructor & Destructor Documentation

ModulekNN()

TMVA::kNN::ModulekNN::ModulekNN

(

)

default constructor

Definition at line 173 of file ModulekNN.cxx.

~ModulekNN()

TMVA::kNN::ModulekNN::~ModulekNN

(

)

destructor

Definition at line 183 of file ModulekNN.cxx.

Member Function Documentation

Add()

void TMVA::kNN::ModulekNN::Add

(

const Event &

event

)

add an event to tree

Definition at line 212 of file ModulekNN.cxx.

Clear()

void TMVA::kNN::ModulekNN::Clear

(

)

clean up

Definition at line 194 of file ModulekNN.cxx.

ComputeMetric()

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

private

compute scale factor for each variable (dimension) so that distance is computed uniformly 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 542 of file ModulekNN.cxx.

Fill()

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

fill the tree

Definition at line 245 of file ModulekNN.cxx.

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 previously computed width of variable distribution

Definition at line 348 of file ModulekNN.cxx.

Find() [2/2]

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

find in tree

Definition at line 393 of file ModulekNN.cxx.

GetEventVec()

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

inline

Definition at line 212 of file ModulekNN.h.

GetkNNEvent()

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

inline

Definition at line 208 of file ModulekNN.h.

GetkNNList()

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

inline

Definition at line 204 of file ModulekNN.h.

GetMetric()

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

inline

Definition at line 220 of file ModulekNN.h.

GetRndmThreadLocal()

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

inlinestaticprivate

Definition at line 147 of file ModulekNN.h.

GetVarMap()

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

inline

Definition at line 216 of file ModulekNN.h.

Log()

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

inlineprivate

Definition at line 164 of file ModulekNN.h.

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 449 of file ModulekNN.cxx.

Print() [1/2]

void TMVA::kNN::ModulekNN::Print

(

)

const

print

Definition at line 662 of file ModulekNN.cxx.

Print() [2/2]

void TMVA::kNN::ModulekNN::Print

(

std::ostream &

os

)

const

print

Definition at line 670 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 628 of file ModulekNN.cxx.

Member Data Documentation

fCount

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

private

Definition at line 158 of file ModulekNN.h.

fDimn

UInt_t TMVA::kNN::ModulekNN::fDimn

private

Definition at line 149 of file ModulekNN.h.

fEvent

EventVec TMVA::kNN::ModulekNN::fEvent

private

Definition at line 160 of file ModulekNN.h.

fkNNEvent

Event TMVA::kNN::ModulekNN::fkNNEvent

mutableprivate

Definition at line 156 of file ModulekNN.h.

fkNNList

List TMVA::kNN::ModulekNN::fkNNList

mutableprivate

Definition at line 155 of file ModulekNN.h.

fLogger

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

mutableprivate

Definition at line 163 of file ModulekNN.h.

fTree

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

private

Definition at line 151 of file ModulekNN.h.

fVar

VarMap TMVA::kNN::ModulekNN::fVar

private

Definition at line 161 of file ModulekNN.h.

fVarScale

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

private

Definition at line 153 of file ModulekNN.h.

Libraries for TMVA::kNN::ModulekNN:

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