Global auxiliary applications and data treatment routines.

Definition at line 80 of file Tools.h.

Public Types
enum	ECitation { kPlainText = 1 , kBibTeX , kLaTeX , kHtmlLink }

enum	EWelcomeMessage { kStandardWelcomeMsg = 1 , kIsometricWelcomeMsg , kBlockWelcomeMsg , kLeanWelcomeMsg , kLogoWelcomeMsg , kSmall1WelcomeMsg , kSmall2WelcomeMsg , kOriginalWelcomeMsgColor , kOriginalWelcomeMsgBW }

Public Member Functions
	~Tools ()
	destructor More...

template<typename T >
void	AddAttr (void node, const char , const T &value, Int_t precision=16)
	add attribute to xml More...

void	AddAttr (void node, const char attrname, const char *value)
	add attribute to node More...

void *	AddChild (void parent, const char childname, const char *content=0, bool isRootNode=false)
	add child node More...

Bool_t	AddComment (void node, const char comment)

Bool_t	AddRawLine (void node, const char raw)
	XML helpers. More...

std::vector< TMatrixDSym * > *	CalcCovarianceMatrices (const std::vector< const Event * > &events, Int_t maxCls, VariableTransformBase *transformBase=0)

std::vector< TMatrixDSym * > *	CalcCovarianceMatrices (const std::vector< Event * > &events, Int_t maxCls, VariableTransformBase *transformBase=0)
	compute covariance matrices More...

Bool_t	CheckForSilentOption (const TString &) const
	check for "silence" option in configuration option string More...

Bool_t	CheckForVerboseOption (const TString &) const
	check if verbosity "V" set in option More...

Bool_t	CheckSplines (const TH1 , const TSpline )
	check quality of splining by comparing splines and histograms in each bin More...

const TString &	Color (const TString &)
	human readable color strings More...

void	ComputeStat (const std::vector< TMVA::Event * > &, std::vector< Float_t > *, Double_t &, Double_t &, Double_t &, Double_t &, Double_t &, Double_t &, Int_t signalClass, Bool_t norm=kFALSE)
	sanity check More...

Double_t	ComputeVariance (Double_t sumx2, Double_t sumx, Int_t nx)
	compute variance from given sums More...

Bool_t	ContainsRegularExpression (const TString &s)
	check if regular expression helper function to search for "$!%^&()'<>?= " in a string More...

void	FormattedOutput (const std::vector< Double_t > &, const std::vector< TString > &, const TString titleVars, const TString titleValues, MsgLogger &logger, TString format="%+1.3f")
	formatted output of simple table More...

void	FormattedOutput (const TMatrixD &, const std::vector< TString > &, MsgLogger &logger)
	formatted output of matrix (with labels) More...

void	FormattedOutput (const TMatrixD &, const std::vector< TString > &vert, const std::vector< TString > &horiz, MsgLogger &logger)
	formatted output of matrix (with labels) More...

void *	GetChild (void parent, const char childname=0)
	get child node More...

const char *	GetContent (void *node)
	XML helpers. More...

const TMatrixD *	GetCorrelationMatrix (const TMatrixD *covMat)
	turns covariance into correlation matrix More...

Double_t	GetCorrelationRatio (const TH2F &)
	Compute Correlation Ratio of 2D histogram to estimate functional dependency between two variables Author: Moritz Backes, Geneva (2009) More...

TH1 *	GetCumulativeDist (TH1 *h)
	get the cumulative distribution of a histogram More...

Int_t	GetIndexMaxElement (std::vector< Double_t > &)
	find index of maximum entry in vector More...

Int_t	GetIndexMinElement (std::vector< Double_t > &)
	find index of minimum entry in vector More...

Double_t	GetMutualInformation (const TH2F &)
	Mutual Information method for non-linear correlations estimates in 2D histogram Author: Moritz Backes, Geneva (2009) More...

const char *	GetName (void *node)
	XML helpers. More...

void *	GetNextChild (void prevchild, const char childname=0)
	XML helpers. More...

void *	GetParent (void *child)
	get parent node More...

Double_t	GetSeparation (const PDF &pdfS, const PDF &pdfB) const
	compute "separation" defined as More...

Double_t	GetSeparation (TH1 S, TH1 B) const
	compute "separation" defined as More...

TMatrixD *	GetSQRootMatrix (TMatrixDSym *symMat)
	square-root of symmetric matrix of course the resulting sqrtMat is also symmetric, but it's easier to treat it as a general matrix More...

TString	GetXTitleWithUnit (const TString &title, const TString &unit)
	histogramming utility More...

TString	GetYTitleWithUnit (const TH1 &h, const TString &unit, Bool_t normalised)
	histogramming utility More...

Bool_t	HasAttr (void node, const char attrname)
	add attribute from xml More...

Bool_t	HistoHasEquidistantBins (const TH1 &h)

MsgLogger &	Log () const

template<typename Iterator , typename WeightIterator >
Double_t	Mean (Iterator first, Iterator last, WeightIterator w)
	Return the weighted mean of an array defined by the first and last iterators. More...

template<typename T >
Double_t	Mean (Long64_t n, const T a, const Double_t w=0)
	Return the weighted mean of an array a with length n. More...

std::vector< Double_t >	MVADiff (std::vector< Double_t > &, std::vector< Double_t > &)
	computes difference between two vectors More...

Double_t	NormHist (TH1 *theHist, Double_t norm=1.0)
	normalises histogram More...

Double_t	NormVariable (Double_t x, Double_t xmin, Double_t xmax)
	normalise to output range: [-1, 1] More...

std::vector< Int_t > *	ParseANNOptionString (TString theOptions, Int_t nvar, std::vector< Int_t > *nodes)
	parse option string for ANN methods default settings (should be defined in theOption string) More...

TList *	ParseFormatLine (TString theString, const char *sep=":")
	Parse the string and cut into labels separated by ":". More...

TH1 *	projNormTH1F (TTree *theTree, const TString &theVarName, const TString &name, Int_t nbins, Double_t xmin, Double_t xmax, const TString &cut)
	projects variable from tree into normalised histogram More...

void	ReadAttr (void node, const char , float &value)

void	ReadAttr (void node, const char , int &value)

void	ReadAttr (void node, const char , short &value)

template<typename T >
void	ReadAttr (void node, const char , T &value)
	read attribute from xml More...

void	ReadAttr (void node, const char attrname, TString &value)
	add attribute from xml More...

void	ReadFloatArbitraryPrecision (Float_t &val, std::istream &is)
	reads a float value with the available precision from a stream More...

void	ReadTMatrixDFromXML (void node, const char name, TMatrixD *mat)

void	ReadTVectorDFromXML (void node, const char name, TVectorD *vec)

TString	ReplaceRegularExpressions (const TString &s, const TString &replace="+")
	replace regular expressions helper function to remove all occurrences "$!%^&()'<>?= " from a string and replace all ::,$,*,/,+,- with M,S,T,D,P,M respectively More...

template<typename Iterator , typename WeightIterator >
Double_t	RMS (Iterator first, Iterator last, WeightIterator w)
	Return the Standard Deviation of an array defined by the iterators. More...

template<typename T >
Double_t	RMS (Long64_t n, const T a, const Double_t w=0)
	Return the Standard Deviation of an array a with length n. More...

void	ROOTVersionMessage (MsgLogger &logger)
	prints the ROOT release number and date More...

void	Scale (std::vector< Double_t > &, Double_t)
	scales double vector More...

void	Scale (std::vector< Float_t > &, Float_t)
	scales float vector More...

void	SetXMLEngineBufferSize (int buffer)

std::vector< TString >	SplitString (const TString &theOpt, const char separator) const
	splits the option string at 'separator' and fills the list 'splitV' with the primitive strings More...

TString	StringFromDouble (Double_t d)
	string tools More...

TString	StringFromInt (Long_t i)
	string tools More...

void	TMVACitation (MsgLogger &logger, ECitation citType=kPlainText)
	kinds of TMVA citation More...

void	TMVAVersionMessage (MsgLogger &logger)
	prints the TMVA release number and date More...

void	TMVAWelcomeMessage ()
	direct output, eg, when starting ROOT session -> no use of Logger here More...

void	TMVAWelcomeMessage (MsgLogger &logger, EWelcomeMessage m=kStandardWelcomeMsg)
	various kinds of welcome messages ASCII text generated by this site: http://www.network-science.de/ascii/ More...

TH2F *	TransposeHist (const TH2F &)
	Transpose quadratic histogram. More...

void	UsefulSortAscending (std::vector< Double_t > &)
	sort vector More...

void	UsefulSortAscending (std::vector< std::vector< Double_t > > &, std::vector< TString > *vs=0)
	sort 2D vector (AND in parallel a TString vector) in such a way that the "first vector is sorted" and the other vectors are reshuffled in the same way as necessary to have the first vector sorted. More...

void	UsefulSortDescending (std::vector< Double_t > &)
	sort vector More...

void	UsefulSortDescending (std::vector< std::vector< Double_t > > &, std::vector< TString > *vs=0)
	sort 2D vector (AND in parallel a TString vector) in such a way that the "first vector is sorted" and the other vectors are reshuffled in the same way as necessary to have the first vector sorted. More...

void	WriteFloatArbitraryPrecision (Float_t val, std::ostream &os)
	writes a float value with the available precision to a stream More...

void	WriteTMatrixDToXML (void node, const char name, TMatrixD *mat)
	XML helpers. More...

void	WriteTVectorDToXML (void node, const char name, TVectorD *vec)

TXMLEngine &	xmlengine ()

int	xmlenginebuffersize ()

Static Public Member Functions
static void	DestroyInstance ()

static Tools &	Instance ()

Public Attributes
MsgLogger *	fLogger

const TString	fRegexp

TXMLEngine *	fXMLEngine

Static Public Attributes
static Tools *	fgTools = 0

Private Member Functions
	Tools ()
	constructor More...

Double_t	GetYMean_binX (const TH2 &, Int_t bin_x)
	Compute the mean in Y for a given bin X of a 2D histogram. More...

Private Attributes
int	fXMLBufferSize = 10000000

#include <TMVA/Tools.h>

Member Enumeration Documentation

◆ ECitation

enum TMVA::Tools::ECitation

Enumerator
kPlainText
kBibTeX
kLaTeX
kHtmlLink

Definition at line 213 of file Tools.h.

◆ EWelcomeMessage

enum TMVA::Tools::EWelcomeMessage

Enumerator
kStandardWelcomeMsg
kIsometricWelcomeMsg
kBlockWelcomeMsg
kLeanWelcomeMsg
kLogoWelcomeMsg
kSmall1WelcomeMsg
kSmall2WelcomeMsg
kOriginalWelcomeMsgColor
kOriginalWelcomeMsgBW

Definition at line 202 of file Tools.h.

Constructor & Destructor Documentation

◆ Tools()

TMVA::Tools::Tools ( )

private

constructor

Definition at line 103 of file Tools.cxx.

◆ ~Tools()

TMVA::Tools::~Tools ( )

destructor

Definition at line 113 of file Tools.cxx.

Member Function Documentation

◆ AddAttr() [1/2]

template<typename T >

void TMVA::Tools::AddAttr	(	void *	node,
		const char *	attrname,
		const T &	value,
		Int_t	precision = `16`
	)

add attribute to xml

Definition at line 355 of file Tools.h.

◆ AddAttr() [2/2]

void TMVA::Tools::AddAttr	(	void *	node,
		const char *	attrname,
		const char *	value
	)

add attribute to node

Definition at line 1127 of file Tools.cxx.

◆ AddChild()

void * TMVA::Tools::AddChild	(	void *	parent,
		const char *	childname,
		const char *	content = `0`,
		bool	isRootNode = `false`
	)

add child node

Definition at line 1136 of file Tools.cxx.

◆ AddComment()

Bool_t TMVA::Tools::AddComment	(	void *	node,
		const char *	comment
	)

Definition at line 1144 of file Tools.cxx.

◆ AddRawLine()

Bool_t TMVA::Tools::AddRawLine	(	void *	node,
		const char *	raw
	)

XML helpers.

Definition at line 1202 of file Tools.cxx.

◆ CalcCovarianceMatrices() [1/2]

std::vector< TMatrixDSym * > * TMVA::Tools::CalcCovarianceMatrices	(	const std::vector< const Event * > &	events,
		Int_t	maxCls,
		VariableTransformBase *	transformBase = `0`
	)

Definition at line 1507 of file Tools.cxx.

◆ CalcCovarianceMatrices() [2/2]

std::vector< TMatrixDSym * > * TMVA::Tools::CalcCovarianceMatrices	(	const std::vector< Event * > &	events,
		Int_t	maxCls,
		VariableTransformBase *	transformBase = `0`
	)

compute covariance matrices

Definition at line 1526 of file Tools.cxx.

◆ CheckForSilentOption()

Bool_t TMVA::Tools::CheckForSilentOption ( const TString & cs ) const

check for "silence" option in configuration option string

Definition at line 703 of file Tools.cxx.

◆ CheckForVerboseOption()

Bool_t TMVA::Tools::CheckForVerboseOption ( const TString & cs ) const

check if verbosity "V" set in option

Definition at line 720 of file Tools.cxx.

◆ CheckSplines()

Bool_t TMVA::Tools::CheckSplines	(	const TH1 *	theHist,
		const TSpline *	theSpline
	)

check quality of splining by comparing splines and histograms in each bin

Definition at line 491 of file Tools.cxx.

◆ Color()

const TString & TMVA::Tools::Color ( const TString & c )

human readable color strings

Definition at line 840 of file Tools.cxx.

◆ ComputeStat()

void TMVA::Tools::ComputeStat	(	const std::vector< TMVA::Event * > &	events,
		std::vector< Float_t > *	valVec,
		Double_t &	meanS,
		Double_t &	meanB,
		Double_t &	rmsS,
		Double_t &	rmsB,
		Double_t &	xmin,
		Double_t &	xmax,
		Int_t	signalClass,
		Bool_t	norm = `kFALSE`
	)

sanity check

Definition at line 214 of file Tools.cxx.

◆ ComputeVariance()

Double_t TMVA::Tools::ComputeVariance	(	Double_t	sumx2,
		Double_t	sumx,
		Int_t	nx
	)

inline

compute variance from given sums

Definition at line 366 of file Tools.h.

◆ ContainsRegularExpression()

Bool_t TMVA::Tools::ContainsRegularExpression ( const TString & s )

check if regular expression helper function to search for "$!%^&()'<>?= " in a string

Definition at line 796 of file Tools.cxx.

◆ DestroyInstance()

void TMVA::Tools::DestroyInstance ( )

static

Definition at line 90 of file Tools.cxx.

◆ FormattedOutput() [1/3]

void TMVA::Tools::FormattedOutput	(	const std::vector< Double_t > &	values,
		const std::vector< TString > &	V,
		const TString	titleVars,
		const TString	titleValues,
		MsgLogger &	logger,
		TString	format = `"%+1.3f"`
	)

formatted output of simple table

Definition at line 899 of file Tools.cxx.

◆ FormattedOutput() [2/3]

void TMVA::Tools::FormattedOutput	(	const TMatrixD &	M,
		const std::vector< TString > &	V,
		MsgLogger &	logger
	)

formatted output of matrix (with labels)

Definition at line 949 of file Tools.cxx.

◆ FormattedOutput() [3/3]

void TMVA::Tools::FormattedOutput	(	const TMatrixD &	M,
		const std::vector< TString > &	vert,
		const std::vector< TString > &	horiz,
		MsgLogger &	logger
	)

formatted output of matrix (with labels)

Definition at line 997 of file Tools.cxx.

◆ GetChild()

void * TMVA::Tools::GetChild	(	void *	parent,
		const char *	childname = `0`
	)

get child node

Definition at line 1162 of file Tools.cxx.

◆ GetContent()

const char * TMVA::Tools::GetContent ( void * node )

XML helpers.

Definition at line 1186 of file Tools.cxx.

◆ GetCorrelationMatrix()

const TMatrixD * TMVA::Tools::GetCorrelationMatrix ( const TMatrixD * covMat )

turns covariance into correlation matrix

Definition at line 336 of file Tools.cxx.

◆ GetCorrelationRatio()

Double_t TMVA::Tools::GetCorrelationRatio ( const TH2F & h_ )

Compute Correlation Ratio of 2D histogram to estimate functional dependency between two variables Author: Moritz Backes, Geneva (2009)

Definition at line 632 of file Tools.cxx.

◆ GetCumulativeDist()

TH1 * TMVA::Tools::GetCumulativeDist ( TH1 * h )

get the cumulative distribution of a histogram

Definition at line 1772 of file Tools.cxx.

◆ GetIndexMaxElement()

Int_t TMVA::Tools::GetIndexMaxElement ( std::vector< Double_t > & v )

find index of maximum entry in vector

Definition at line 760 of file Tools.cxx.

◆ GetIndexMinElement()

Int_t TMVA::Tools::GetIndexMinElement ( std::vector< Double_t > & v )

find index of minimum entry in vector

Definition at line 777 of file Tools.cxx.

◆ GetMutualInformation()

Double_t TMVA::Tools::GetMutualInformation ( const TH2F & h_ )

Mutual Information method for non-linear correlations estimates in 2D histogram Author: Moritz Backes, Geneva (2009)

Definition at line 601 of file Tools.cxx.

◆ GetName()

const char * TMVA::Tools::GetName ( void * node )

XML helpers.

Definition at line 1194 of file Tools.cxx.

◆ GetNextChild()

void * TMVA::Tools::GetNextChild	(	void *	prevchild,
		const char *	childname = `0`
	)

XML helpers.

Definition at line 1174 of file Tools.cxx.

◆ GetParent()

void * TMVA::Tools::GetParent ( void * child )

get parent node

Definition at line 1152 of file Tools.cxx.

◆ GetSeparation() [1/2]

Double_t TMVA::Tools::GetSeparation	(	const PDF &	pdfS,
		const PDF &	pdfB
	)		const

compute "separation" defined as

\[ <s2> = \frac{1}{2} \int_{-\infty}^{+\infty} \frac{(S(x) - B(x))^2}{(S(x) + B(x))} dx \]

Definition at line 186 of file Tools.cxx.

◆ GetSeparation() [2/2]

Double_t TMVA::Tools::GetSeparation	(	TH1 *	S,
		TH1 *	B
	)		const

compute "separation" defined as

\[ <s2> = \frac{1}{2} \int_{-\infty}^{+\infty} \frac{(S(x) - B(x))^2}{(S(x) + B(x))} dx \]

Definition at line 133 of file Tools.cxx.

◆ GetSQRootMatrix()

TMatrixD * TMVA::Tools::GetSQRootMatrix ( TMatrixDSym * symMat )

square-root of symmetric matrix of course the resulting sqrtMat is also symmetric, but it's easier to treat it as a general matrix

Definition at line 283 of file Tools.cxx.

◆ GetXTitleWithUnit()

TString TMVA::Tools::GetXTitleWithUnit	(	const TString &	title,
		const TString &	unit
	)

histogramming utility

Definition at line 1052 of file Tools.cxx.

◆ GetYMean_binX()

Double_t TMVA::Tools::GetYMean_binX	(	const TH2 &	h,
		Int_t	bin_x
	)

private

Compute the mean in Y for a given bin X of a 2D histogram.

Definition at line 654 of file Tools.cxx.

◆ GetYTitleWithUnit()

TString TMVA::Tools::GetYTitleWithUnit	(	const TH1 &	h,
		const TString &	unit,
		Bool_t	normalised
	)

histogramming utility

Definition at line 1060 of file Tools.cxx.

◆ HasAttr()

Bool_t TMVA::Tools::HasAttr	(	void *	node,
		const char *	attrname
	)

add attribute from xml

Definition at line 1106 of file Tools.cxx.

◆ HistoHasEquidistantBins()

Bool_t TMVA::Tools::HistoHasEquidistantBins ( const TH1 & h )

Definition at line 1499 of file Tools.cxx.

◆ Instance()

TMVA::Tools & TMVA::Tools::Instance ( )

static

Definition at line 75 of file Tools.cxx.

◆ Log()

MsgLogger & TMVA::Tools::Log ( ) const

inline

Definition at line 232 of file Tools.h.

◆ Mean() [1/2]

template<typename Iterator , typename WeightIterator >

Double_t TMVA::Tools::Mean	(	Iterator	first,
		Iterator	last,
		WeightIterator	w
	)

Return the weighted mean of an array defined by the first and last iterators.

The w iterator should point to the first element of a vector of weights of the same size as the main array.

Definition at line 1654 of file Tools.cxx.

◆ Mean() [2/2]

template<typename T >

Double_t TMVA::Tools::Mean	(	Long64_t	n,
		const T *	a,
		const Double_t *	w = `0`
	)

Return the weighted mean of an array a with length n.

Definition at line 1703 of file Tools.cxx.

◆ MVADiff()

std::vector< Double_t > TMVA::Tools::MVADiff	(	std::vector< Double_t > &	a,
		std::vector< Double_t > &	b
	)

computes difference between two vectors

Definition at line 518 of file Tools.cxx.

◆ NormHist()

Double_t TMVA::Tools::NormHist	(	TH1 *	theHist,
		Double_t	norm = `1.0`
	)

normalises histogram

Definition at line 395 of file Tools.cxx.

◆ NormVariable()

Double_t TMVA::Tools::NormVariable	(	Double_t	x,
		Double_t	xmin,
		Double_t	xmax
	)

normalise to output range: [-1, 1]

Definition at line 122 of file Tools.cxx.

◆ ParseANNOptionString()

vector< Int_t > * TMVA::Tools::ParseANNOptionString	(	TString	theOptions,
		Int_t	nvar,
		std::vector< Int_t > *	nodes
	)

parse option string for ANN methods default settings (should be defined in theOption string)

format and syntax of option string: "3000:N:N+2:N-3:6"

where:

3000 - number of training cycles (epochs)
N - number of nodes in first hidden layer, where N is the number of discriminating variables used (note that the first ANN layer necessarily has N nodes, and hence is not given).
N+2 - number of nodes in 2nd hidden layer (2 nodes more than number of variables)
N-3 - number of nodes in 3rd hidden layer (3 nodes less than number of variables)
6 - 6 nodes in last (4th) hidden layer (note that the last ANN layer in MVA has 2 nodes, each one for signal and background classes)

Definition at line 455 of file Tools.cxx.

◆ ParseFormatLine()

TList * TMVA::Tools::ParseFormatLine	(	TString	theString,
		const char *	sep = `":"`
	)

Parse the string and cut into labels separated by ":".

Definition at line 413 of file Tools.cxx.

◆ projNormTH1F()

TH1 * TMVA::Tools::projNormTH1F	(	TTree *	theTree,
		const TString &	theVarName,
		const TString &	name,
		Int_t	nbins,
		Double_t	xmin,
		Double_t	xmax,
		const TString &	cut
	)

projects variable from tree into normalised histogram

Definition at line 378 of file Tools.cxx.

◆ ReadAttr() [1/5]

void TMVA::Tools::ReadAttr	(	void *	node,
		const char *	attrname,
		float &	value
	)

Definition at line 1795 of file Tools.cxx.

◆ ReadAttr() [2/5]

void TMVA::Tools::ReadAttr	(	void *	node,
		const char *	attrname,
		int &	value
	)

Definition at line 1807 of file Tools.cxx.

◆ ReadAttr() [3/5]

void TMVA::Tools::ReadAttr	(	void *	node,
		const char *	attrname,
		short &	value
	)

Definition at line 1819 of file Tools.cxx.

◆ ReadAttr() [4/5]

template<typename T >

void TMVA::Tools::ReadAttr	(	void *	node,
		const char *	attrname,
		T &	value
	)

inline

read attribute from xml

Definition at line 337 of file Tools.h.

◆ ReadAttr() [5/5]

void TMVA::Tools::ReadAttr	(	void *	node,
		const char *	attrname,
		TString &	value
	)

add attribute from xml

Definition at line 1114 of file Tools.cxx.

◆ ReadFloatArbitraryPrecision()

void TMVA::Tools::ReadFloatArbitraryPrecision	(	Float_t &	val,
		std::istream &	is
	)

reads a float value with the available precision from a stream

Definition at line 1085 of file Tools.cxx.

◆ ReadTMatrixDFromXML()

void TMVA::Tools::ReadTMatrixDFromXML	(	void *	node,
		const char *	name,
		TMatrixD *	mat
	)

Definition at line 1288 of file Tools.cxx.

◆ ReadTVectorDFromXML()

void TMVA::Tools::ReadTVectorDFromXML	(	void *	node,
		const char *	name,
		TVectorD *	vec
	)

Definition at line 1279 of file Tools.cxx.

◆ ReplaceRegularExpressions()

TString TMVA::Tools::ReplaceRegularExpressions	(	const TString &	s,
		const TString &	replace = `"+"`
	)

replace regular expressions helper function to remove all occurrences "$!%^&()'<>?= " from a string and replace all ::,$,*,/,+,- with M,S,T,D,P,M respectively

Definition at line 810 of file Tools.cxx.

◆ RMS() [1/2]

template<typename Iterator , typename WeightIterator >

Double_t TMVA::Tools::RMS	(	Iterator	first,
		Iterator	last,
		WeightIterator	w
	)

Return the Standard Deviation of an array defined by the iterators.

Note that this function returns the sigma(standard deviation) and not the root mean square of the array.

Definition at line 1718 of file Tools.cxx.

◆ RMS() [2/2]

template<typename T >

Double_t TMVA::Tools::RMS	(	Long64_t	n,
		const T *	a,
		const Double_t *	w = `0`
	)

Return the Standard Deviation of an array a with length n.

Note that this function returns the sigma(standard deviation) and not the root mean square of the array.

Definition at line 1759 of file Tools.cxx.

◆ ROOTVersionMessage()

void TMVA::Tools::ROOTVersionMessage ( MsgLogger & logger )

prints the ROOT release number and date

Definition at line 1337 of file Tools.cxx.

◆ Scale() [1/2]

void TMVA::Tools::Scale	(	std::vector< Double_t > &	v,
		Double_t	f
	)

scales double vector

Definition at line 531 of file Tools.cxx.

◆ Scale() [2/2]

void TMVA::Tools::Scale	(	std::vector< Float_t > &	v,
		Float_t	f
	)

scales float vector

Definition at line 539 of file Tools.cxx.

◆ SetXMLEngineBufferSize()

void TMVA::Tools::SetXMLEngineBufferSize ( int buffer )

inline

Definition at line 272 of file Tools.h.

◆ SplitString()

std::vector< TString > TMVA::Tools::SplitString	(	const TString &	theOpt,
		const char	separator
	)		const

splits the option string at 'separator' and fills the list 'splitV' with the primitive strings

Definition at line 1211 of file Tools.cxx.

◆ StringFromDouble()

TString TMVA::Tools::StringFromDouble ( Double_t d )

string tools

Definition at line 1245 of file Tools.cxx.

◆ StringFromInt()

TString TMVA::Tools::StringFromInt ( Long_t i )

string tools

Definition at line 1235 of file Tools.cxx.

◆ TMVACitation()

void TMVA::Tools::TMVACitation	(	MsgLogger &	logger,
		ECitation	citType = `kPlainText`
	)

kinds of TMVA citation

Definition at line 1453 of file Tools.cxx.

◆ TMVAVersionMessage()

void TMVA::Tools::TMVAVersionMessage ( MsgLogger & logger )

prints the TMVA release number and date

Definition at line 1328 of file Tools.cxx.

◆ TMVAWelcomeMessage() [1/2]

void TMVA::Tools::TMVAWelcomeMessage ( )

direct output, eg, when starting ROOT session -> no use of Logger here

Definition at line 1314 of file Tools.cxx.

◆ TMVAWelcomeMessage() [2/2]

void TMVA::Tools::TMVAWelcomeMessage	(	MsgLogger &	logger,
		EWelcomeMessage	m = `kStandardWelcomeMsg`
	)

various kinds of welcome messages ASCII text generated by this site: http://www.network-science.de/ascii/

Definition at line 1356 of file Tools.cxx.

◆ TransposeHist()

TH2F * TMVA::Tools::TransposeHist ( const TH2F & h )

Transpose quadratic histogram.

Definition at line 669 of file Tools.cxx.

◆ UsefulSortAscending() [1/2]

void TMVA::Tools::UsefulSortAscending ( std::vector< Double_t > & v )

sort vector

Definition at line 749 of file Tools.cxx.

◆ UsefulSortAscending() [2/2]

void TMVA::Tools::UsefulSortAscending	(	std::vector< std::vector< Double_t > > &	v,
		std::vector< TString > *	vs = `0`
	)

sort 2D vector (AND in parallel a TString vector) in such a way that the "first vector is sorted" and the other vectors are reshuffled in the same way as necessary to have the first vector sorted.

I.e. the correlation between the elements is kept.

Definition at line 550 of file Tools.cxx.

◆ UsefulSortDescending() [1/2]

void TMVA::Tools::UsefulSortDescending ( std::vector< Double_t > & v )

sort vector

Definition at line 738 of file Tools.cxx.

◆ UsefulSortDescending() [2/2]

void TMVA::Tools::UsefulSortDescending	(	std::vector< std::vector< Double_t > > &	v,
		std::vector< TString > *	vs = `0`
	)

sort 2D vector (AND in parallel a TString vector) in such a way that the "first vector is sorted" and the other vectors are reshuffled in the same way as necessary to have the first vector sorted.

I.e. the correlation between the elements is kept.

Definition at line 576 of file Tools.cxx.

◆ WriteFloatArbitraryPrecision()

void TMVA::Tools::WriteFloatArbitraryPrecision	(	Float_t	val,
		std::ostream &	os
	)

writes a float value with the available precision to a stream

Definition at line 1070 of file Tools.cxx.

◆ WriteTMatrixDToXML()

void TMVA::Tools::WriteTMatrixDToXML	(	void *	node,
		const char *	name,
		TMatrixD *	mat
	)

XML helpers.

Definition at line 1255 of file Tools.cxx.

◆ WriteTVectorDToXML()

void TMVA::Tools::WriteTVectorDToXML	(	void *	node,
		const char *	name,
		TVectorD *	vec
	)

Definition at line 1271 of file Tools.cxx.

◆ xmlengine()

TXMLEngine & TMVA::Tools::xmlengine ( )

inline

Definition at line 270 of file Tools.h.

◆ xmlenginebuffersize()

int TMVA::Tools::xmlenginebuffersize ( )

inline

Definition at line 271 of file Tools.h.

Member Data Documentation

◆ fgTools

TMVA::Tools * TMVA::Tools::fgTools = 0

static

Definition at line 236 of file Tools.h.

◆ fLogger

MsgLogger* TMVA::Tools::fLogger

mutable

Definition at line 231 of file Tools.h.

◆ fRegexp

const TString TMVA::Tools::fRegexp

Definition at line 230 of file Tools.h.

◆ fXMLBufferSize

int TMVA::Tools::fXMLBufferSize = 10000000

private

Definition at line 279 of file Tools.h.

◆ fXMLEngine

TXMLEngine* TMVA::Tools::fXMLEngine

Definition at line 273 of file Tools.h.

Libraries for TMVA::Tools:

[legend]

Public Types

Public Member Functions

Static Public Member Functions

Public Attributes

Static Public Attributes

Private Member Functions

Private Attributes

Member Enumeration Documentation

◆ ECitation

◆ EWelcomeMessage

Constructor & Destructor Documentation

◆ Tools()

◆ ~Tools()

Member Function Documentation

◆ AddAttr() [1/2]

◆ AddAttr() [2/2]

◆ AddChild()

◆ AddComment()

◆ AddRawLine()

◆ CalcCovarianceMatrices() [1/2]

◆ CalcCovarianceMatrices() [2/2]

◆ CheckForSilentOption()

◆ CheckForVerboseOption()

◆ CheckSplines()

◆ Color()

◆ ComputeStat()

◆ ComputeVariance()

◆ ContainsRegularExpression()

◆ DestroyInstance()

◆ FormattedOutput() [1/3]

◆ FormattedOutput() [2/3]

◆ FormattedOutput() [3/3]

◆ GetChild()

◆ GetContent()

◆ GetCorrelationMatrix()

◆ GetCorrelationRatio()

◆ GetCumulativeDist()

◆ GetIndexMaxElement()

◆ GetIndexMinElement()

◆ GetMutualInformation()

◆ GetName()

◆ GetNextChild()

◆ GetParent()

◆ GetSeparation() [1/2]

◆ GetSeparation() [2/2]

◆ GetSQRootMatrix()

◆ GetXTitleWithUnit()

◆ GetYMean_binX()

◆ GetYTitleWithUnit()

◆ HasAttr()

◆ HistoHasEquidistantBins()

◆ Instance()

◆ Log()

◆ Mean() [1/2]

◆ Mean() [2/2]

◆ MVADiff()

◆ NormHist()

◆ NormVariable()

◆ ParseANNOptionString()

◆ ParseFormatLine()

◆ projNormTH1F()

◆ ReadAttr() [1/5]

◆ ReadAttr() [2/5]

◆ ReadAttr() [3/5]

◆ ReadAttr() [4/5]

◆ ReadAttr() [5/5]

◆ ReadFloatArbitraryPrecision()

◆ ReadTMatrixDFromXML()

◆ ReadTVectorDFromXML()

◆ ReplaceRegularExpressions()

◆ RMS() [1/2]

◆ RMS() [2/2]

◆ ROOTVersionMessage()

◆ Scale() [1/2]

◆ Scale() [2/2]

◆ SetXMLEngineBufferSize()

◆ SplitString()

◆ StringFromDouble()

◆ StringFromInt()

◆ TMVACitation()