Stores the steps in a Markov Chain of points.

Allows user to access the weight and NLL value (if applicable) with which a point was added to the MarkovChain.

Definition at line 33 of file MarkovChain.h.

Public Member Functions
	MarkovChain ()

	MarkovChain (const char name, const char title, RooArgSet &parameters)

	MarkovChain (RooArgSet &parameters)

	~MarkovChain () override

virtual void	Add (MarkovChain &otherChain, double discardEntries=0.0)
	add another markov chain

virtual void	Add (RooArgSet &entry, double nllValue, double weight=1.0)
	safely add an entry to the chain

virtual void	AddFast (RooArgSet &entry, double nllValue, double weight=1.0)
	add an entry to the chain ONLY IF you have constructed with parameters or called SetParameters

virtual void	AddWithBurnIn (MarkovChain &otherChain, Int_t burnIn=0)
	add another markov chain

virtual const RooArgSet *	Get () const
	get the entry at the current position

virtual const RooArgSet *	Get (Int_t i) const
	get the entry at position i

virtual const RooDataSet *	GetAsConstDataSet () const

virtual RooFit::OwningPtr< RooDataHist >	GetAsDataHist (const RooCmdArg &arg1, const RooCmdArg &arg2={}, const RooCmdArg &arg3={}, const RooCmdArg &arg4={}, const RooCmdArg &arg5={}, const RooCmdArg &arg6={}, const RooCmdArg &arg7={}, const RooCmdArg &arg8={}) const R__DEPRECATED(6
	Get a clone of the markov chain on which this interval is based as a RooDataHist.

virtual RooFit::OwningPtr< RooDataHist >	GetAsDataHist (RooArgSet *whichVars=nullptr) const
	get this MarkovChain as a RooDataHist whose entries contain the values of whichVars.

virtual RooFit::OwningPtr< RooDataSet >	GetAsDataSet (const RooCmdArg &arg1, const RooCmdArg &arg2={}, const RooCmdArg &arg3={}, const RooCmdArg &arg4={}, const RooCmdArg &arg5={}, const RooCmdArg &arg6={}, const RooCmdArg &arg7={}, const RooCmdArg &arg8={}) const R__DEPRECATED(6
	Get a clone of the markov chain on which this interval is based as a RooDataSet.

virtual RooFit::OwningPtr< RooDataSet >	GetAsDataSet (RooArgSet *whichVars=nullptr) const
	get this MarkovChain as a RooDataSet whose entries contain the values of whichVars.

virtual THnSparse *	GetAsSparseHist (RooAbsCollection &whichVars) const

virtual THnSparse *	GetAsSparseHist (RooAbsCollection *whichVars=nullptr) const
	Get a clone of the markov chain on which this interval is based as a sparse histogram.

virtual RooRealVar *	GetNLLVar () const
	get a clone of the NLL variable

virtual RooRealVar *	GetWeightVar () const
	get a clone of the weight variable

TClass *	IsA () const override

virtual double	NLL () const
	get the NLL value of the current (last indexed) entry

virtual double	NLL (Int_t i) const
	get the NLL value of entry at position i

virtual void	SetParameters (RooArgSet &parameters)
	set which of your parameters this chain should store

virtual Int_t	Size () const
	get the number of steps in the chain

void	Streamer (TBuffer &) override
	Stream an object of class TObject.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

virtual double	Weight () const
	get the weight of the current (last indexed) entry

virtual double	Weight (Int_t i) const
	get the weight of entry at position i

Public Member Functions inherited from TNamed
	TNamed ()

	TNamed (const char name, const char title)

	TNamed (const TNamed &named)
	TNamed copy ctor.

	TNamed (const TString &name, const TString &title)

virtual	~TNamed ()
	TNamed destructor.

void	Clear (Option_t *option="") override
	Set name and title to empty strings ("").

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

Int_t	Compare (const TObject *obj) const override
	Compare two TNamed objects.

void	Copy (TObject &named) const override
	Copy this to obj.

virtual void	FillBuffer (char *&buffer)
	Encode TNamed into output buffer.

const char *	GetName () const override
	Returns name of object.

const char *	GetTitle () const override
	Returns title of object.

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

TClass *	IsA () const override

Bool_t	IsSortable () const override

void	ls (Option_t *option="") const override
	List TNamed name and title.

TNamed &	operator= (const TNamed &rhs)
	TNamed assignment operator.

void	Print (Option_t *option="") const override
	Print TNamed name and title.

virtual void	SetName (const char *name)
	Set the name of the TNamed.

virtual void	SetNameTitle (const char name, const char title)
	Set all the TNamed parameters (name and title).

virtual void	SetTitle (const char *title="")
	Set the title of the TNamed.

virtual Int_t	Sizeof () const
	Return size of the TNamed part of the TObject.

void	Streamer (TBuffer &) override
	Stream an object of class TObject.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TObject
	TObject ()
	TObject constructor.

	TObject (const TObject &object)
	TObject copy ctor.

virtual	~TObject ()
	TObject destructor.

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

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

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

ULong_t	CheckedHash ()
	Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object.

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

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

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

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

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

virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current selected pad with: `gROOT->SetSelectedPad(c1)`.

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

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

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

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

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

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

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

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

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

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

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

virtual Option_t *	GetOption () const

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

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

Bool_t	HasInconsistentHash () const
	Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e.

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

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

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

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

void	InvertBit (UInt_t f)

Bool_t	IsDestructed () const
	IsDestructed.

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

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

R__ALWAYS_INLINE Bool_t	IsOnHeap () const

R__ALWAYS_INLINE Bool_t	IsZombie () const

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).

virtual Bool_t	Notify ()
	This method must be overridden to handle object notification (the base implementation is no-op).

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

void	operator delete (void *ptr)
	Operator delete.

void	operator delete (void ptr, void vp)
	Only called by placement new when throwing an exception.

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

void	operator delete[] (void ptr, void vp)
	Only called by placement new[] when throwing an exception.

void *	operator new (size_t sz)

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

void *	operator new[] (size_t sz)

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

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

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

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

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

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

void	ResetBit (UInt_t f)

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

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

void	SetBit (UInt_t f)

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

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

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

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

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

R__ALWAYS_INLINE Bool_t	TestBit (UInt_t f) const

Int_t	TestBits (UInt_t f) const

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

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

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

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

Static Public Member Functions
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TNamed
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TObject
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static Longptr_t	GetDtorOnly ()
	Return destructor only flag.

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

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

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

Protected Attributes
RooDataSet *	fChain = nullptr

RooArgSet *	fDataEntry = nullptr

RooRealVar *	fNLL = nullptr

RooArgSet *	fParameters = nullptr

Protected Attributes inherited from TNamed
TString	fName

TString	fTitle

Additional Inherited Members
Public Types inherited from TObject
enum	{ kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 , kBitMask = 0x00ffffff }

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

enum	EDeprecatedStatusBits { kObjInCanvas = (1ULL << ( 3 )) }

enum	EStatusBits { kCanDelete = (1ULL << ( 0 )) , kMustCleanup = (1ULL << ( 3 )) , kIsReferenced = (1ULL << ( 4 )) , kHasUUID = (1ULL << ( 5 )) , kCannotPick = (1ULL << ( 6 )) , kNoContextMenu = (1ULL << ( 8 )) , kInvalidObject = (1ULL << ( 13 )) }

Protected Types inherited from TObject
enum	{ kOnlyPrepStep = (1ULL << ( 3 )) }

Protected Member Functions inherited from TObject
virtual void	DoError (int level, const char location, const char fmt, va_list va) const
	Interface to ErrorHandler (protected).

void	MakeZombie ()

#include <RooStats/MarkovChain.h>

Inheritance diagram for RooStats::MarkovChain:

[legend]

Constructor & Destructor Documentation

◆ MarkovChain() [1/3]

MarkovChain::MarkovChain ( )

Definition at line 43 of file MarkovChain.cxx.

◆ MarkovChain() [2/3]

MarkovChain::MarkovChain ( RooArgSet & parameters )

Definition at line 45 of file MarkovChain.cxx.

◆ MarkovChain() [3/3]

MarkovChain::MarkovChain	(	const char *	name,
		const char *	title,
		RooArgSet &	parameters
	)

Definition at line 50 of file MarkovChain.cxx.

◆ ~MarkovChain()

RooStats::MarkovChain::~MarkovChain ( )

inlineoverride

Definition at line 114 of file MarkovChain.h.

Member Function Documentation

◆ Add() [1/2]

void MarkovChain::Add	(	MarkovChain &	otherChain,
		double	discardEntries = `0.0`
	)

virtual

add another markov chain

Definition at line 102 of file MarkovChain.cxx.

◆ Add() [2/2]

void MarkovChain::Add	(	RooArgSet &	entry,
		double	nllValue,
		double	weight = `1.0`
	)

virtual

safely add an entry to the chain

Definition at line 77 of file MarkovChain.cxx.

◆ AddFast()

void MarkovChain::AddFast	(	RooArgSet &	entry,
		double	nllValue,
		double	weight = `1.0`
	)

virtual

add an entry to the chain ONLY IF you have constructed with parameters or called SetParameters

Definition at line 119 of file MarkovChain.cxx.

◆ AddWithBurnIn()

void MarkovChain::AddWithBurnIn	(	MarkovChain &	otherChain,
		Int_t	burnIn = `0`
	)

virtual

add another markov chain

Definition at line 88 of file MarkovChain.cxx.

◆ Class()

static TClass * RooStats::MarkovChain::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * RooStats::MarkovChain::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t RooStats::MarkovChain::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 127 of file MarkovChain.h.

◆ DeclFileName()

static const char * RooStats::MarkovChain::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 127 of file MarkovChain.h.

◆ Get() [1/2]

virtual const RooArgSet * RooStats::MarkovChain::Get ( ) const

inlinevirtual

get the entry at the current position

Definition at line 56 of file MarkovChain.h.

◆ Get() [2/2]

virtual const RooArgSet * RooStats::MarkovChain::Get ( Int_t i ) const

inlinevirtual

get the entry at position i

Definition at line 54 of file MarkovChain.h.

◆ GetAsConstDataSet()

virtual const RooDataSet * RooStats::MarkovChain::GetAsConstDataSet ( ) const

inlinevirtual

Definition at line 82 of file MarkovChain.h.

◆ GetAsDataHist() [1/2]

RooFit::OwningPtr< RooDataHist > MarkovChain::GetAsDataHist	(	const RooCmdArg &	arg1,
		const RooCmdArg &	arg2 = `{}`,
		const RooCmdArg &	arg3 = `{}`,
		const RooCmdArg &	arg4 = `{}`,
		const RooCmdArg &	arg5 = `{}`,
		const RooCmdArg &	arg6 = `{}`,
		const RooCmdArg &	arg7 = `{}`,
		const RooCmdArg &	arg8 = `{}`
	)		const

virtual

Get a clone of the markov chain on which this interval is based as a RooDataHist.

You own the returned RooDataHist*

Deprecated:: Will be removed in ROOT 6.36.

Deprecated:: Will be removed in ROOT 6.36. Please implement this functionality by calling RooAbsData::reduce on the Markov Chain's RooDataSet* (obtained using MarkovChain::GetAsConstDataSet), and then obtaining its binned clone.

Definition at line 172 of file MarkovChain.cxx.

◆ GetAsDataHist() [2/2]

RooFit::OwningPtr< RooDataHist > MarkovChain::GetAsDataHist ( RooArgSet * whichVars = nullptr ) const

virtual

get this MarkovChain as a RooDataHist whose entries contain the values of whichVars.

Call with whichVars = nullptr (default) to get values of all variables (including NLL value and weight); Note: caller owns the returned data hist

Definition at line 154 of file MarkovChain.cxx.

◆ GetAsDataSet() [1/2]

RooFit::OwningPtr< RooDataSet > MarkovChain::GetAsDataSet	(	const RooCmdArg &	arg1,
		const RooCmdArg &	arg2 = `{}`,
		const RooCmdArg &	arg3 = `{}`,
		const RooCmdArg &	arg4 = `{}`,
		const RooCmdArg &	arg5 = `{}`,
		const RooCmdArg &	arg6 = `{}`,
		const RooCmdArg &	arg7 = `{}`,
		const RooCmdArg &	arg8 = `{}`
	)		const

virtual

Get a clone of the markov chain on which this interval is based as a RooDataSet.

You own the returned RooDataSet*

Deprecated:: Will be removed in ROOT 6.36.

Deprecated:: Will be removed in ROOT 6.36. Please implement this functionality by calling RooAbsData::reduce on the Markov Chain's RooDataSet* (obtained using MarkovChain::GetAsConstDataSet)

Definition at line 145 of file MarkovChain.cxx.

◆ GetAsDataSet() [2/2]

RooFit::OwningPtr< RooDataSet > MarkovChain::GetAsDataSet ( RooArgSet * whichVars = nullptr ) const

virtual

get this MarkovChain as a RooDataSet whose entries contain the values of whichVars.

Call with whichVars = nullptr (default) to get values of all variables (including NLL value and weight); Note: caller owns the returned data set

Definition at line 128 of file MarkovChain.cxx.

◆ GetAsSparseHist() [1/2]

virtual THnSparse * RooStats::MarkovChain::GetAsSparseHist ( RooAbsCollection & whichVars ) const

inlinevirtual

Definition at line 103 of file MarkovChain.h.

◆ GetAsSparseHist() [2/2]

THnSparse * MarkovChain::GetAsSparseHist ( RooAbsCollection * whichVars = nullptr ) const

virtual

Get a clone of the markov chain on which this interval is based as a sparse histogram.

You own the returned THnSparse*

Definition at line 181 of file MarkovChain.cxx.

◆ GetNLLVar()

virtual RooRealVar * RooStats::MarkovChain::GetNLLVar ( ) const

inlinevirtual

get a clone of the NLL variable

Definition at line 107 of file MarkovChain.h.

◆ GetWeightVar()

virtual RooRealVar * RooStats::MarkovChain::GetWeightVar ( ) const

inlinevirtual

get a clone of the weight variable

Definition at line 111 of file MarkovChain.h.

◆ IsA()

TClass * RooStats::MarkovChain::IsA ( ) const

inlineoverridevirtual

Returns: TClass describing current object

Reimplemented from TObject.

Definition at line 127 of file MarkovChain.h.

◆ NLL() [1/2]

double MarkovChain::NLL ( ) const

virtual

get the NLL value of the current (last indexed) entry

Definition at line 237 of file MarkovChain.cxx.

◆ NLL() [2/2]

double MarkovChain::NLL ( Int_t i ) const

virtual

get the NLL value of entry at position i

Definition at line 229 of file MarkovChain.cxx.

◆ SetParameters()

void MarkovChain::SetParameters ( RooArgSet & parameters )

virtual

set which of your parameters this chain should store

Definition at line 55 of file MarkovChain.cxx.

◆ Size()

virtual Int_t RooStats::MarkovChain::Size ( ) const

inlinevirtual

get the number of steps in the chain

Definition at line 52 of file MarkovChain.h.

◆ Streamer()

void RooStats::MarkovChain::Streamer ( TBuffer & R__b )

overridevirtual

Stream an object of class TObject.

Reimplemented from TObject.

◆ StreamerNVirtual()

void RooStats::MarkovChain::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 127 of file MarkovChain.h.

◆ Weight() [1/2]

double MarkovChain::Weight ( ) const

virtual

get the weight of the current (last indexed) entry

Definition at line 245 of file MarkovChain.cxx.

◆ Weight() [2/2]

double MarkovChain::Weight ( Int_t i ) const

virtual

get the weight of entry at position i

Definition at line 250 of file MarkovChain.cxx.

Member Data Documentation

◆ fChain

RooDataSet* RooStats::MarkovChain::fChain = nullptr

protected

Definition at line 124 of file MarkovChain.h.

◆ fDataEntry

RooArgSet* RooStats::MarkovChain::fDataEntry = nullptr

protected

Definition at line 123 of file MarkovChain.h.

◆ fNLL

RooRealVar* RooStats::MarkovChain::fNLL = nullptr

protected

Definition at line 125 of file MarkovChain.h.

◆ fParameters

RooArgSet* RooStats::MarkovChain::fParameters = nullptr

protected

Definition at line 122 of file MarkovChain.h.

Libraries for RooStats::MarkovChain:

[legend]

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

roofit/roostats/inc/RooStats/MarkovChain.h
roofit/roostats/src/MarkovChain.cxx

Public Member Functions

Static Public Member Functions

Protected Attributes

Additional Inherited Members

Constructor & Destructor Documentation

◆ MarkovChain() [1/3]

◆ MarkovChain() [2/3]

◆ MarkovChain() [3/3]

◆ ~MarkovChain()

Member Function Documentation

◆ Add() [1/2]

◆ Add() [2/2]

◆ AddFast()

◆ AddWithBurnIn()

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ DeclFileName()

◆ Get() [1/2]

◆ Get() [2/2]

◆ GetAsConstDataSet()

◆ GetAsDataHist() [1/2]

◆ GetAsDataHist() [2/2]

◆ GetAsDataSet() [1/2]

◆ GetAsDataSet() [2/2]

◆ GetAsSparseHist() [1/2]

◆ GetAsSparseHist() [2/2]

◆ GetNLLVar()

◆ GetWeightVar()

◆ IsA()

◆ NLL() [1/2]

◆ NLL() [2/2]

◆ SetParameters()

◆ Size()

◆ Streamer()

◆ StreamerNVirtual()

◆ Weight() [1/2]

◆ Weight() [2/2]

Member Data Documentation

◆ fChain

◆ fDataEntry

◆ fNLL

◆ fParameters