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TMVA::GeneticFitter Class Reference

Fitter using a Genetic Algorithm.

Definition at line 44 of file GeneticFitter.h.

Public Member Functions

 GeneticFitter (IFitterTarget &target, const TString &name, const std::vector< TMVA::Interval * > &ranges, const TString &theOption)
 constructor
 
virtual ~GeneticFitter ()
 
virtual TClassIsA () const
 
Double_t NewFitness (Double_t oldF, Double_t newF)
 
Double_t Run (std::vector< Double_t > &pars)
 Execute fitting.
 
void SetParameters (Int_t cycles, Int_t nsteps, Int_t popSize, Int_t SC_steps, Int_t SC_rate, Double_t SC_factor, Double_t convCrit)
 set GA configuration parameters
 
virtual void Streamer (TBuffer &)
 Stream an object of class TObject.
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
- Public Member Functions inherited from TMVA::FitterBase
 FitterBase (IFitterTarget &target, const TString &name, const std::vector< TMVA::Interval * > ranges, const TString &theOption)
 constructor
 
virtual ~FitterBase ()
 
Double_t EstimatorFunction (std::vector< Double_t > &parameters)
 estimator function interface for fitting
 
IFitterTargetGetFitterTarget () const
 
const char * GetName () const
 Returns name of object.
 
Int_t GetNpars () const
 
Double_t Run ()
 estimator function interface for fitting
 
void SetIPythonInteractive (bool *ExitFromTraining, UInt_t *fIPyMaxIter_, UInt_t *fIPyCurrentIter_)
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
- Public Member Functions inherited from TMVA::Configurable
 Configurable (const TString &theOption="")
 constructor
 
virtual ~Configurable ()
 default destructor
 
void AddOptionsXMLTo (void *parent) const
 write options to XML file
 
template<class T >
void AddPreDefVal (const T &)
 
template<class T >
void AddPreDefVal (const TString &optname, const T &)
 
void CheckForUnusedOptions () const
 checks for unused options in option string
 
template<class T >
TMVA::OptionBaseDeclareOptionRef (T &ref, const TString &name, const TString &desc)
 
template<class T >
OptionBaseDeclareOptionRef (T &ref, const TString &name, const TString &desc="")
 
template<class T >
TMVA::OptionBaseDeclareOptionRef (T *&ref, Int_t size, const TString &name, const TString &desc)
 
template<class T >
OptionBaseDeclareOptionRef (T *&ref, Int_t size, const TString &name, const TString &desc="")
 
const char * GetConfigDescription () const
 
const char * GetConfigName () const
 
const TStringGetOptions () const
 
MsgLoggerLog () const
 
virtual void ParseOptions ()
 options parser
 
void PrintOptions () const
 prints out the options set in the options string and the defaults
 
void ReadOptionsFromStream (std::istream &istr)
 read option back from the weight file
 
void ReadOptionsFromXML (void *node)
 
void SetConfigDescription (const char *d)
 
void SetConfigName (const char *n)
 
void SetMsgType (EMsgType t)
 
void SetOptions (const TString &s)
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
void WriteOptionsToStream (std::ostream &o, const TString &prefix) const
 write options to output stream (e.g. in writing the MVA weight files
 
- 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 ("").
 
TObjectClone (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.
 
TClassIsA () const override
 
Bool_t IsSortable () const override
 
void ls (Option_t *option="") const override
 List TNamed name and title.
 
TNamedoperator= (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 TObjectDrawClone (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 TObjectFindObject (const char *name) const
 Must be redefined in derived classes.
 
virtual TObjectFindObject (const TObject *obj) const
 Must be redefined in derived classes.
 
virtual Option_tGetDrawOption () 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_tGetOption () 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.
 
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)
 Operator delete [].
 
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)
 
TObjectoperator= (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 TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
- Static Public Member Functions inherited from TMVA::FitterBase
static TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
- Static Public Member Functions inherited from TMVA::Configurable
static TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
- Static Public Member Functions inherited from TNamed
static TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
- Static Public Member Functions inherited from TObject
static TClassClass ()
 
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.
 

Private Member Functions

void DeclareOptions ()
 declare GA options
 

Private Attributes

Double_t fConvCrit
 improvements bigger than fConvCrit are counted as "improvement"
 
Int_t fCycles
 number of (nearly) independent calculation cycles
 
Int_t fNsteps
 convergence criteria: if no improvements > fConvCrit was achieved within the last fNsteps: cycle has "converged"
 
Int_t fPopSize
 number of individuals to start with
 
Int_t fSaveBestFromCycle
 store the best individuals from one cycle (these are included as "hints" in the last cycle of GA calculation)
 
Int_t fSaveBestFromGeneration
 store the best individuals from one generation (these are included as "hints" in the last cycle of GA calculation)
 
Double_t fSC_factor
 ... with fSC_factor; if there were less improvements: divide by that factor; if there were exactly fSC_rate improvements, dont change anything
 
Int_t fSC_rate
 ... fSC_rate improvements, than multiply the sigma of the gaussian which defines how the random numbers are generated ...
 
Int_t fSC_steps
 regulates how strong the mutations for the coordinates are: if within fSC_steps there were more than...
 
UInt_t fSeed
 Seed for the random generator (0 takes random seeds)
 
Bool_t fTrim
 take care, that the number of individuals is less fPopSize (trimming is done after the fitness of the individuals is assessed)
 

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 TMVA::FitterBase
MsgLoggerLog () const
 
- Protected Member Functions inherited from TMVA::Configurable
void EnableLooseOptions (Bool_t b=kTRUE)
 
const TStringGetReferenceFile () const
 
Bool_t LooseOptionCheckingEnabled () const
 
void ResetSetFlag ()
 resets the IsSet flag for all declare options to be called before options are read from stream
 
void WriteOptionsReferenceToFile ()
 write complete options to output stream
 
- 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 ()
 
- Protected Attributes inherited from TMVA::FitterBase
TString fClassName
 
boolfExitFromTraining = nullptr
 
IFitterTargetfFitterTarget
 
UInt_tfIPyCurrentIter = nullptr
 
UInt_tfIPyMaxIter = nullptr
 
MsgLoggerfLogger
 
Int_t fNpars
 
const std::vector< TMVA::Interval * > fRanges
 
- Protected Attributes inherited from TMVA::Configurable
MsgLoggerfLogger
 ! message logger
 
- Protected Attributes inherited from TNamed
TString fName
 
TString fTitle
 

#include <TMVA/GeneticFitter.h>

Inheritance diagram for TMVA::GeneticFitter:
[legend]

Constructor & Destructor Documentation

◆ GeneticFitter()

TMVA::GeneticFitter::GeneticFitter ( IFitterTarget target,
const TString name,
const std::vector< TMVA::Interval * > &  ranges,
const TString theOption 
)

constructor

Definition at line 50 of file GeneticFitter.cxx.

◆ ~GeneticFitter()

virtual TMVA::GeneticFitter::~GeneticFitter ( )
inlinevirtual

Definition at line 51 of file GeneticFitter.h.

Member Function Documentation

◆ Class()

static TClass * TMVA::GeneticFitter::Class ( )
static
Returns
TClass describing this class

◆ Class_Name()

static const char * TMVA::GeneticFitter::Class_Name ( )
static
Returns
Name of this class

◆ Class_Version()

static constexpr Version_t TMVA::GeneticFitter::Class_Version ( )
inlinestaticconstexpr
Returns
Version of this class

Definition at line 81 of file GeneticFitter.h.

◆ DeclareOptions()

void TMVA::GeneticFitter::DeclareOptions ( )
privatevirtual

declare GA options

Implements TMVA::FitterBase.

Definition at line 64 of file GeneticFitter.cxx.

◆ DeclFileName()

static const char * TMVA::GeneticFitter::DeclFileName ( )
inlinestatic
Returns
Name of the file containing the class declaration

Definition at line 81 of file GeneticFitter.h.

◆ IsA()

virtual TClass * TMVA::GeneticFitter::IsA ( ) const
inlinevirtual
Returns
TClass describing current object

Reimplemented from TMVA::FitterBase.

Definition at line 81 of file GeneticFitter.h.

◆ NewFitness()

Double_t TMVA::GeneticFitter::NewFitness ( Double_t  oldF,
Double_t  newF 
)
inline

Definition at line 63 of file GeneticFitter.h.

◆ Run()

Double_t TMVA::GeneticFitter::Run ( std::vector< Double_t > &  pars)
virtual

Execute fitting.

Implements TMVA::FitterBase.

Definition at line 107 of file GeneticFitter.cxx.

◆ SetParameters()

void TMVA::GeneticFitter::SetParameters ( Int_t  cycles,
Int_t  nsteps,
Int_t  popSize,
Int_t  SC_steps,
Int_t  SC_rate,
Double_t  SC_factor,
Double_t  convCrit 
)

set GA configuration parameters

Definition at line 87 of file GeneticFitter.cxx.

◆ Streamer()

virtual void TMVA::GeneticFitter::Streamer ( TBuffer R__b)
virtual

Stream an object of class TObject.

Reimplemented from TMVA::FitterBase.

◆ StreamerNVirtual()

void TMVA::GeneticFitter::StreamerNVirtual ( TBuffer ClassDef_StreamerNVirtual_b)
inline

Definition at line 81 of file GeneticFitter.h.

Member Data Documentation

◆ fConvCrit

Double_t TMVA::GeneticFitter::fConvCrit
private

improvements bigger than fConvCrit are counted as "improvement"

Definition at line 75 of file GeneticFitter.h.

◆ fCycles

Int_t TMVA::GeneticFitter::fCycles
private

number of (nearly) independent calculation cycles

Definition at line 69 of file GeneticFitter.h.

◆ fNsteps

Int_t TMVA::GeneticFitter::fNsteps
private

convergence criteria: if no improvements > fConvCrit was achieved within the last fNsteps: cycle has "converged"

Definition at line 70 of file GeneticFitter.h.

◆ fPopSize

Int_t TMVA::GeneticFitter::fPopSize
private

number of individuals to start with

Definition at line 71 of file GeneticFitter.h.

◆ fSaveBestFromCycle

Int_t TMVA::GeneticFitter::fSaveBestFromCycle
private

store the best individuals from one cycle (these are included as "hints" in the last cycle of GA calculation)

Definition at line 77 of file GeneticFitter.h.

◆ fSaveBestFromGeneration

Int_t TMVA::GeneticFitter::fSaveBestFromGeneration
private

store the best individuals from one generation (these are included as "hints" in the last cycle of GA calculation)

Definition at line 76 of file GeneticFitter.h.

◆ fSC_factor

Double_t TMVA::GeneticFitter::fSC_factor
private

... with fSC_factor; if there were less improvements: divide by that factor; if there were exactly fSC_rate improvements, dont change anything

Definition at line 74 of file GeneticFitter.h.

◆ fSC_rate

Int_t TMVA::GeneticFitter::fSC_rate
private

... fSC_rate improvements, than multiply the sigma of the gaussian which defines how the random numbers are generated ...

Definition at line 73 of file GeneticFitter.h.

◆ fSC_steps

Int_t TMVA::GeneticFitter::fSC_steps
private

regulates how strong the mutations for the coordinates are: if within fSC_steps there were more than...

Definition at line 72 of file GeneticFitter.h.

◆ fSeed

UInt_t TMVA::GeneticFitter::fSeed
private

Seed for the random generator (0 takes random seeds)

Definition at line 79 of file GeneticFitter.h.

◆ fTrim

Bool_t TMVA::GeneticFitter::fTrim
private

take care, that the number of individuals is less fPopSize (trimming is done after the fitness of the individuals is assessed)

Definition at line 78 of file GeneticFitter.h.

Libraries for TMVA::GeneticFitter:

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