Logo ROOT   master
Reference Guide
PDEFoamTarget.h
Go to the documentation of this file.
1 // @(#)root/tmva $Id$
2 // Author: Tancredi Carli, Dominik Dannheim, Alexander Voigt
3 
4 /**********************************************************************************
5  * Project: TMVA - a Root-integrated toolkit for multivariate data analysis *
6  * Package: TMVA *
7  * Classes: PDEFoamTarget *
8  * Web : http://tmva.sourceforge.net *
9  * *
10  * Description: *
11  * Concrete PDEFoam sub-class. This foam stores the first target *
12  * (index 0) with every cell, as well as the statistical error on *
13  * the target. *
14  * *
15  * Authors (alphabetical): *
16  * S. Jadach - Institute of Nuclear Physics, Cracow, Poland *
17  * Tancredi Carli - CERN, Switzerland *
18  * Dominik Dannheim - CERN, Switzerland *
19  * Alexander Voigt - TU Dresden, Germany *
20  * *
21  * Copyright (c) 2008, 2010: *
22  * CERN, Switzerland *
23  * MPI-K Heidelberg, Germany *
24  * *
25  * Redistribution and use in source and binary forms, with or without *
26  * modification, are permitted according to the terms listed in LICENSE *
27  * (http://tmva.sourceforge.net/LICENSE) *
28  **********************************************************************************/
29 
30 #ifndef ROOT_TMVA_PDEFoamTarget
31 #define ROOT_TMVA_PDEFoamTarget
32 
33 #include "TMVA/PDEFoam.h"
34 
35 namespace TMVA
36 {
37 
38  class PDEFoamTarget : public PDEFoam
39  {
40 
41  protected:
42  UInt_t fTarget; // the target to fill the cells with
43 
44  // specific function used during evaluation; determines, whether
45  // a cell value is undefined
47 
48  // calculate the average of the neighbor cell values
49  Float_t GetAverageNeighborsValue(std::vector<Float_t>&, ECellValue);
50 
51  PDEFoamTarget(const PDEFoamTarget&); // Copy Constructor NOT USED
52 
53  // ---------- Public functions ----------------------------------
54  public:
55  PDEFoamTarget(); // Default constructor (used only by ROOT streamer)
56  PDEFoamTarget(const TString&, UInt_t); // Principal user-defined constructor
57  virtual ~PDEFoamTarget() {} // Default destructor
58 
59  // function to fill created cell with given value
60  virtual void FillFoamCells(const Event* ev, Float_t wt);
61 
62  // function to call after foam is grown
63  virtual void Finalize();
64 
65  virtual Float_t GetCellValue(const std::vector<Float_t> &xvec, ECellValue cv, PDEFoamKernelBase*);
67 
68  // ---------- ROOT class definition
69  ClassDef(PDEFoamTarget, 1) // Tree of PDEFoamCells
70  }; // end of PDEFoamTarget
71 
72 } // namespace TMVA
73 
74 // ---------- Inline functions
75 
76 #endif
PDEFoamTarget()
Default constructor for streamer, user should not use it.
This class is the abstract kernel interface for PDEFoam.
float Float_t
Definition: RtypesCore.h:55
unsigned int UInt_t
Definition: CPyCppyy.h:44
Bool_t CellValueIsUndefined(PDEFoamCell *cell)
Returns true, if the target error equals -1, as set in Finalize() in case of no events in the cell...
virtual void FillFoamCells(const Event *ev, Float_t wt)
This function fills an event into the discriminant PDEFoam.
Basic string class.
Definition: TString.h:131
Float_t GetAverageNeighborsValue(std::vector< Float_t > &, ECellValue)
This function returns the average value &#39;cv&#39; of only nearest neighbor cells.
#define ClassDef(name, id)
Definition: Rtypes.h:322
Implementation of PDEFoam.
Definition: PDEFoam.h:77
virtual void Finalize()
Calculate average cell target in every cell and save them to the cell.
This PDEFoam variant stores in every cell the average target fTarget (see the Constructor) as well as...
Definition: PDEFoamTarget.h:38
virtual Float_t GetCellValue(const std::vector< Float_t > &xvec, ECellValue cv, PDEFoamKernelBase *)
This function finds the cell, which corresponds to the given untransformed event vector &#39;xvec&#39; and re...
Definition: PDEFoam.cxx:1016
create variable transformations
virtual ~PDEFoamTarget()
Definition: PDEFoamTarget.h:57
virtual Float_t GetCellValue(const std::vector< Float_t > &xvec, ECellValue cv, PDEFoamKernelBase *)
This function finds the cell, which corresponds to the given untransformed event vector &#39;xvec&#39; and re...