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Reference Guide
VarTransformHandler.h
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1 /**********************************************************************************
2  * Project: TMVA - a Root-integrated toolkit for multivariate data analysis *
3  * Package: TMVA *
4  * Class : VarTransformHandler *
5  * Web : http://tmva.sourceforge.net *
6  * *
7  * Description: *
8  * Implementation of unsupervised variable transformation methods *
9  * *
10  * Authors (alphabetical): *
11  * Abhinav Moudgil <abhinav.moudgil@research.iiit.ac.in> - IIIT-H, India *
12  * *
13  * Copyright (c) 2005: *
14  * CERN, Switzerland *
15  * *
16  * Redistribution and use in source and binary forms, with or without *
17  * modification, are permitted according to the terms listed in LICENSE *
18  * (http://tmva.sourceforge.net/LICENSE) *
19  **********************************************************************************/
20 
21 #ifndef ROOT_TMVA_VarTransformHandler
22 #define ROOT_TMVA_VarTransformHandler
23 
24 #include "TList.h"
25 #include "TString.h"
26 #include "TMVA/Types.h"
27 #include "TMVA/DataSetInfo.h"
28 
29 class TTree;
30 class TFile;
31 class TDirectory;
32 
33 namespace TMVA {
34 
35  class DataLoader;
36  class MethodBase;
37  class DataSetInfo;
38  class Event;
39  class DataSet;
40  class MsgLogger;
41  class DataInputHandler;
43  public:
44 
47 
49  mutable MsgLogger* fLogger; //! message logger
50  MsgLogger& Log() const { return *fLogger; }
51 
52  private:
53 
56  const std::vector<Event*>& fEvents;
57  void UpdateNorm (Int_t ivar, Double_t x);
58  void CalcNorm();
60  };
61 }
62 
63 #endif
void CalcNorm()
Computes maximum, minimum, mean, RMS and variance for all variables and targets.
TMVA::DataLoader * VarianceThreshold(Double_t threshold)
Computes variance of all the variables and returns a new DataLoader with the selected variables whose...
A ROOT file is a suite of consecutive data records (TKey instances) with a well defined format...
Definition: TFile.h:46
int Int_t
Definition: RtypesCore.h:41
Double_t x[n]
Definition: legend1.C:17
Class that contains all the data information.
Definition: DataSetInfo.h:60
void UpdateNorm(Int_t ivar, Double_t x)
Updates maximum and minimum value of a variable or target.
VarTransformHandler(DataLoader *)
constructor
const std::vector< Event * > & fEvents
double Double_t
Definition: RtypesCore.h:55
Describe directory structure in memory.
Definition: TDirectory.h:34
ostringstream derivative to redirect and format output
Definition: MsgLogger.h:59
Abstract ClassifierFactory template that handles arbitrary types.
A TTree object has a header with a name and a title.
Definition: TTree.h:78
void CopyDataLoader(TMVA::DataLoader *des, TMVA::DataLoader *src)
MsgLogger & Log() const
message logger