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Data.hpp

00001 #define __cplusplus__
00002 #ifndef __DATA__
00003 #define __DATA__
00004 
00005 #include<iostream>
00006 #include<istream>
00007 #include<fstream>
00008 #include<string>
00009 #include<vector>
00010 #include<sstream>
00011 #include <cmath>
00012 
00013 using namespace std;
00014 
00026 class Data{
00027 
00029   uint NbPts; 
00031   uint Dim ; 
00033   vector<double> X;
00035   vector<uint> labels;
00036   
00037 public :
00038 
00040   Data(); 
00042   Data(uint nbp, uint nbv); 
00044   ~Data();
00045   
00046   // Getters
00047 
00049   uint Get_N();
00051   uint Get_D(); 
00052 
00054   void Get(uint i, vector<double> & obs );
00056   double Get(uint i, uint d);
00057 
00059   uint GetLabel(uint i);
00061   void GetLabels(vector<uint> & labs);
00062   // Setters
00063 
00065   void Set(uint i, vector<double> const &   obs );
00067   void SetLabel(uint i, uint lab );
00068 
00069   // IO
00070 
00072   void ReadFromFile(string filename); 
00074   void ReadFromFile(string filename, uint dim);  
00076   void WriteToFile(string filename); 
00077 
00079   void Stats(vector<double> & mean, vector<double> & cov);
00080 
00082   void K_means(uint K, vector<double> & centers, vector<uint> & labels);
00083 
00085   void Info();
00086   
00087 };
00088 
00089 #endif

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