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#ifndef DATAPROV_H
#define DATAPROV_H
#include<Eigen/Dense>
#include "../tools/easylogging++.h"
#include<vector>
// TODO decide how to construct training data
// One possible way for training data:
// Matrix composed of an array of feature vectors
// Labels are composed of linked list, such as
// 6,3,4,0,5,0,0
// => 0->6 | 1->3 | 2->4->5
// How to compensate for non exhaustive labeling?
// Use -1 to indicate not yet labeled data
// -1s will be excluded from training
typedef Eigen::MatrixXd DataSet;
typedef Eigen::VectorXd Labels;
class DataProvider //Virtual base class for data input
{
protected:
int size;
int attrSize;
bool eof;
public:
DataProvider():eof(false){};
int getSize(){
return size;
}
int getAttrSize(){
return attrSize;
}
bool EOFile(){return eof;};
virtual int getDataSet(DataSet &out) = 0;
virtual int getLabel(Labels &out) = 0;
virtual int open()=0;
virtual int close()=0;
};
#endif
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