OpenANN  1.1.0
An open source library for artificial neural networks.
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WeightedDataSet.h
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1 #ifndef OPENANN_WEIGHTED_DATA_SET_H_
2 #define OPENANN_WEIGHTED_DATA_SET_H_
3 
4 #include <OpenANN/io/DataSet.h>
5 #include <vector>
6 
7 namespace OpenANN
8 {
9 
18 class WeightedDataSet : public DataSet
19 {
20  DataSet& dataSet;
21  Eigen::VectorXd weights;
22  bool deterministic;
23  std::vector<int> originalIndices;
24 public:
30  WeightedDataSet(DataSet& dataSet, const Eigen::VectorXd& weights,
31  bool deterministic);
32  WeightedDataSet& updateWeights(const Eigen::VectorXd& weights);
33  virtual int samples();
34  virtual int inputs();
35  virtual int outputs();
36  virtual Eigen::VectorXd& getInstance(int n);
37  virtual Eigen::VectorXd& getTarget(int n);
38  virtual void finishIteration(Learner& learner) {}
39 private:
40  void resample();
41 };
42 
43 } // namespace OpenANN
44 
45 #endif // OPENANN_WEIGHTED_DATA_SET_H_
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