Feat C++ API
A feature engineering automation tool
MyRandomForest.h
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3  * Written (w) 2014 Parijat Mazumdar
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30 
31 #ifndef _MYRANDOMFOREST_H__
32 #define _MYRANDOMFOREST_H__
33 
34 #include <shogun/lib/config.h>
35 #include <shogun/machine/BaggingMachine.h>
36 
37 #include <vector>
38 
39 namespace shogun
40 {
41 
48 class CMyRandomForest : public CBaggingMachine
49 {
50 public:
53 
55  virtual ~CMyRandomForest();
56 
61  virtual const char* get_name() const { return "RandomForest"; }
62 
67  void set_weights(SGVector<float64_t> weights);
68 
73  SGVector<float64_t> get_weights() const;
74 
79  void set_feature_types(SGVector<bool> ft);
80 
85  SGVector<bool> get_feature_types() const;
86 
91  virtual EProblemType get_machine_problem_type() const;
92 
97  void set_machine_problem_type(EProblemType mode);
98 
103  void set_num_random_features(int32_t rand_featsize);
104 
109  int32_t get_num_random_features() const;
110 
113  std::vector<double> feature_importances();
114 
117  void set_probabilities(CLabels* labels, CFeatures* data=NULL);
118 
119 protected:
120 
121  virtual bool train_machine(CFeatures* data=NULL);
127  virtual void set_machine_parameters(CMachine* m, SGVector<index_t> idx);
128 
129 private:
131  SGVector<float64_t> m_weights;
132 
134  SGMatrix<float64_t> m_sorted_transposed_feats;
135 
137  SGMatrix<index_t> m_sorted_indices;
138 
139 };
140 } /* namespace shogun */
141 #endif /* _RANDOMFOREST_H__ */
This class implements the Random Forests algorithm. In Random Forests algorithm, we train a number of...
SGVector< bool > get_feature_types() const
std::vector< double > feature_importances()
void set_probabilities(CLabels *labels, CFeatures *data=NULL)
virtual bool train_machine(CFeatures *data=NULL)
virtual void set_machine_parameters(CMachine *m, SGVector< index_t > idx)
int32_t get_num_random_features() const
SGVector< float64_t > m_weights
virtual EProblemType get_machine_problem_type() const
SGMatrix< float64_t > m_sorted_transposed_feats
void set_num_random_features(int32_t rand_featsize)
virtual const char * get_name() const
void set_feature_types(SGVector< bool > ft)
SGVector< float64_t > get_weights() const
void set_machine_problem_type(EProblemType mode)
SGMatrix< index_t > m_sorted_indices
void set_weights(SGVector< float64_t > weights)