mirror of
https://github.com/Relintai/pmlpp.git
synced 2024-12-22 15:06:47 +01:00
72 lines
1.2 KiB
C++
72 lines
1.2 KiB
C++
|
|
#ifndef MLPP_K_MEANS_H
|
|
#define MLPP_K_MEANS_H
|
|
|
|
//
|
|
// KMeans.hpp
|
|
//
|
|
// Created by Marc Melikyan on 10/2/20.
|
|
//
|
|
|
|
#include "core/math/math_defs.h"
|
|
|
|
#include "core/object/reference.h"
|
|
|
|
#include "../lin_alg/mlpp_matrix.h"
|
|
#include "../lin_alg/mlpp_vector.h"
|
|
|
|
class MLPPKMeans : public Reference {
|
|
GDCLASS(MLPPKMeans, Reference);
|
|
|
|
public:
|
|
enum MeanType {
|
|
MEAN_TYPE_CENTROID = 0,
|
|
MEAN_TYPE_KMEANSPP,
|
|
};
|
|
|
|
public:
|
|
Ref<MLPPMatrix> get_input_set();
|
|
void set_input_set(const Ref<MLPPMatrix> &val);
|
|
|
|
int get_k();
|
|
void set_k(const int val);
|
|
|
|
MeanType get_mean_type();
|
|
void set_mean_type(const MeanType val);
|
|
|
|
void initialize();
|
|
|
|
Ref<MLPPMatrix> model_set_test(const Ref<MLPPMatrix> &X);
|
|
Ref<MLPPVector> model_test(const Ref<MLPPVector> &x);
|
|
void train(int epoch_num, bool UI = false);
|
|
real_t score();
|
|
Ref<MLPPVector> silhouette_scores();
|
|
|
|
MLPPKMeans();
|
|
~MLPPKMeans();
|
|
|
|
protected:
|
|
void _evaluate();
|
|
void _compute_mu();
|
|
|
|
void _centroid_initialization();
|
|
void _kmeanspp_initialization();
|
|
real_t _cost();
|
|
|
|
static void _bind_methods();
|
|
|
|
Ref<MLPPMatrix> _input_set;
|
|
Ref<MLPPMatrix> _mu;
|
|
Ref<MLPPMatrix> _r;
|
|
|
|
real_t _accuracy_threshold;
|
|
int _k;
|
|
bool _initialized;
|
|
|
|
MeanType _mean_type;
|
|
};
|
|
|
|
VARIANT_ENUM_CAST(MLPPKMeans::MeanType);
|
|
|
|
#endif /* KMeans_hpp */
|